EP1228858A1 - Method and apparatus for making bags with interlocking closure elements and bags so obtained - Google Patents
Method and apparatus for making bags with interlocking closure elements and bags so obtained Download PDFInfo
- Publication number
- EP1228858A1 EP1228858A1 EP02290210A EP02290210A EP1228858A1 EP 1228858 A1 EP1228858 A1 EP 1228858A1 EP 02290210 A EP02290210 A EP 02290210A EP 02290210 A EP02290210 A EP 02290210A EP 1228858 A1 EP1228858 A1 EP 1228858A1
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- Prior art keywords
- profiles
- closure profiles
- zones
- closure
- machine according
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/813—Applying closures
- B31B70/8131—Making bags having interengaging closure elements
- B31B70/8132—Applying the closure elements in the machine direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
Definitions
- the present invention relates to the field of sachets comprising additional closing profiles designed to allow a series successive openings / closings by a user.
- the present invention applies in particular to sachets, the closing profiles are ordered on opening and respectively on closing with a cursor.
- the present invention relates to bags made from a film on the one hand, and closure profiles on the other hand, routed separately in an assembly station at the level from which the closure profiles are fixed on the film.
- pre-weld sequentially on the profiles before routing them on the station assembly.
- This pre-weld is formed in the step of the bags and localized on an area intended to coincide with the transverse welds.
- Such a pre-welding also has the advantage of fixing the profiles complementary between them before fixing them on the film.
- Another technique consists in conveying not profiles of closing in the form of a continuous strip, but to route sections of profiles with the pitch of the sachets.
- the present invention now aims to provide new ways to eliminate the disadvantages of the technique earlier and thus offer higher performance than known prior means.
- the means of detection can detect a synchronization fault between profiles of closure and film and / or a lack of synchronization between profiles of closure and means for ensuring at least overlapping welds partially the closure profiles, for example means ensuring a transverse weld.
- the present invention also relates to a machine for setting using the above process and the sachets thus obtained.
- FIG. 1 Attaches on the one hand complementary closure profiles 10 and on the other hand, a film 110.
- Profiles 10 and film 110 come from sources or reserves separated, such as a roll illustrated under the reference 112 for the film 110.
- the closure profiles 10 are fixed to the film 110 at this station. assembly.
- the assembly station illustrated in the figure 1 corresponds to a so-called vertical FFS machine (FFS corresponding to the English expression “Form, Fill and Seal”).
- FFS vertical FFS machine
- Such a machine is well known to those skilled in the art and will not be therefore not described in detail below. It is intended for training, filling and closing of sachets.
- such a machine comprises generally a forming neck 100 which receives the film 110 as input shot coming from an unwinder 112, which provides the film 110 shaped into a tube, a filling chute 120 which opens into this forming neck 100 and therefore in said tube, means 130 for longitudinal weld to close the tube longitudinally (and preferably also fix the closure profiles 10 on the film 110) and means 140 able to sequentially generate a first transverse weld before a product is introduced into the tube through the chute filling 120, then a second transverse weld when the product has been introduced into the tube, to close a package around the latter.
- the present invention also finds application in machines designed to ensure only the formation of sachets, without filling, the latter being operated in a subsequent step.
- the profiles of closure 10 used in the context of the present invention are equipped with sliders 50.
- the sliders 50 are thus pre-mounted sequentially on the closure profiles 10.
- the sliders 50 intended to cooperate with the closure profiles 10 comprise a sole which bears on one side two lateral wings and a central separation rib, intended to take position at least in part between the two profiles of complementary closure and which defines in combination with the wings lateral two converging / diverging lanes depending on the direction considered, intended to receive one of the closure profiles respectively.
- the profiles of closure according to the present invention routed to the station of assembly include sequentially, with the pitch of the sachets, zones 60 of small thickness.
- these thin zones 60 are formed of sequential pre-weld zones made on the closure profiles 10.
- Such pre-weld zones correspond to point zones pinched using heated jaws to both crush the profiles of closure and thus locally reduce the thickness and on the other hand, connect punctually between them the two complementary closure profiles.
