EP1548519A2 - Cartridge system with toner reload and method therefor - Google Patents

Cartridge system with toner reload and method therefor Download PDF

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Publication number
EP1548519A2
EP1548519A2 EP04300941A EP04300941A EP1548519A2 EP 1548519 A2 EP1548519 A2 EP 1548519A2 EP 04300941 A EP04300941 A EP 04300941A EP 04300941 A EP04300941 A EP 04300941A EP 1548519 A2 EP1548519 A2 EP 1548519A2
Authority
EP
European Patent Office
Prior art keywords
cartridge
refill
piston
toner
piston body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04300941A
Other languages
German (de)
French (fr)
Other versions
EP1548519A3 (en
Inventor
Paolo M. Moro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagemcom Documents SAS
Original Assignee
Sagem SA
Sagem Communications SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sagem SA, Sagem Communications SAS filed Critical Sagem SA
Priority to EP13171318.2A priority Critical patent/EP2662733A3/en
Publication of EP1548519A2 publication Critical patent/EP1548519A2/en
Publication of EP1548519A3 publication Critical patent/EP1548519A3/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0894—Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit, e.g. resealing of the unit before refilling with toner
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0886—Sealing of developer cartridges by mechanical means, e.g. shutter, plug
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0665—Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
    • G03G2215/067—Toner discharging opening covered by arcuate shutter
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0675—Generally cylindrical container shape having two ends

Definitions

  • This refill cartridge system offers a cartridge of toner which, when empty, can be recharged once only by means of a refill adapted to this cartridge.
  • the invention also relates to a method for implementing this system.
  • the invention finds applications in the field of printing.
  • it finds applications in the field of the field of printing by computer devices, such as printers, photocopiers or fax machines.
  • this toner is placed in a cartridge located inside the printing device.
  • Each toner cartridge is for a limited number of printed pages, for example 3000 or 5000 pages.
  • the cartridge is empty, two possibilities are available currently to the user of the device: either he replaces the empty cartridge by a new full cartridge, or it refills the cartridge with bottled toner.
  • the change of a cartridge has the disadvantage of presenting a cost relatively high. Indeed, an entire cartridge has a significantly higher cost important than bottled toner.
  • some users choose fill the cartridge with toner sold in bottle. In this case, for fill the cartridge, the user must open the cartridge, then open the toner bottle, and pour the toner directly into the cartridge.
  • the Toner is a fine powder that flies away easily, especially when it is transferred from one container to another container.
  • this fine powder is colorful. So it messes up the elements around the cartridge to fill as well as the hands and clothes of the user.
  • the fact to open the cap of the cartridge also causes dirt on the hands of the user and may, in addition, damage the plug. This technique is therefore not only messy, but in addition it is relatively long to implement.
  • this technique does not make it possible to control the duration of life of the cartridge components and, in particular, rollers of the cartridge that can become dirty, or wear out, and deteriorate the quality of printing, or even make the printing device unusable.
  • US-5 594 535 discloses a refillable toner cartridge using plastic bags. soft plastics containing toner. The plastic bag containing the toner is placed, upside down, in the cartridge and, when opening this bag, the toner flows into the cartridge. This cartridge can receive several stacked toner bags, that is, placed one above the other as the previous bag is empty. However, to open each of these bags, it is necessary to pull on a sealing tab (called seal, in Anglo-Saxon terms). Now, one side of this tongue is in direct contact with the toner. This tongue is covered with toner and may soil the user when the user removes it.
  • seal in Anglo-Saxon terms
  • tongues are relatively fragile and it is common for them to break when the user pulls on it to open the refill. The user is then forced to remove the refill from the cartridge, with all the disadvantages that this entails, especially if the recharge has been partly opened by the tongue.
  • US-A-5,907,747 describes another type of refill for toner cartridge.
  • This refill has a shape substantially identical to the shape of the cartridge and it fits into the receptacle of the cartridge. The lid of the cartridge then comes to rest on top of the refill to seal the whole. When the cartridge is closed, with the charging inside, the user has to pull a tab to open the refill.
  • This recharge therefore has the same disadvantages than those previously stated.
  • the invention proposes a single toner refill cartridge system having a cartridge full of toner and a refill to insert into the cartridge, so simple and clean, when the cartridge is empty.
  • the refill is cylindrical in shape, adapted to the shape of the cartridge. The recharge is inserted in the cartridge, from one side of the cartridge, after removal of a sealing plug, then it undergoes a rotation to the inside of the cartridge so that the toner it contains falls in the cartridge.
  • the refill cartridge system of the invention thus makes it possible to reload the toner cartridge cleanly, without the user being at any time in direct contact with the toner. It allows also to ensure complete recycling of the cartridge assembly and because when the refill has been introduced into the cartridge, it can not be removed from the cartridge. Also, when the refill is empty, the user returns the cartridge and refill assembly to the manufacturer who then, at its disposal, all "dirty" items requiring recycling.
  • This system also has the advantage of allowing the manufacturer to check the service life of the components and, in particular, their clogging by limiting the possible number of printed pages. In other words, if the manufacturer knows that the components have a life of 10000 pages it adapts the amount of toner in the cartridge and recharges it so the total number of pages does not exceed 10000.
  • This system also has the advantage of being less expensive for the user only two cartridges, for the same number of pages, with a good print guarantee;
  • the refill comprises a piston and a body of piston, the piston being rotatable relative to the piston body, around a longitudinal axis of rotation.
  • FIG. 1 shows an exploded view of the cartridge 1 and recharge 2 of the system according to the invention.
  • the cartridge 1 comprises a receptacle 10 intended to contain the toner used for printing.
  • This receptacle 10 is closed by a cover 11 of semi-cylindrical shape.
  • the opening face 12b is closed by a cover 14 which seals the toner to inside the cartridge, before using the refill.
  • This operculum 14 is a perforable film that can be made of a plastic material, like a very thin polycarbonate, or aluminum.
  • This operculum 14 is sealed in the opening face 12b of the cartridge 1 by any means of sealing known.
  • This operculum 14 is sufficiently thin to be able to be pierced by means of a point or a pin. It can also be thinned in some places to facilitate its drilling in these places. Indeed, this operculum is intended to be pierced by the refill 2 when introducing said refill in the cartridge 1.
  • Refill 2 has a cylindrical shape, adapted to the shape of the cartridge to be introduced.
  • This refill 2 comprises a piston 21 and a piston body 20, which can be made of the same material or else in two different materials.
  • the piston body 20 comprises a half-cylinder 22c which ends, at both ends, by circular rings 22a and 22b.
  • the body of piston 20 can be molded, in its entirety, in a plastic material.
  • This second flange is a pellet of circular shape, fixed on the half-cylinder 25 by any known fastening means or molded with half-cylinder 25.
  • this second flange comprises a tip, or pawn, preferably in the center of the collar, for perforating the cover 14 at the beginning of the insertion of the refill in the cartridge 1, by the opening face 12b.
  • the piston body 20 and the piston 21 have complementary shapes one from the other. More specifically, the half-cylinder 22c of the piston body and the half cylinder 25 of the piston are, in a closed position, placed opposite face so as to form, together, a closed cylinder. In a position open, the two half-cylinders are placed one above the other so to form an open cylinder over a large part of its length.
  • Half cylinders 22c of the piston body and the piston 25 may each have a circumference substantially equal to half of the closed cylinder they form when they are face to face.
  • These half-cylinders 22c and 25 can also each have a circumference greater than half the cylinder closed ; in this case, a part, on either side of each half-cylinder, overlaps part of the other half-cylinder.
  • the circumferences of the two Half cylinders may be different from each other or, conversely, substantially equal.
  • the toner is placed inside the cylinder formed by the piston body 20 and the piston 21.
  • the piston comprises, on the first flange 23, a rotation handle 24 which allows to undergo the piston 21, a rotation about a longitudinal axis of rotation.
  • the piston 21 therefore rotates relative to the piston body 20 which is fixed.
  • the flange 23 turns along the ring 22b driving the piston inside the body of piston.
  • the piston can thus be rotated by half a turn, that is to say from half of the circumference of the refill. He then comes to parallel to the piston body 20, inside said piston body, leaving a wide opening in the refill to allow the evacuation of the toner out of the refill, to the receptacle 10 of the cartridge.
  • the refill 2 has a closed position in which it contains the toner and an open position in which it is empty, the toner located in the receptacle 10 of the cartridge 1.
  • the closed position of the charging is shown in Figure 2, in a sectional view according to the arrows AA of Figure 1.
  • This figure 2 shows that, in its closed position, the half-cylinder 25 of the piston 21 and the half-cylinder 22c of the piston body 20 are placed face to face. The toner T is then trapped in the two half-cylinders.
  • FIG. 3B This open position of the refill is shown in FIG. 3B, according to a sectional view along the arrows AA of Figure 1. As shown in this Figure 3B, when the refill is in its open position, the toner may escape from the refill. It then falls into the receptacle of the cartridge.
  • FIG. 3A shows, in a sectional view, the refill of the invention when in an intermediate position, between the position closed and the open position.
  • the toner begins to escape from the recharge by the opening made between two half-cylinders.
  • a user having an empty toner cartridge can fill the cartridge in the following way: it presents the refill 2 in front of the opening face 12b of the cartridge 1 and introduces the refill into the cartridge.
  • a tip on the refill pierces the operculum 14 which tears and is distributed all around recharge.
  • the user can then push the recharge until the flange 23 is in the opening face 12b.
  • the user turns the knob 24 to move the recharge of its closed position in its open position.
  • a slot 15 can be made in the opening face of the cartridge, intended to receive a rod 26 made on the body of piston.
  • the piston body 20 is not totally cylindrical; it comprises at least one rod 26, or bar lateral, made of the same material as the entire piston body, and protruding from said piston body.
  • This set of slit 15 and rod 26 forms a guiding device which allows, on the one hand, to avoid any risk of incorrect positioning of the refill in the cartridge and, on the other hand, to guide the refill all along the cartridge.
  • operculum 14 is not necessarily present on the opening face 12b of the cartridge.
  • the cartridge of the system of the invention comprises a plug closing the receptacle and sealing the toner in the cartridge. if there is no seal, when the user wants to put the refill, he removes the plug and it directly enters the refill into the cartridge. As the cartridge is empty, the user has little risk of getting dirty. The cover brings the same advantage to ensure perfect cleanliness the user is never in contact with the toner.
  • an adhesive tape may be placed in a join of the two half-cylinders 25 and 22c. So, this tape prevents accidental rotation of the piston in the piston body. This tape must then be torn when introduced into the cartridge, to allow the rotation of the piston when the refill is in the cartridge.
  • the cartridge comprises, on one of the walls of the receptacle, a pin that ensures the tearing of the adhesive tape, all along recharge, at the time of the introduction of the refill in the cartridge.
  • FIGS. 4A and 4B show the front part of the system cartridge and refill of the invention, when the refill is introduced in the cartridge.
  • These figures show the collar 23 of the refill introduced into a device for holding the cartridge.
  • This device retaining comprises clips 30 made on the opening face 12b of the cartridge. These clips can be fixed or overmolded on the contour of the opening face 12b of the cartridge. These retaining clips form clamps which are located opposite notches 31 made in the collar 23 of the recharge. The clips 30 and the notches 31 are made to what they are facing each other when charging is in closed position, as shown in Figure 4A.
  • the retaining clips are also used to make a device non-return device shown in FIG. 5.
  • This non-return device or anti-disassembly, is intended to prevent the user from turning the joystick 24 rotation in the opposite direction (opposite direction as shown by the arrows in Figure 5), once the refill has been opened.
  • This non-return device comprises at least one pawl 32 made on the flange 23 of the refill.
  • This pawl 32 is a projection of square or rectangular shape, having an increasing thickness. Specifically, the surface of the protrusion form a rising slope, with respect to the surface of the flange 23, ending with a right descending front.
  • the pawl 32 is inserted under one of the retaining clips by its less thick side then it is pushed under the clip until, finally, it exceeds the clip. The clip is then next to the front descending right of the ratchet. So, if the user wants to turn the joystick in in the opposite direction, the right front of the pawl 32 abuts against the clip 30, preventing any rotation.
  • Figures 6A and 6B show a one-way rotation device of the system of the invention.
  • This device consists of a pawn 33 made to the inside of the piston body 20, for example inside the ring 22b, and in a groove 34 made outside the piston 21.
  • the pin 33 fixed on the piston body or molded with the piston body.
  • This pawn is intended for be introduced into the groove 34 of the piston.
  • the throat 34 of the piston is made at least part of the circumference of the piston, corresponding to a half rotation turn of the joystick 24. Initially, when the recharge is in the closed position, the pin 33 is at one end of the groove 34. When the piston rotates in the piston body, the pin 33 moves, in the groove 34, in the direction of rotation allowed.
  • the pin 33 is in stop against the edge of the groove 34, which prevents any rotation in this reverse.
  • the throat being performed on only half of the circumference of the refill (which corresponds to a half turn of the handle), when the pawn reaches the other end of the throat, it stops on the edge of the throat.
  • the displacement of the piston is therefore limited in this sense also, so that the piston can not rotate more than 180 ° in the piston body. It is therefore impossible to rotate the piston beyond the opening position of the refill.
  • the introduction of the refill in the cartridge is very simple. Just remove the cap from the cartridge and introduce the refill in the cartridge by piercing the operculum, if it exists, thanks to a adapted tip attached to the refill. This tip does not need to be very sharp and is therefore not dangerous for the user.
  • the recharge is then inserted into the cartridge until the first flange of the recharge is in the center of the opening face of the cartridge. Setting in place of the refill in the cartridge is very easy since it does not requires only two movements of the user to install it.
  • this implementation is secured by various devices, know guiding, locking, anti-return and rotation devices in one direction, which prevents any positioning or Incorrect rotations of the refill in the cartridge.

Abstract

The system has a cartridge (1) with a container (10) closed by a cover (11) and a cylindrical refill (2) containing toner. The cartridge has a lateral side (12b) with a circular opening. The refill is inserted into the container of the cartridge through the circular opening of the cartridge. The refill has a piston (21) movable in rotation with respect to a piston body (20) around a longitudinal axis of rotation. An independent claim is also included for a method for implementing a cartridge system.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne un système de cartouche à recharge de toner unique, destiné à un dispositif d'impression du type imprimante ou télécopieur. Ce système de cartouche à recharge propose une cartouche de toner qui, lorsqu'elle est vide, peut être rechargée une unique fois au moyen d'une recharge adaptée à cette cartouche. L'invention concerne aussi un procédé pour mettre en oeuvre ce système.A toner refill cartridge system unique, intended for a printing device of the printer or fax. This refill cartridge system offers a cartridge of toner which, when empty, can be recharged once only by means of a refill adapted to this cartridge. The invention also relates to a method for implementing this system.

D'une façon générale, l'invention trouve des applications dans le domaine de l'impression. Elle trouve, en particulier, des applications dans le domaine de l'impression par des dispositifs informatiques, tels que des imprimantes, des photocopieurs ou des télécopieurs.In general, the invention finds applications in the field of printing. In particular, it finds applications in the field of the field of printing by computer devices, such as printers, photocopiers or fax machines.

ARRIERE PLAN TECHNOLOGIQUE DE L'INVENTIONBACKGROUND OF THE INVENTION

Actuellement, la plupart des dispositifs d'impression de type informatique utilisent une encre sèche, colorée ou noire, réduite en fines particules et contenant une résine sensible à la chaleur, qui se fixe par chauffage sur le support d'impression utilisé, par exemple, du papier. Cette encre est appelée généralement toner.Currently, most type printing devices computers use dry ink, colored or black, reduced to fines particles and containing a heat-sensitive resin, which attaches by heating on the print medium used, for example, paper. This ink is generally called toner.