- the assembly station is provided with means shown schematically under the reference 200 intended to detect possible synchronism faults between the closure profiles 10 and means involved in the assembly station (preferably the film 110 and / or the transverse welding jaws 140).
- the synchronism fault detection means 200 can be the subject of numerous variant embodiments. They are preferably formed of optical cells or mechanical sensors located at a controlled and known fixed distance of the means 140 ensuring the welds cross. The detection means 200 are adapted to detect the thin areas 60, or another mark identified on the profiles of closure 10 and located themselves at a known distance from the zones of thin 60, in order to check the synchronism between these zones 60 of thin and the film 10 as well as relative to the means 140 ensuring transverse welding.
- the means 210 can also be adapted to ensure the synchronization with marks or markings affixed to the film 110.
- auxiliary detector means capable of reading can be provided. the markings or marks provided on the film 110.
- the means 210 designed to ensure a modification of the amplitude thin areas can themselves be the subject of several embodiments.
- the thin zones 60 correspond to pre-weld zones formed sequentially on the closure profiles 10.
- the means 210 consist of means adapted to modify the amplitude of the zones of thin 60 by operating a localized pre-weld complement (in upstream or downstream of the initial pre-weld depending on the direction of the fault synchronism detected).
- the means 210 can be formed of jaws heaters suitable for pinching closure profiles to order 10.
- the means 210 can proceed by partial cutting or grinding of the profiles 10.
- the areas of low thickness 60 can be formed from partial cutting zones of closing profiles.
- the means 210 are preferably formed of means cutting or grinding adapted to increase the amplitude of the section corresponding to the thin area.
- the means 210 can proceed by welding the profiles 10.
- the thin areas 60 being formed from pre-weld or cutouts as indicated previously, it is provided as illustrated in FIG. 2 at level of these zones 60, on the closure profiles 10, of the series notches 230 designed to allow an extension of the zone 60 of small thickness by pulling on the closure profiles 10 in their direction longitudinal.
- notches 230 are made over the entire thickness closure profiles 10 and their depth is greater than half the width profiles 10.
- the means 210 thus ensuring an elongation of the zones 60 of low thickness by modification of the tensile force on the profiles of closure 10 can be formed from a belt or roller assembly.
- Such belt or roller assemblies can be combined themselves to heated jaws to freeze the condition of zones 60 obtained after such an elongation.
- the present invention applies in particular to all types of profiles closure 10, in particular assemblies comprising two profiles complementary male, female respectively, or sets of hook closure profiles.
- the present invention applies to any type of film, whether it either a film of thermoplastic material, simple or multilayer, a film paper associated with at least one plastic layer, or a metallized film, or any equivalent film.
Abstract
Description
La présente invention concerne le domaine des sachets comprenant des profilés de fermeture complémentaires conçus pour permettre une série d'ouvertures/fermetures successives par un utilisateur.The present invention relates to the field of sachets comprising additional closing profiles designed to allow a series successive openings / closings by a user.
De nombreux types de sachets et/ou profilés de fermeture ont déjà été proposés à cet effet.Many types of sachets and / or closure profiles have already have been proposed for this purpose.
La présente invention s'applique en particulier aux sachets, dont les profilés de fermeture sont commandés à l'ouverture et respectivement à la fermeture par un curseur.The present invention applies in particular to sachets, the closing profiles are ordered on opening and respectively on closing with a cursor.
Plus précisément encore, la présente invention concerne des sachets réalisés à partir d'un film d'une part, et de profilés de fermeture d'autre part, acheminés séparément dans un poste d'assemblage au niveau duquel les profilés de fermeture sont fixés sur le film.More specifically still, the present invention relates to bags made from a film on the one hand, and closure profiles on the other hand, routed separately in an assembly station at the level from which the closure profiles are fixed on the film.
De nombreux procédés et machines ont également été proposés à cet effet.Many processes and machines have also been proposed to this effect.