Pour une utilisation efficace, ce toner est placé dans une cartouche située à l'intérieur de l'appareil d'impression. Chaque cartouche de toner est prévue pour un nombre limité de pages imprimées, par exemple 3000 ou 5000 pages. Lorsque la cartouche est vide, deux possibilités s'offrent actuellement à l'utilisateur de l'appareil : soit il remplace la cartouche vide par une nouvelle cartouche pleine, soit il remplit à nouveau la cartouche avec du toner en bouteille.For effective use, this toner is placed in a cartridge located inside the printing device. Each toner cartridge is for a limited number of printed pages, for example 3000 or 5000 pages. When the cartridge is empty, two possibilities are available currently to the user of the device: either he replaces the empty cartridge by a new full cartridge, or it refills the cartridge with bottled toner.

Le changement d'une cartouche a l'inconvénient de présenter un coût relativement élevé. En effet, une cartouche entière a un coût nettement plus important que du toner en bouteille. Aussi, certains utilisateurs choisissent de remplir la cartouche avec du toner vendu en bouteille. Dans ce cas, pour remplir la cartouche, l'utilisateur doit ouvrir la cartouche, puis ouvrir la bouteille de toner, et verser directement le toner dans la cartouche. Or, le toner est une fine poudre qui s'envole facilement, en particulier lorsqu'elle est transvasée d'un récipient vers un autre récipient. De plus, cette fine poudre est colorée. Elle salit donc les éléments situés autour de la cartouche à remplir ainsi que les mains et les vêtements de l'utilisateur. En outre, le fait d'ouvrir le bouchon de la cartouche entraíne également des salissures sur les mains de l'utilisateur et peut, en plus, détériorer le bouchon. Cette technique est donc, non seulement salissante, mais en plus elle est relativement longue à mettre en oeuvre.The change of a cartridge has the disadvantage of presenting a cost relatively high. Indeed, an entire cartridge has a significantly higher cost important than bottled toner. Also, some users choose fill the cartridge with toner sold in bottle. In this case, for fill the cartridge, the user must open the cartridge, then open the toner bottle, and pour the toner directly into the cartridge. Now, the Toner is a fine powder that flies away easily, especially when it is transferred from one container to another container. In addition, this fine powder is colorful. So it messes up the elements around the cartridge to fill as well as the hands and clothes of the user. In addition, the fact to open the cap of the cartridge also causes dirt on the hands of the user and may, in addition, damage the plug. This technique is therefore not only messy, but in addition it is relatively long to implement.

Par ailleurs, cette technique ne permet pas de contrôler la durée de vie des composants de la cartouche et, en particulier, des rouleaux de la cartouche qui peuvent s'encrasser, ou s'user, et détériorer la qualité de l'impression, voire rendre le dispositif d'impression inutilisable.Moreover, this technique does not make it possible to control the duration of life of the cartridge components and, in particular, rollers of the cartridge that can become dirty, or wear out, and deteriorate the quality of printing, or even make the printing device unusable.

Pour résoudre ces problèmes, il existe des recharges de toner destinées à être placées dans la cartouche de toner vide. Le document US-5 594 535 décrit une cartouche de toner rechargeable au moyen de sacs en plastique souples contenant du toner. Le sac en plastique contenant le toner est placé, tête en bas, dans la cartouche et, lors de l'ouverture de ce sac, le toner s'écoule dans la cartouche. Cette cartouche peut recevoir plusieurs sacs de toner superposés, c'est-à-dire placés les uns au-dessus des autres au fur et à mesure que le sac précédent est vide. Cependant, pour ouvrir chacun de ces sacs, il est nécessaire de tirer sur une languette d'étanchéité (appelée seal, en termes anglo-saxons). Or, une face de cette languette est en contact direct avec le toner. Cette languette est donc couverte de toner et peut salir l'utilisateur au moment où celui-ci la retire. De plus, de telles languettes sont relativement fragiles et il est fréquent qu'elles se cassent au moment où l'utilisateur tire dessus pour ouvrir la recharge. L'utilisateur est alors obligé de retirer la recharge de la cartouche, avec tous les inconvénients que cela entraíne, en particulier si la recharge a été en partie ouverte par la languette.To solve these problems, there are toner refills to be placed in the empty toner cartridge. US-5 594 535 discloses a refillable toner cartridge using plastic bags. soft plastics containing toner. The plastic bag containing the toner is placed, upside down, in the cartridge and, when opening this bag, the toner flows into the cartridge. This cartridge can receive several stacked toner bags, that is, placed one above the other as the previous bag is empty. However, to open each of these bags, it is necessary to pull on a sealing tab (called seal, in Anglo-Saxon terms). Now, one side of this tongue is in direct contact with the toner. This tongue is covered with toner and may soil the user when the user removes it. In addition, such tongues are relatively fragile and it is common for them to break when the user pulls on it to open the refill. The user is then forced to remove the refill from the cartridge, with all the disadvantages that this entails, especially if the recharge has been partly opened by the tongue.

Le document US-A-5 907 747 décrit un autre type de recharge pour cartouche de toner. Cette recharge a une forme sensiblement identique à la forme de la cartouche et elle vient s'insérer dans le réceptacle de la cartouche. Le couvercle de la cartouche vient ensuite se poser au-dessus de la recharge afin de sceller l'ensemble. Lorsque la cartouche est refermée, avec la recharge à l'intérieur, l'utilisateur doit tirer sur une languette pour ouvrir la recharge. Cette recharge présente donc les mêmes inconvénients que ceux énoncés précédemment.US-A-5,907,747 describes another type of refill for toner cartridge. This refill has a shape substantially identical to the shape of the cartridge and it fits into the receptacle of the cartridge. The lid of the cartridge then comes to rest on top of the refill to seal the whole. When the cartridge is closed, with the charging inside, the user has to pull a tab to open the refill. This recharge therefore has the same disadvantages than those previously stated.

Par ailleurs, lorsque l'utilisateur a ouvert la recharge, il se retrouve alors avec une languette couverte de toner, dont il ne sait que faire. Généralement, l'utilisateur met alors cette languette dans une poubelle. Or, en France et dans de nombreux pays, la législation impose, aux fabricants de cartouches de toner et de recharges de toner, de récupérer les emballages sales, c'est-à-dire comportant du toner, afin de les recycler. En conséquence, les fabricants de cartouches et de recharges de toner demandent aux utilisateurs de renvoyer la cartouche et/ou la recharge une fois que celle-ci a été utilisée. Cependant, si la plupart des utilisateurs renvoient généralement les éléments principaux, ils ne renvoient pas la languette couverte de toner pour la simple raison qu'ils seraient obligés de stocker la languette sale tant que la cartouche ou la recharge n'est pas vide.Moreover, when the user has opened the recharge, he finds himself then with a tongue covered with toner, which he does not know what to do. Generally, the user then puts this tab in a bin. Gold, In France and in many countries, legislation imposes on manufacturers of toner cartridges and toner refills, to recover the dirty packages, that is to say containing toner, for recycling. In As a result, the manufacturers of toner cartridges and refills ask users to return the cartridge and / or the recharge a once it has been used. However, if most users usually return the main elements, they do not return the tongue covered with toner for the simple reason that they would be forced to store the dirty tab as long as the cartridge or refill is not empty.

DESCRIPTION GENERALE DE L'INVENTIONGENERAL DESCRIPTION OF THE INVENTION

L'invention a justement pour but de remédier aux inconvénients des techniques exposés précédemment. A cette fin, l'invention propose un système de cartouche à recharge de toner unique comportant une cartouche pleine de toner et une recharge à insérer dans la cartouche, de manière simple et propre, lorsque la cartouche est vide. Selon l'invention la recharge est de forme cylindrique, adaptée à la forme de la cartouche. La recharge est insérée dans la cartouche, par un côté latéral de la cartouche, après enlèvement d'un bouchon d'étanchéité, puis elle subit une rotation à l'intérieur de la cartouche de manière à ce que le toner qu'elle contient tombe dans la cartouche.The purpose of the invention is precisely to remedy the drawbacks of techniques previously discussed. For this purpose, the invention proposes a single toner refill cartridge system having a cartridge full of toner and a refill to insert into the cartridge, so simple and clean, when the cartridge is empty. According to the invention the refill is cylindrical in shape, adapted to the shape of the cartridge. The recharge is inserted in the cartridge, from one side of the cartridge, after removal of a sealing plug, then it undergoes a rotation to the inside of the cartridge so that the toner it contains falls in the cartridge.

Le système de cartouche à recharge de l'invention permet ainsi de recharger la cartouche de toner de façon propre, sans que l'utilisateur ne soit à un quelconque moment en contact direct avec le toner. Il permet également d'assurer un recyclage complet de l'ensemble cartouche et recharge puisque, lorsque la recharge a été introduite dans la cartouche, elle ne peut plus être retirée de la cartouche. Aussi, lorsque la recharge est vide, l'utilisateur renvoie l'ensemble cartouche et recharge au fabricant qui a alors, à sa disposition, tous les éléments «sales » nécessitant un recyclage.The refill cartridge system of the invention thus makes it possible to reload the toner cartridge cleanly, without the user being at any time in direct contact with the toner. It allows also to ensure complete recycling of the cartridge assembly and because when the refill has been introduced into the cartridge, it can not be removed from the cartridge. Also, when the refill is empty, the user returns the cartridge and refill assembly to the manufacturer who then, at its disposal, all "dirty" items requiring recycling.

Ce système présente aussi l'avantage de permettre au fabricant de contrôler la durée de vie des composants et, notamment, leur encrassement en limitant le nombre possible de pages imprimées. En d'autres termes, si le fabricant sait que les composants ont une durée de vie de 10000 pages, il adapte la quantité de toner dans la cartouche et la recharge de façon à ce que le nombre total de pages ne dépasse pas 10000.This system also has the advantage of allowing the manufacturer to check the service life of the components and, in particular, their clogging by limiting the possible number of printed pages. In other words, if the manufacturer knows that the components have a life of 10000 pages it adapts the amount of toner in the cartridge and recharges it so the total number of pages does not exceed 10000.

Ce système a, en outre, l'avantage d'être moins coûteux pour l'utilisateur que deux cartouches, pour un nombre de pages identique, avec une bonne garantie d'impression ;This system also has the advantage of being less expensive for the user only two cartridges, for the same number of pages, with a good print guarantee;

De façon plus précise, l'invention concerne un système de cartouche à recharge de toner comportant :

  • une cartouche comprenant un réceptacle fermé par un couvercle, et
  • une recharge contenant du toner, apte à être insérée dans le réceptacle de la cartouche,
   caractérisé en ce que la cartouche comporte une première et une seconde faces latérales, l'une de ces faces comprenant une ouverture circulaire et en ce que la recharge est cylindrique et apte à être introduite dans la cartouche par l'ouverture circulaire de la cartouche.More specifically, the invention relates to a toner refill cartridge system comprising:
  • a cartridge comprising a receptacle closed by a lid, and
  • a refill containing toner, adapted to be inserted in the receptacle of the cartridge,
characterized in that the cartridge has a first and a second side face, one of these faces comprising a circular opening and in that the refill is cylindrical and adapted to be introduced into the cartridge through the circular opening of the cartridge.

Avantageusement, la recharge comporte un piston et un corps de piston, le piston étant mobile en rotation par rapport au corps de piston, autour d'un axe de rotation longitudinal.Advantageously, the refill comprises a piston and a body of piston, the piston being rotatable relative to the piston body, around a longitudinal axis of rotation.

L'invention concerne aussi un procédé de mise en oeuvre de ce système. Ce procédé comporte les opérations suivantes :

  • enlèvement d'un bouchon de la cartouche obturant la face d'ouverture de ladite cartouche,
  • insertion, par la face d'ouverture, de la recharge dans la cartouche jusqu'à ce que la première collerette de la recharge soit dans la face d'ouverture de la cartouche,
  • rotation d'un demi tour de la première collerette pour faire passer la recharge de la position fermée à la position ouverte.
The invention also relates to a method of implementing this system. This process comprises the following operations:
  • removing a cap from the cartridge sealing the opening face of said cartridge,
  • insertion, by the opening face, of the refill in the cartridge until the first collar of the refill is in the opening face of the cartridge,
  • rotating half a turn of the first flange to move the refill from the closed position to the open position.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

  • La figure 1 représente une vue éclatée, en perspective, d'une cartouche et d'une recharge selon l'invention.FIG. 1 represents an exploded view, in perspective, of a cartridge and a refill according to the invention.
  • La figure 2 représente une vue en coupe de la recharge du système de l'invention, lorsqu'elle est en position fermée.Figure 2 shows a sectional view of the system recharge of the invention, when in the closed position.
  • Les figures 3A et 3B représentent une vue en coupe de la recharge de l'invention, lorsqu'elle est, respectivement, en position intermédiaire et en position ouverte.Figures 3A and 3B show a sectional view of the recharge of the invention, when it is respectively in the intermediate position and in open position.
  • Les figures 4A et 4B représentent les étapes de verrouillage de la recharge introduite dans la cartouche.Figures 4A and 4B show the locking steps of the recharge introduced into the cartridge.
  • La figure 5 représente un dispositif anti-retour sur la recharge du système de l'invention.FIG. 5 represents a non-return device on the charging of the system of the invention.
  • Les figures 6A et 6B représentent le dispositif de rotation à sens unique, respectivement, sur le corps de piston et sur le piston formant la recharge de l'invention.Figures 6A and 6B show the one-way rotation device unique, respectively, on the piston body and on the piston forming the recharge of the invention.

    • DESCRIPTION DE FORMES D'EXECUTION PREFEREES DE L'INVENTIONDESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION

    L'invention concerne un système de cartouche à recharge de toner unique. Sur la figure 1, on a représenté une vue éclatée de la cartouche 1 et de la recharge 2 du système selon l'invention.A toner refill cartridge system unique. FIG. 1 shows an exploded view of the cartridge 1 and recharge 2 of the system according to the invention.

    La cartouche 1 comporte un réceptacle 10 destiné à contenir le toner utilisé pour l'impression. Ce réceptacle 10 est fermé par un couvercle 11 de forme semi-cylindrique.The cartridge 1 comprises a receptacle 10 intended to contain the toner used for printing. This receptacle 10 is closed by a cover 11 of semi-cylindrical shape.

    La cartouche 1 comporte deux faces 12a et 12b :

    • la face 12a, non visible sur la figure 1, est constituée en partie par le réceptacle 10 et en partie par le couvercle 11, et
    • la face 12b constitue la face d'ouverture de la cartouche, par laquelle la recharge est introduite dans la cartouche. Cette face d'ouverture 12b est circulaire.
    The cartridge 1 has two faces 12a and 12b:
    • the face 12a, not visible in Figure 1, is formed in part by the receptacle 10 and in part by the cover 11, and
    • the face 12b is the opening face of the cartridge, through which the refill is introduced into the cartridge. This opening face 12b is circular.

    Dans le mode de réalisation préféré de l'invention, la face d'ouverture 12b est fermée par un opercule 14 qui assure l'étanchéité du toner à l'intérieur de la cartouche, avant utilisation de la recharge. Cet opercule 14 est un film perforable qui peut être réalisé dans une matière plastique, comme un polycarbonate très fin, ou bien en aluminium. Cet opercule 14 est scellé dans la face d'ouverture 12b de la cartouche 1 par tout moyen de scellement connu. Cet opercule 14 est suffisamment fin pour pouvoir être percé au moyen d'une pointe ou d'un ergot. Il peut aussi être aminci en certains endroits afin de faciliter son percement à ces endroits. En effet, cet opercule est destiné à être percé par la recharge 2 lors de l'introduction de ladite recharge dans la cartouche 1. In the preferred embodiment of the invention, the opening face 12b is closed by a cover 14 which seals the toner to inside the cartridge, before using the refill. This operculum 14 is a perforable film that can be made of a plastic material, like a very thin polycarbonate, or aluminum. This operculum 14 is sealed in the opening face 12b of the cartridge 1 by any means of sealing known. This operculum 14 is sufficiently thin to be able to be pierced by means of a point or a pin. It can also be thinned in some places to facilitate its drilling in these places. Indeed, this operculum is intended to be pierced by the refill 2 when introducing said refill in the cartridge 1.