Cependant, l'homme de l'art a identifié depuis longtemps que la réalisation de sachets à l'aide de tels moyens pose souvent une difficulté majeure : l'épaisseur des profilés de fermeture acheminés sur le film rend difficile la réalisation de soudure(s) transversale(s) aux profilés, destinée(s) à fermer et sceller les sachets.However, those skilled in the art have long recognized that making sachets using such means often poses a difficulty major: the thickness of the closure profiles conveyed on the film makes difficult to make transverse weld (s) to the profiles, intended for close and seal the bags.
Diverses solutions ont été proposées pour tenter de surmonter cette difficulté.Various solutions have been proposed to try to overcome this difficulty.
La plus courante consiste à réaliser une pré-soudure séquentiellement sur les profilés avant d'acheminer ceux-ci sur le poste d'assemblage. Cette pré-soudure est formée au pas des sachets et localisée sur une zone destinée à coïncider avec les soudures transversales. Une telle pré-soudure présente en outre l'avantage de fixer les profilés complémentaires entre eux avant la fixation de ceux-ci sur le film.The most common is to perform a pre-weld sequentially on the profiles before routing them on the station assembly. This pre-weld is formed in the step of the bags and localized on an area intended to coincide with the transverse welds. Such a pre-welding also has the advantage of fixing the profiles complementary between them before fixing them on the film.
Une telle solution est décrite par exemple dans les documents FR-2778362, US-4 756 622, US-5 024 537, EP-302 144, US-5 092 831, US-4 663 915, US-5 215 380, US-5 046 300 et US-4 589 145. Such a solution is described for example in documents FR-2778362, US-4,756,622, US-5,024,537, EP-302 144, US-5,092,831, US-4 663,915, US-5,215,380, US-5,046,300 and US-4,589,145.
Une autre technique consiste à acheminer non pas des profilés de fermeture sous forme d'une bande continue, mais d'acheminer des tronçons de profilés au pas des sachets.Another technique consists in conveying not profiles of closing in the form of a continuous strip, but to route sections of profiles with the pitch of the sachets.
Cette technique est décrite par exemple dans les documents FR-2716158, FR-2707251 et EP-528 721.This technique is described for example in documents FR-2716158, FR-2707251 and EP-528 721.
Cependant cette technique n'a pas connu un réel développement industriel en raison de sa complexité. En particulier le guidage de tronçons et non pas d'une bande continue s'avère très délicat.However, this technique has not really developed industrial because of its complexity. In particular the guidance of sections and not of a continuous strip is very delicate.
Une autre solution a été proposée pour tenter d'éliminer les inconvénients de l'ensemble des moyens ainsi proposés. On en trouvera par exemple un descriptif dans le document US-4 876 842. Elle consiste à détecter tout défaut de synchronisation entre le film et les profilés de fermeture et à agir sur la motorisation assurant l'entraínement de ceux-ci, pour re-synchroniser film et profilés.Another solution has been proposed in an attempt to eliminate the disadvantages of all the means thus proposed. You will find it by example a description in document US-4,876,842. It consists of detect any lack of synchronization between the film and the profiles closing and acting on the engine ensuring the training thereof, to re-synchronize film and profiles.
Cette technique s'avérait prometteuse en théorie, cependant elle n'a pas non plus connu le développement industriel attendu en raison notamment de sa complexité, et de là d'une fiabilité assez aléatoire.This technique was promising in theory, however it did not also not experienced the expected industrial development due notably its complexity, and hence its fairly random reliability.
La présente invention a maintenant pour but de proposer de nouveaux moyens permettant d'éliminer les inconvénients de la technique antérieure et proposer ainsi des performances supérieures à celles des moyens antérieurs connus.The present invention now aims to provide new ways to eliminate the disadvantages of the technique earlier and thus offer higher performance than known prior means.
Ce but est atteint dans le cadre de la présente invention grâce à un procédé de fabrication de sachets, comprenant des profilés de fermeture complémentaires, comportant les étapes qui consistent à :
- acheminer séparément un film et des profilés de fermeture comprenant des zones séquentielles de plus faible épaisseur au pas des sachets, et
- fixer les profilés sur le film,
- détecter les défauts éventuels de synchronisation entre les profilés de fermeture et des moyens intervenant au niveau du poste d'assemblage, et
- en cas de défaut de synchronisation détecté, modifier l'amplitude des zones séquentielles de faible épaisseur ménagées sur les profilés pour rétablir la synchronisation.