    La recharge 2 a une forme cylindrique, adaptée à la forme de la cartouche pour y être introduite. Cette recharge 2 comporte un piston 21 et un corps de piston 20, pouvant être réalisés dans un même matériau ou bien dans deux matériaux différents.Refill 2 has a cylindrical shape, adapted to the shape of the cartridge to be introduced. This refill 2 comprises a piston 21 and a piston body 20, which can be made of the same material or else in two different materials.

    Le corps de piston 20 comporte un demi-cylindre 22c qui se termine, à ses deux extrémités, par des bagues circulaires 22a et 22b. Le corps de piston 20 peut être moulé, dans son intégralité, dans un matériau plastique.The piston body 20 comprises a half-cylinder 22c which ends, at both ends, by circular rings 22a and 22b. The body of piston 20 can be molded, in its entirety, in a plastic material.

    Le piston 21 comporte un demi-cylindre 25 terminé de part et d'autre par des collerettes :

    • une première collerette 23, décrite en détail ultérieurement, et
    • une seconde collerette, non visible sur la figure 1, située à l'arrière de la recharge.
    The piston 21 comprises a half-cylinder 25 terminated on either side by flanges:
    • a first flange 23, described in detail later, and
    • a second collar, not visible in Figure 1, located at the rear of the refill.

    Cette seconde collerette est une pastille de forme circulaire, fixée sur le demi-cylindre 25 par tous moyens de fixation connus ou bien moulée avec le demi-cylindre 25. De préférence, cette seconde collerette comporte une pointe, ou pion, de préférence au centre de la collerette, destiné à perforer l'opercule 14 au début de l'insertion de la recharge dans la cartouche 1, par la face d'ouverture 12b.This second flange is a pellet of circular shape, fixed on the half-cylinder 25 by any known fastening means or molded with half-cylinder 25. Preferably, this second flange comprises a tip, or pawn, preferably in the center of the collar, for perforating the cover 14 at the beginning of the insertion of the refill in the cartridge 1, by the opening face 12b.

    Le corps de piston 20 et le piston 21 ont des formes complémentaires l'une de l'autre. Plus précisément, le demi-cylindre 22c du corps de piston et le demi-cylindre 25 du piston sont, dans une position fermée, placés face à face de façon à former, ensemble, un cylindre fermé. Dans une position ouverte, les deux demi-cylindres sont placés l'un au-dessus l'autre de façon à former un cylindre ouvert sur une grande partie de sa longueur. Les demi-cylindres 22c du corps de piston et 25 du piston peuvent avoir chacun une circonférence sensiblement égale à la moitié du cylindre fermé qu'elles forment lorsqu'elles sont face à face. Ces demi-cylindres 22c et 25 peuvent aussi avoir chacun une circonférence supérieure à la moitié du cylindre fermé ; dans ce cas, une partie, de part et d'autre de chaque demi-cylindre, chevauche une partie de l'autre demi-cylindre. Les circonférences des deux demi-cylindres peuvent être différentes l'une de l'autre ou, au contraire, sensiblement égales.The piston body 20 and the piston 21 have complementary shapes one from the other. More specifically, the half-cylinder 22c of the piston body and the half cylinder 25 of the piston are, in a closed position, placed opposite face so as to form, together, a closed cylinder. In a position open, the two half-cylinders are placed one above the other so to form an open cylinder over a large part of its length. Half cylinders 22c of the piston body and the piston 25 may each have a circumference substantially equal to half of the closed cylinder they form when they are face to face. These half-cylinders 22c and 25 can also each have a circumference greater than half the cylinder closed ; in this case, a part, on either side of each half-cylinder, overlaps part of the other half-cylinder. The circumferences of the two Half cylinders may be different from each other or, conversely, substantially equal.

    Ces deux demi-cylindres, lorsqu'ils sont face à face pour former un cylindre fermé, contiennent le toner destiné à être déversé dans la cartouche. Si les deux demi-cylindres se chevauchent, alors l'ouverture de la recharge est moindre que si chaque demi-cylindre a une circonférence de la moitié de la circonférence du cylindre fermé qu'ils forment ensemble. Mais, dans ce cas, le chevauchement des deux demi-cylindres assure une étanchéité du toner dans la recharge.These two half-cylinders, when facing each other to form a closed cylinder, contain the toner to be poured into the cartridge. If the two half-cylinders overlap, then the opening of the refill is less than if each half-cylinder has a circumference of half of the circumference of the closed cylinder that they form together. But in this case, the overlap of the two half-cylinders ensures a tightness of the toner in the refill.

    Initialement le toner est placé à l'intérieur du cylindre formé par le corps de piston 20 et le piston 21. Le piston comporte, sur la première collerette 23, une manette de rotation 24 qui permet de faire subir, au piston 21, une rotation autour d'un axe de rotation longitudinal. Le piston 21 effectue donc une rotation, par rapport au corps de piston 20 qui est fixe. En d'autres termes, lorsqu'on agit sur la manette de rotation 24, la collerette 23 tourne le long de la bague 22b entraínant le piston à l'intérieur du corps de piston. Le piston peut ainsi subir une rotation d'un demi tour, c'est-à-dire de la moitié de la circonférence de la recharge. Il vient alors se placer parallèlement au corps de piston 20, à l'intérieur dudit corps de piston, laissant une large ouverture dans la recharge pour permettre l'évacuation du toner hors de la recharge, vers le réceptacle 10 de la cartouche.Initially the toner is placed inside the cylinder formed by the piston body 20 and the piston 21. The piston comprises, on the first flange 23, a rotation handle 24 which allows to undergo the piston 21, a rotation about a longitudinal axis of rotation. The piston 21 therefore rotates relative to the piston body 20 which is fixed. In other words, when acting on the rotary knob 24, the flange 23 turns along the ring 22b driving the piston inside the body of piston. The piston can thus be rotated by half a turn, that is to say from half of the circumference of the refill. He then comes to parallel to the piston body 20, inside said piston body, leaving a wide opening in the refill to allow the evacuation of the toner out of the refill, to the receptacle 10 of the cartridge.

    Autrement dit, la recharge 2 a une position fermée dans laquelle elle contient le toner et une position ouverte dans laquelle elle est vide, le toner se trouvant dans le réceptacle 10 de la cartouche 1. La position fermée de la recharge est représentée sur la figure 2, selon une vue en coupe suivant les flèches AA de la figure 1. Cette figure 2 montre que, dans sa position fermée, le demi-cylindre 25 du piston 21 et le demi-cylindre 22c du corps de piston 20 sont placés face à face. Le toner T est alors prisonnier des deux demi-cylindres.In other words, the refill 2 has a closed position in which it contains the toner and an open position in which it is empty, the toner located in the receptacle 10 of the cartridge 1. The closed position of the charging is shown in Figure 2, in a sectional view according to the arrows AA of Figure 1. This figure 2 shows that, in its closed position, the half-cylinder 25 of the piston 21 and the half-cylinder 22c of the piston body 20 are placed face to face. The toner T is then trapped in the two half-cylinders.

    Dans la position ouverte, le demi-cylindre 25 du piston et le demi-cylindre 22c du corps de piston sont placés l'un au-dessus de l'autre. Cette position ouverte de la recharge est représentée sur la figure 3B, selon une vue en coupe suivant les flèches AA de la figure 1. Comme le montre cette figure 3B, lorsque la recharge est dans sa position ouverte, le toner peut s'échapper de la recharge. Il tombe alors dans le réceptacle de la cartouche.In the open position, the half-cylinder 25 of the piston and the half-cylinder 22c of the piston body are placed one above the other. This open position of the refill is shown in FIG. 3B, according to a sectional view along the arrows AA of Figure 1. As shown in this Figure 3B, when the refill is in its open position, the toner may escape from the refill. It then falls into the receptacle of the cartridge.

    Sur la figure 3A, on a représenté, selon une vue en coupe, la recharge de l'invention lorsqu'elle est dans une position intermédiaire, entre la position fermée et la position ouverte. Dans cette position intermédiaire, le toner commence à s'échapper de la recharge par l'ouverture réalisée entre les deux demi-cylindres. On comprend que, comme le toner s'échappe régulièrement sur toute la longueur de la recharge, sa répartition dans le réceptacle de la cartouche est homogène. Il n'est donc pas nécessaire, pour l'utilisateur, de secouer la recharge avant de l'introduire dans la cartouche.FIG. 3A shows, in a sectional view, the refill of the invention when in an intermediate position, between the position closed and the open position. In this intermediate position, the toner begins to escape from the recharge by the opening made between two half-cylinders. We understand that, as the toner escapes regularly over the entire length of the refill, its distribution in the receptacle of the cartridge is homogeneous. It is therefore not necessary, for the user, shake the refill before inserting it into the cartridge.

    Ainsi, un utilisateur ayant une cartouche de toner vide peut remplir la cartouche de la manière suivante : il présente la recharge 2 en face de la face d'ouverture 12b de la cartouche 1 et introduit la recharge dans la cartouche. Lorsque la recharge traverse la face d'ouverture 12b, une pointe sur la recharge perce l'opercule 14 qui se déchire et se répartit tout autour de la recharge. L'utilisateur peut alors pousser la recharge jusqu'à ce que la collerette 23 soit dans la face d'ouverture 12b. Une fois, la recharge en place, l'utilisateur tourne la manette 24 afin de faire passer la recharge de sa position fermée à sa position ouverte.Thus, a user having an empty toner cartridge can fill the cartridge in the following way: it presents the refill 2 in front of the opening face 12b of the cartridge 1 and introduces the refill into the cartridge. When the refill passes through the opening face 12b, a tip on the refill pierces the operculum 14 which tears and is distributed all around recharge. The user can then push the recharge until the flange 23 is in the opening face 12b. Once, charging in place, the user turns the knob 24 to move the recharge of its closed position in its open position.

    Pour empêcher un positionnement incorrect de la recharge dans la cartouche, une fente 15 peut être réalisée dans la face d'ouverture de la cartouche, destinée à recevoir une baguette 26 réalisée sur le corps de piston. Dans ce mode de réalisation, le corps de piston 20 n'est pas totalement cylindrique ; il comporte au moins une baguette 26, ou barre latérale, réalisée dans le même matériau que l'ensemble du corps de piston, et faisant saillie audit corps de piston. Cet ensemble de fente 15 et de baguette 26 forme un dispositif de guidage qui permet, d'une part, d'éviter tout risque de positionnement incorrect de la recharge dans la cartouche et, d'autre part, de guider la recharge tout le long de la cartouche. Ce dispositif de guidage sert ainsi de détrompeur, empêchant l'utilisateur d'insérer la recharge dans une position où l'ouverture de la recharge ne se ferait pas en face au réceptacle de la cartouche.To prevent incorrect placement of the refill in the cartridge, a slot 15 can be made in the opening face of the cartridge, intended to receive a rod 26 made on the body of piston. In this embodiment, the piston body 20 is not totally cylindrical; it comprises at least one rod 26, or bar lateral, made of the same material as the entire piston body, and protruding from said piston body. This set of slit 15 and rod 26 forms a guiding device which allows, on the one hand, to avoid any risk of incorrect positioning of the refill in the cartridge and, on the other hand, to guide the refill all along the cartridge. These measures guide is thus used as a key, preventing the user from inserting the recharge in a position where the opening of the refill would not be facing the receptacle of the cartridge.

    Il est à noter, toutefois, que l'opercule 14 n'est pas nécessairement présent sur la face d'ouverture 12b de la cartouche. En effet, comme toute cartouche, la cartouche du système de l'invention comporte un bouchon fermant le réceptacle et assurant l'étanchéité du toner dans la cartouche. S'il n'y a pas d'opercule, lorsque l'utilisateur veut mettre la recharge, il retire le bouchon et il entre directement la recharge dans la cartouche. Comme la cartouche est vide, l'utilisateur a peu de risques de se salir. L'opercule apporte tout même l'avantage d'assurer une propreté parfaite puisque l'utilisateur n'est jamais en contact avec le toner.It should be noted, however, that operculum 14 is not necessarily present on the opening face 12b of the cartridge. Indeed, like any cartridge, the cartridge of the system of the invention comprises a plug closing the receptacle and sealing the toner in the cartridge. if there is no seal, when the user wants to put the refill, he removes the plug and it directly enters the refill into the cartridge. As the cartridge is empty, the user has little risk of getting dirty. The cover brings the same advantage to ensure perfect cleanliness the user is never in contact with the toner.

    Pour s'assurer que la recharge ne puisse s'ouvrir accidentellement avant d'être introduite dans la cartouche, un ruban adhésif peut être placé à une jointure des deux demi-cylindres 25 et 22c. Ainsi, ce ruban adhésif empêche une rotation accidentelle du piston dans le corps de piston. Ce ruban adhésif doit ensuite être déchiré lors de son introduction dans la cartouche, afin de permettre la rotation du piston lorsque la recharge est dans la cartouche. Pour cela, la cartouche comporte, sur une des parois du réceptacle, un ergot qui assure le déchirement du ruban adhésif, tout le long de la recharge, au moment de l'introduction de ladite recharge dans la cartouche.To make sure that the refill can not open accidentally before being introduced into the cartridge, an adhesive tape may be placed in a join of the two half-cylinders 25 and 22c. So, this tape prevents accidental rotation of the piston in the piston body. This tape must then be torn when introduced into the cartridge, to allow the rotation of the piston when the refill is in the cartridge. For this, the cartridge comprises, on one of the walls of the receptacle, a pin that ensures the tearing of the adhesive tape, all along recharge, at the time of the introduction of the refill in the cartridge.

    Sur les figures 4A et 4B, on a représenté la partie avant du système de cartouche et de recharge de l'invention, lorsque la recharge est introduite dans la cartouche. Ces figures montrent la collerette 23 de la recharge introduite dans un dispositif de maintien de la cartouche. Ce dispositif de maintien comporte des clips 30 réalisés sur la face d'ouverture 12b de la cartouche. Ces clips peuvent être fixés ou surmoulés sur le contour de la face d'ouverture 12b de la cartouche. Ces clips de maintien forment des pinces qui sont situées en regard d'encoches 31 réalisées dans la collerette 23 de la recharge. Les clips 30 et les encoches 31 sont réalisés de façon à ce qu'ils soient en face les uns des l'autres lorsque la recharge est en position fermée, comme montré sur la figure 4A. Lorsque la recharge s'ouvre, c'est-à-dire lorsque le piston subit une rotation, les clips de maintien 30 ne sont plus en face des encoches 31, mais face à la partie de la collerette 23, comme montré sur la figure 4B. Il est donc impossible, à un utilisateur qui tirerait sur la collerette 23 de faire sortir ladite collerette de ces clips 30. La recharge est donc verrouillée à l'intérieur de la cartouche.FIGS. 4A and 4B show the front part of the system cartridge and refill of the invention, when the refill is introduced in the cartridge. These figures show the collar 23 of the refill introduced into a device for holding the cartridge. This device retaining comprises clips 30 made on the opening face 12b of the cartridge. These clips can be fixed or overmolded on the contour of the opening face 12b of the cartridge. These retaining clips form clamps which are located opposite notches 31 made in the collar 23 of the recharge. The clips 30 and the notches 31 are made to what they are facing each other when charging is in closed position, as shown in Figure 4A. When recharging opens, that is to say when the piston is rotated, the retaining clips 30 are no longer in front of the notches 31, but facing the part of the flange 23, as shown in Figure 4B. It is impossible, therefore, user who would pull on the collar 23 to remove said flange of these 30. The refill is locked inside the cartridge.