- separately convey a film and closure profiles comprising thinner sequential zones at the pitch of the bags, and
- fix the profiles on the film,
- detect any synchronization faults between the closure profiles and the means involved in the assembly station, and
- in the event of a synchronization fault detected, modify the amplitude of the sequential thin areas provided on the profiles to restore synchronization.
Plus précisément, dans le cadre de l'invention, les moyens de détection peuvent détecter un défaut de synchronisation entre profilés de fermeture et film et/ou un défaut de synchronisation entre profilés de fermeture et moyens destinés à assurer des soudures chevauchant au moins partiellement les profilés de fermeture, par exemple des moyens assurant une soudure transversale.More specifically, in the context of the invention, the means of detection can detect a synchronization fault between profiles of closure and film and / or a lack of synchronization between profiles of closure and means for ensuring at least overlapping welds partially the closure profiles, for example means ensuring a transverse weld.
La présente invention concerne également une machine pour la mise en oeuvre du procédé précité et les sachets ainsi obtenus.The present invention also relates to a machine for setting using the above process and the sachets thus obtained.
D'autres caractéristiques, buts et avantages de la présente invention apparaítront à la lecture de la description détaillée qui va suivre, et en regard des dessins annexés, donnés à titre d'exemples non limitatifs et sur lesquels :
- la figure 1 représente une vue schématique en perspective d'une machine apte à la mise en oeuvre de l'invention, conforme à un mode de réalisation préférentiel,
- la figure 2 représente une vue en plan d'une bande de fermeture conforme à un mode de réalisation avantageux de la présente invention, comprenant une série d'encoches, et
- la figure 3 représente une vue similaire à la figure 2, illustrant un allongement potentiel d'une zone de plus faible épaisseur, obtenue dans le cadre de la présente invention à l'aide de la variante à encoches.
- FIG. 1 represents a schematic perspective view of a machine capable of implementing the invention, in accordance with a preferred embodiment,
- FIG. 2 represents a plan view of a closure strip according to an advantageous embodiment of the present invention, comprising a series of notches, and
- FIG. 3 represents a view similar to FIG. 2, illustrating a potential elongation of a zone of thinner thickness, obtained in the context of the present invention using the variant with notches.
On aperçoit sur la figure 1 annexée un poste d'assemblage qui reçoit
d'une part des profilés de fermeture complémentaires 10 et d'autre part, un
film 110. Les profilés 10 et le film 110 proviennent de sources ou réserves
séparées, tel qu'un rouleau illustré sous la référence 112 pour le film 110.
Les profilés de fermeture 10 sont fixés sur le film 110 au niveau de ce poste
d'assemblage. We can see in Figure 1 attached an assembly station which receives
on the one hand
Plus précisément encore, le poste d'assemblage illustré sur la figure 1 correspond à une machine dite FFS verticale (FFS correspondant à l'expression anglo-saxonne « Form, Fill and Seal »).More specifically, the assembly station illustrated in the figure 1 corresponds to a so-called vertical FFS machine (FFS corresponding to the English expression “Form, Fill and Seal”).
Une telle machine est bien connue de l'homme de l'art et ne sera donc pas décrite dans le détail par la suite. Elle est destinée à la formation, le remplissage et la fermeture des sachets.Such a machine is well known to those skilled in the art and will not be therefore not described in detail below. It is intended for training, filling and closing of sachets.
On rappelle néanmoins qu'une telle machine comprend
généralement un col de formage 100 qui reçoit en entrée le film 110 à l'état
plan en provenance d'un dérouleur 112, et qui fournit en sortie le film 110
conformé en tube, une goulotte de remplissage 120 qui débouche dans ce
col de formage 100 et par conséquent dans ledit tube, des moyens 130 de
soudure longitudinale pour fermer le tube longitudinalement (et de préférence
également fixer les profilés de fermeture 10 sur le film 110) et des moyens
140 aptes à générer séquentiellement une première soudure transversale
avant qu'un produit ne soit introduit dans le tube par la goulotte de
remplissage 120, puis une seconde soudure transversale quand le produit a
été introduit dans le tube, pour fermer un emballage autour de ce dernier.It is nevertheless recalled that such a machine comprises
generally a forming
Bien entendu la présente invention n'est pas limitée à l'application sur une machine de type FFS verticale.Of course the present invention is not limited to the application on a vertical FFS type machine.