    Par ailleurs, les clips de maintien servent aussi à réaliser un dispositif d'anti-retour représenté sur la figure 5. Ce dispositif d'anti-retour, ou antidémontage, a pour but d'empêcher l'utilisateur de tourner la manette de rotation 24 dans le sens inverse (sens inverse au sens montré par les flèches sur la figure 5), une fois que la recharge à été ouverte. Ce dispositif d'anti-retour comporte au moins un cliquet 32 réalisé sur la collerette 23 de la recharge. Ce cliquet 32 est une saillie de forme carrée ou rectangulaire, ayant une épaisseur croissante. Plus précisément, la surface de la saillie forme une pente montante, par rapport à la surface de la collerette 23, se terminant par un front descendant droit. Ainsi, lorsque la collerette 23 est entraínée en rotation, le cliquet 32 est introduit sous un des clips de maintien par son côté le moins épais puis il est poussé sous le clip jusqu'à ce que, finalement, il dépasse le clip. Le clip se trouve alors à côté du front descendant droit du cliquet. Ainsi, si l'utilisateur veut tourner la manette en sens inverse, le front droit du cliquet 32 vient en butée contre le clip 30, empêchant toute rotation.In addition, the retaining clips are also used to make a device non-return device shown in FIG. 5. This non-return device, or anti-disassembly, is intended to prevent the user from turning the joystick 24 rotation in the opposite direction (opposite direction as shown by the arrows in Figure 5), once the refill has been opened. This non-return device comprises at least one pawl 32 made on the flange 23 of the refill. This pawl 32 is a projection of square or rectangular shape, having an increasing thickness. Specifically, the surface of the protrusion form a rising slope, with respect to the surface of the flange 23, ending with a right descending front. So when the collar 23 is driven in rotation, the pawl 32 is inserted under one of the retaining clips by its less thick side then it is pushed under the clip until, finally, it exceeds the clip. The clip is then next to the front descending right of the ratchet. So, if the user wants to turn the joystick in in the opposite direction, the right front of the pawl 32 abuts against the clip 30, preventing any rotation.

    Les figures 6A et 6B montrent un dispositif de rotation à sens unique du système de l'invention. Ce dispositif consiste en un pion 33 réalisé à l'intérieur du corps de piston 20, par exemple à l'intérieur de la bague 22b, et en une gorge 34 réalisée en extérieur du piston 21. Le pion 33 fixé sur le corps de piston ou bien moulé avec le corps de piston. Ce pion est destiné à être introduit dans la gorge 34 du piston. La gorge 34 du piston est réalisée sur une partie au moins de la circonférence du piston, correspondant à un demi tour de rotation de la manette 24. Initialement, lorsque la recharge est en position fermée, le pion 33 se trouve à une extrémité de la gorge 34. Lorsque le piston tourne dans le corps de piston, le pion 33 se déplace, dans la gorge 34, dans le sens de rotation autorisé. Si l'utilisateur veut tourner la manette 24 dans le sens inverse du sens autorisé, alors le pion 33 est en butée contre le bord de la gorge 34, ce qui empêche toute rotation dans ce sens inverse. De même, la gorge étant réalisée sur uniquement la moitié de la circonférence de la recharge (ce qui correspond à un demi tour de la manette), lorsque le pion arrive à l'autre extrémité de la gorge, il bute sur le bord de la gorge. Le déplacement du piston est donc limité dans ce sens aussi, de sorte que le piston ne peut subir une rotation de plus de 180° dans le corps de piston. Il est donc impossible de faire tourner le piston au-delà de la position d'ouverture de la recharge.Figures 6A and 6B show a one-way rotation device of the system of the invention. This device consists of a pawn 33 made to the inside of the piston body 20, for example inside the ring 22b, and in a groove 34 made outside the piston 21. The pin 33 fixed on the piston body or molded with the piston body. This pawn is intended for be introduced into the groove 34 of the piston. The throat 34 of the piston is made at least part of the circumference of the piston, corresponding to a half rotation turn of the joystick 24. Initially, when the recharge is in the closed position, the pin 33 is at one end of the groove 34. When the piston rotates in the piston body, the pin 33 moves, in the groove 34, in the direction of rotation allowed. If the user wants to turn the lever 24 in the opposite direction of the authorized direction, then the pin 33 is in stop against the edge of the groove 34, which prevents any rotation in this reverse. Similarly, the throat being performed on only half of the circumference of the refill (which corresponds to a half turn of the handle), when the pawn reaches the other end of the throat, it stops on the edge of the throat. The displacement of the piston is therefore limited in this sense also, so that the piston can not rotate more than 180 ° in the piston body. It is therefore impossible to rotate the piston beyond the opening position of the refill.

    On comprend, à la lecture de ce qui précède, que la recharge, une fois introduite dans la cartouche, ne peut plus être retirée de la cartouche. Ainsi, lorsque la cartouche est vide pour la seconde fois, l'utilisateur est obligé de retirer toute la cartouche, recharge comprise ; Il envoie alors l'ensemble cartouche et recharge au fabricant pour recyclage.It is understood from reading the above that recharging, a once inserted in the cartridge, can not be removed from the cartridge. Thus, when the cartridge is empty for the second time, the user is obliged to remove the entire cartridge, refill included; He then sends the cartridge and refill assembly to the manufacturer for recycling.

    De plus, la mise en place de la recharge dans la cartouche est très simple. Il suffit d'enlever le bouchon de la cartouche et d'introduire la recharge dans la cartouche en perçant l'opercule, s'il existe, grâce à une pointe adaptée fixée sur la recharge. Cette pointe n'a pas besoin d'être très pointue et n'est donc pas dangereuse pour l'utilisateur. La recharge est alors enfoncée dans la cartouche jusqu'à ce que la première collerette de la recharge se trouve au centre de la face d'ouverture de la cartouche. La mise en place de la recharge dans la cartouche est très aisée puisqu'elle ne nécessite que deux mouvements de l'utilisateur pour l'installer.In addition, the introduction of the refill in the cartridge is very simple. Just remove the cap from the cartridge and introduce the refill in the cartridge by piercing the operculum, if it exists, thanks to a adapted tip attached to the refill. This tip does not need to be very sharp and is therefore not dangerous for the user. The recharge is then inserted into the cartridge until the first flange of the recharge is in the center of the opening face of the cartridge. Setting in place of the refill in the cartridge is very easy since it does not requires only two movements of the user to install it.

    De plus, cette mise en place est sécurisée par différents dispositifs, à savoir des dispositifs de guidage, de verrouillage, d'anti-retour et de rotation en sens unique, qui permettent d'empêcher tous positionnements ou rotations incorrects de la recharge dans la cartouche.In addition, this implementation is secured by various devices, know guiding, locking, anti-return and rotation devices in one direction, which prevents any positioning or Incorrect rotations of the refill in the cartridge.

    Claims (19)