Ainsi la présente invention trouve également application dans des machines à déplacement horizontal et non pas vertical.Thus the present invention also finds application in machines moving horizontally, not vertically.
Par ailleurs la présente invention trouve également application dans des machines conçues pour assurer uniquement la formation des sachets, sans remplissage, ce dernier étant opéré au cours d'une étape ultérieure.Furthermore, the present invention also finds application in machines designed to ensure only the formation of sachets, without filling, the latter being operated in a subsequent step.
On a évoqué précédemment la possibilité d'utiliser les moyens 130
destinés à la fermeture du tube composant les sachets, pour assurer
également la fixation des profilés de fermeture 10 sur le film 110. Cependant
dans le cadre de la présente invention, la fixation des profilés de fermeture
10 sur le film 110 peut bien entendu être réalisée à l'aide de tout autre
moyen approprié, indépendant des moyens 130. We previously mentioned the possibility of using the
Comme évoqué précédemment, de préférence, les profilés de
fermeture 10 utilisés dans le cadre de la présente invention sont équipés de
curseurs 50.As mentioned above, preferably, the profiles of
Plus précisément, il est ainsi prévu sur la bande de profilés de
fermeture 10, une suite régulière de curseurs 50 au pas des sachets.More specifically, it is thus provided on the strip of profiles of
De préférence, les curseurs 50 sont ainsi pré-montés
séquentiellement sur les profilés de fermeture 10. Cependant en variante on
peut prévoir d'utiliser des curseurs 50 conçus pour être rapportés sur les
profilés de fermeture 10 au niveau du poste d'assemblage, avant ou après la
fixation des profilés de fermeture 10 sur le film 110.Preferably, the
On pourra se reporter par exemple aux documents EP-051 010, EP-102 301 et EP-479 661 pour ce qui est du descriptif de moyens conçus pour assurer l'apport de curseurs sur les profilés au niveau d'un poste d'assemblage avant ou après la fixation de profilés de fermeture sur un film.Reference may be made, for example, to documents EP-051 010, EP-102 301 and EP-479 661 as regards the description of means designed to ensure the contribution of cursors on the profiles at the level of a position assembly before or after the fixing of closure profiles on a film.
La structure de tels curseurs 50 est bien connue de l'homme de l'art
et ne sera donc pas décrite dans le détail par la suite.The structure of
On rappelle néanmoins que de préférence, les curseurs 50 destinés
à coopérer avec les profilés de fermeture 10 comprennent une semelle qui
porte sur une face deux ailes latérales et une nervure centrale de séparation,
destinée à prendre position au moins en partie entre les deux profilés de
fermeture complémentaires et qui définit en combinaison avec les ailes
latérales deux couloir convergents / divergents selon la direction considérée,
destinées à recevoir respectivement l'un des profilés de fermeture.It is nevertheless recalled that preferably, the
Par ailleurs, comme on l'a évoqué précédemment, les profilés de
fermeture conformes à la présente invention acheminés sur le poste
d'assemblage comprennent séquentiellement, au pas des sachets, des
zones 60 de faible épaisseur.Furthermore, as mentioned above, the profiles of
closure according to the present invention routed to the station
of assembly include sequentially, with the pitch of the sachets,
De préférence, ces zones 60 de faible épaisseur sont formées de
zones séquentielles de pré-soudure réalisées sur les profilés de fermeture
10. De telles zones de pré-soudure correspondent à des zones ponctuelles
pincées à l'aide de mâchoires chauffées pour à la fois écraser les profilés de
fermeture et ainsi en réduire localement l'épaisseur et d'autre part, relier
ponctuellement entre eux les deux profilés de fermeture complémentaires.Preferably, these
On évoquera par la suite d'autres variantes conformes à l'invention de zones séquentielles de faible épaisseur.Other variants in accordance with the invention will be discussed below. sequential zones of small thickness.
Dans le cadre de la présente invention le poste d'assemblage est
muni de moyens schématisés sous la référence 200 destinés à détecter des
défauts éventuels de synchronisme entre les profilés de fermeture 10 et des
moyens intervenant au niveau du poste d'assemblage (de préférence le film
110 et/ou les mâchoires de soudure transversale 140).In the context of the present invention, the assembly station is
provided with means shown schematically under the
Dans le cadre de la présente invention, il est en outre prévu des
moyens schématisés sous la référence 210 destinés à assurer, en cas de
défaut de synchronisation détecté par les moyens 200, une modification de
l'amplitude des zones 60 séquentielles de faible épaisseur, pour rétablir le
synchronisme entre les profilés de fermeture 10 et la référence (film 110
et/ou mâchoires 140).In the context of the present invention, there are further provided
means shown diagrammatically under
Les moyens de détection de défaut de synchronisme 200 peuvent
faire l'objet de nombreuses variantes de réalisation. Ils sont de préférence
formés de cellules optiques ou de palpeurs mécaniques situés à une
distance fixe contrôlée et connue des moyens 140 assurant les soudures
transversales. Les moyens de détection 200 sont adaptés pour détecter les
zones de faible épaisseur 60, ou un autre repère identifié sur les profilés de
fermeture 10 et situés eux-mêmes à une distance connue des zones de
faible épaisseur 60, afin de vérifier le synchronisme entre ces zones 60 de
faible épaisseur et le film 10 ainsi que par rapport aux moyens 140 assurant
la soudure transversale.The synchronism fault detection means 200 can
be the subject of numerous variant embodiments. They are preferably
formed of optical cells or mechanical sensors located at a
controlled and known fixed distance of the
Les moyens 210 peuvent également être adaptés pour assurer la
synchronisation par rapport à des repères ou marquages apposés sur le film
110. A cet effet on peut prévoir des moyens détecteurs auxiliaires aptes à lire
les marquages ou repères prévus sur le film 110.The means 210 can also be adapted to ensure the
synchronization with marks or markings affixed to the
Les moyens 210 conçus pour assurer une modification de l'amplitude des zones de faible épaisseur peuvent eux-mêmes faire l'objet de plusieurs modes de réalisation. The means 210 designed to ensure a modification of the amplitude thin areas can themselves be the subject of several embodiments.
Selon un premier mode de réalisation, les zones de faible épaisseur
60 correspondent à des zones de pré-soudure formées séquentiellement sur
les profilés de fermeture 10. Dans ce cas de préférence, les moyens 210
sont constitués de moyens adaptés pour modifier l'amplitude des zones de
faible épaisseur 60 en opérant un complément localisé de pré-soudure (en
amont ou en aval de la pré-soudure initiale selon le sens du défaut de
synchronisme détecté).According to a first embodiment, the
Dans ce contexte les moyens 210 peuvent être formés de mâchoires
chauffantes adaptées pour pincer sur commande les profilés de fermeture
10.In this context, the
Selon une autre modalité les moyens 210 peuvent procéder par
découpe partielle ou meulage des profilés 10.According to another method, the
Selon une seconde variante de l'invention, les zones de faible
épaisseur 60 peuvent être formées de zones de découpes partielles des
profilés de fermeture. On pourra se référer par exemple au document EP-A-0
620 105 qui décrit la réalisation de telles découpes localisées sur l'un au
moins des profilés de fermeture.According to a second variant of the invention, the areas of
Dans ce cas les moyens 210 sont formés de préférence de moyens
de coupe ou de meulage adaptés pour augmenter l'amplitude de la zone de
coupe correspondant à la zone de faible épaisseur.In this case the
Selon une autre modalité de mise en oeuvre, les moyens 210
peuvent procéder par soudure des profilés 10.According to another mode of implementation, the
Selon encore une troisième variante conforme à l'invention, les
zones de faible épaisseur 60 étant formées de pré-soudure ou de découpes
comme indiqué précédemment, il est prévu comme illustré sur la figure 2 au