    Système de cartouche à recharge de toner comportant : une cartouche (1) comprenant un réceptacle (10) fermé par un couvercle (11), et une recharge (2) contenant du toner, apte à être insérée dans le réceptacle de la cartouche,    caractérisé en ce que la cartouche comporte une première et une seconde faces latérales (12a, 12b), l'une de ces faces comprenant une ouverture circulaire (12b) et en ce que la recharge est cylindrique et apte à être introduite dans la cartouche par l'ouverture circulaire de la cartouche.A toner refill cartridge system comprising: a cartridge (1) comprising a receptacle (10) closed by a lid (11), and a refill (2) containing toner, adapted to be inserted into the receptacle of the cartridge, characterized in that the cartridge has first and second side faces (12a, 12b), one of these faces comprising a circular opening (12b) and that the refill is cylindrical and adapted to be introduced into the cartridge by the circular opening of the cartridge. Système selon la revendication 1, caractérisé en ce que la recharge comporte un piston (21) et un corps de piston (20), le piston étant mobile en rotation par rapport au corps de piston, autour d'un axe de rotation longitudinal.System according to claim 1, characterized in that the refill comprises a piston (21) and a piston body (20), the piston being rotatable relative to the piston body, about a longitudinal axis of rotation. Système selon la revendication 2, caractérisé en ce que le corps de piston est un demi cylindre (22c) terminé à chaque extrémité par une bague circulaire (22a, 22b).System according to claim 2, characterized in that the piston body is a half cylinder (22c) terminated at each end by a circular ring (22a, 22b). Système selon la revendication 3, caractérisé en ce que le piston est un demi cylindre (25), à l'intérieur du corps de piston, terminé à chaque extrémité par une première ou une seconde collerette (23).System according to claim 3, characterized in that the piston is a half cylinder (25), inside the piston body, terminated at each end by a first or a second flange (23). Système selon l'une quelconque des revendications 2 à 4, caractérisé en ce que la recharge a une position fermée dans laquelle le toner est contenu dans ladite recharge et une position ouverte dans laquelle la recharge est vide, le toner étant dans le réceptacle de la cartouche.System according to any one of claims 2 to 4, characterized in that the refill has a closed position in which the toner is contained in said refill and an open position in which the refill is empty, the toner being in the receptacle of the refill. cartridge. Système selon la revendication 5, caractérisé en ce que, dans la position fermée de la recharge, le demi cylindre du piston (25) et le demi cylindre du corps de piston (22c) sont placés face à face de manière à former un cylindre fermé.System according to claim 5, characterized in that , in the closed position of the refill, the half cylinder of the piston (25) and the half cylinder of the piston body (22c) are placed face to face so as to form a closed cylinder . Système selon la revendication 5 ou 6, caractérisé en ce que le demi cylindre du piston et le demi cylindre du corps de piston se chevauchent l'un l'autre de manière à former un cylindre ouvert.System according to claim 5 or 6, characterized in that the half cylinder of the piston and the half cylinder of the piston body overlap each other so as to form an open cylinder. Système selon l'une quelconque des revendications 4 à 7, caractérisé en ce que la première collerette du piston comporte une manette de rotation (24) assurant l'entraínement en rotation du piston par rapport au corps de piston.System according to any one of claims 4 to 7, characterized in that the first flange of the piston comprises a rotation handle (24) for rotating the piston relative to the piston body. Système selon l'une quelconque des revendications 4 à 8, caractérisé en ce que la cartouche comporte un opercule perforable (14) fixé sur la face d'ouverture cylindrique et la seconde collerette comporte une pointe de percement de l'opercule.System according to any one of claims 4 to 8, characterized in that the cartridge comprises a perforable lid (14) fixed on the cylindrical opening face and the second flange comprises a piercing tip of the lid. Système selon l'une quelconque des revendications 2 à 9, caractérisé en ce que la face d'ouverture de la cartouche comporte au moins une fente de guidage (15) et le corps de piston comporte au moins une baguette (26) s'insérant dans ladite fente de guidage.System according to any one of claims 2 to 9, characterized in that the opening face of the cartridge comprises at least one guide slot (15) and the piston body comprises at least one rod (26) inserting in said guide slot. Système selon l'une quelconque des revendications 2 à 10, caractérisé en ce qu'il comporte un dispositif de verrouillage (30, 31) de la recharge dans la cartouche.System according to any one of claims 2 to 10, characterized in that it comprises a device (30, 31) for locking the refill in the cartridge. Système selon la revendication 11, caractérisé en ce que le dispositif de verrouillage comporte au moins un clip de fixation (30) monté sur la face d'ouverture de la cartouche et au moins une encoche (31) réalisée dans la première collerette et située en regard du clip lorsque la recharge est en position fermée.System according to Claim 11, characterized in that the locking device comprises at least one fastening clip (30) mounted on the opening face of the cartridge and at least one notch (31) made in the first collar and located in look at the clip when the refill is in the closed position. Système selon l'une quelconque des revendications 2 à 12, caractérisé en ce que la recharge comporte au moins un ruban d'étanchéité fixé à une jointure entre le demi cylindre de piston et le demi cylindre de corps de piston et la cartouche comporte au moins un ergot de percement pour couper ledit ruban lors de l'insertion de la recharge dans la cartouche.System according to any one of claims 2 to 12, characterized in that the refill comprises at least one sealing strip attached to a joint between the piston half cylinder and the piston body half cylinder and the cartridge comprises at least a piercing pin for cutting said ribbon when inserting the refill into the cartridge. Système selon l'une quelconque des revendications 2 à 13, caractérisé en ce qu'il comporte un dispositif d'anti-retour (32, 30) du piston dans le corps de piston.System according to any one of Claims 2 to 13, characterized in that it comprises a non-return device (32, 30) for the piston in the piston body. Système selon la revendication 14, caractérisé en ce que le dispositif d'anti-retour comporte au moins un cliquet (32) réalisé sur la première collerette.System according to claim 14, characterized in that the non-return device comprises at least one pawl (32) formed on the first collar. Système selon l'une quelconque des revendications 2 à 15, caractérisé en ce qu'il comporte un dispositif de rotation à sens unique (33, 34).System according to any one of claims 2 to 15, characterized in that it comprises a one-way rotation device (33, 34). Système selon la revendication 16, caractérisé en ce que le dispositif de rotation à sens unique comporte un pion (33) fixé sur le corps du piston et introduit dans une gorge (34) réalisée sur le piston.System according to claim 16, characterized in that the one-way rotation device comprises a pin (33) fixed on the body of the piston and introduced into a groove (34) formed on the piston. Procédé de mise en oeuvre du système de cartouche à recharge de toner selon l'une quelconque des revendications 2 à 17, caractérisé en ce qu'il comporte les opérations suivantes : enlèvement d'un bouchon de la cartouche obturant la face d'ouverture de ladite cartouche, insertion, par la face d'ouverture, de la recharge dans la cartouche jusqu'à ce que la première collerette de la recharge soit dans la face d'ouverture de la cartouche, rotation d'un demi tour de la première collerette pour faire passer la recharge de la position fermée à la position ouverte. Method of operating the toner refill cartridge system according to one of Claims 2 to 17, characterized in that it comprises the following operations: removing a cap from the cartridge sealing the opening face of said cartridge, insertion, by the opening face, of the refill in the cartridge until the first collar of the refill is in the opening face of the cartridge, rotating half a turn of the first flange to move the refill from the closed position to the open position. Procédé selon la revendication 18, caractérisé en ce que la recharge est insérée dans la cartouche lorsque ladite cartouche est vide de tout toner.Method according to claim 18, characterized in that the refill is inserted into the cartridge when said cartridge is empty of any toner.
    EP04300941A 2003-12-23 2004-12-23 Cartridge system with toner reload and method therefor Withdrawn EP1548519A3 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    EP13171318.2A EP2662733A3 (en) 2003-12-23 2004-12-23 Toner refill cartridge system and implementing method thereof

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0351176 2003-12-23
    FR0351176A FR2864262B1 (en) 2003-12-23 2003-12-23 TONER RECHARGEABLE CARTRIDGE SYSTEM AND METHOD FOR IMPLEMENTING THE SAME

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    EP1548519A2 true EP1548519A2 (en) 2005-06-29
    EP1548519A3 EP1548519A3 (en) 2010-04-14

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    EP04300941A Withdrawn EP1548519A3 (en) 2003-12-23 2004-12-23 Cartridge system with toner reload and method therefor

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    FR (1) FR2864262B1 (en)

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    US11209754B2 (en) * 2018-08-30 2021-12-28 Hewlett-Packard Development Company, L.P. Structure for selectively locking toner inlet shutter of toner refill portion
    US11333995B2 (en) * 2018-04-27 2022-05-17 Hewlett-Packard Development Company, L.P. Supplying refill toner to mounted toner cartridge

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    CN110187622A (en) * 2019-06-11 2019-08-30 珠海市汇威打印机耗材有限公司 A kind of carbon starch cylinder plus component powder and carbon starch cylinder
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    Also Published As

    Publication number Publication date
    EP1548519A3 (en) 2010-04-14
    FR2864262B1 (en) 2006-03-24
    EP2662733A2 (en) 2013-11-13
    EP2662733A3 (en) 2014-02-19
    FR2864262A1 (en) 2005-06-24

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