niveau de ces zones 60, sur les profilés de fermeture 10, des séries
d'encoches 230 conçues pour autoriser un allongement de la zone 60 de
faible épaisseur par traction sur les profilés de fermeture 10 dans leur sens
longitudinal.According to yet a third variant in accordance with the invention, the
A cette fin, il est prévu au niveau des zones 60 de faible épaisseur
au moins deux encoches 230 qui débouchent sur des côtés longitudinaux
opposés des profilés de fermeture 10. To this end, it is provided at the level of the
Plus précisément encore de préférence, il est ainsi prévu trois
encoches 230 qui débouchent alternativement sur des côtés opposés aux
profilés de fermeture 10 (à savoir deux encoches 230 débouchent sur un
premier côté des profilés de fermeture 10 et une encoche 230 intermédiaire
entre les deux premières citées débouche sur un second côté longitudinal
des profilés de fermeture 10).Even more preferably, provision is thus made for three
L'homme de l'art comprendra aisément que, comme cela apparaít à
l'examen comparé des figures 2 et 3, lorsque l'effort de traction exercé sur
les zones 60 de faible épaisseur dépasse un seuil, par déformation de
matière, les encoches 230 s'ouvrent ce qui conduit à un allongement des
zones 60.Those skilled in the art will readily understand that, as appears from
the comparative examination of FIGS. 2 and 3, when the tensile force exerted on
the
Typiquement les encoches 230 sont réalisées sur toute l'épaisseur
des profilés de fermeture 10 et leur profondeur est supérieure à la demi-largeur
des profilés 10.Typically the
Les moyens 210 assurant ainsi un allongement des zones 60 de
faible épaisseur par modification de l'effort de traction sur les profilés de
fermeture 10 peuvent être formés d'ensemble à courroie ou galets. Le cas
échéant, de tels ensembles à courroie ou galets peuvent être associés eux-mêmes
à des mâchoires chauffantes afin de figer l'état des zones 60
obtenues après un tel allongement.The means 210 thus ensuring an elongation of the
Bien entendu la présente invention n'est pas limitée aux modes de réalisation particuliers qui viennent d'être décrits mais s'étend à toutes variantes conformes à son esprit.Of course, the present invention is not limited to the modes of particular realization which have just been described but extends to all variants according to his spirit.
La présente invention s'applique en particulier à tout type de profilés
de fermeture 10, notamment les ensembles comprenant deux profilés
complémentaires mâle, femelle respectivement, ou encore les ensembles de
profilés de fermeture a crochets.The present invention applies in particular to all types of
De même la présente invention s'applique à tout type de film, que ce soit un film en matériau thermoplastique, simple ou multicouche, un film papier associé à au moins une couche plastique, ou encore un film métallisé, ou tout autre film équivalent.Likewise, the present invention applies to any type of film, whether it either a film of thermoplastic material, simple or multilayer, a film paper associated with at least one plastic layer, or a metallized film, or any equivalent film.
Claims (31)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK02290210T DK1228858T3 (en) | 2001-02-02 | 2002-01-30 | Method and machine for making bags comprising complementary closure profiles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0101457A FR2820361B1 (en) | 2001-02-02 | 2001-02-02 | PROCESS FOR MANUFACTURING BAGS WITH ADDITIONAL CLOSING PROFILES, MACHINE AND BAGS OBTAINED |
FR0101457 | 2001-02-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1228858A1 true EP1228858A1 (en) | 2002-08-07 |
EP1228858B1 EP1228858B1 (en) | 2004-12-15 |
Family
ID=8859577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02290210A Expired - Lifetime EP1228858B1 (en) | 2001-02-02 | 2002-01-30 | Method and apparatus for making bags with interlocking closure elements |
Country Status (14)
Country | Link |
---|---|
US (1) | US6740019B2 (en) |
EP (1) | EP1228858B1 (en) |
JP (1) | JP2002283476A (en) |
CN (1) | CN1230351C (en) |
AR (1) | AR032535A1 (en) |
AT (1) | ATE284783T1 (en) |
AU (1) | AU785187B2 (en) |
BR (1) | BR0200312A (en) |
CA (1) | CA2369347A1 (en) |
DE (1) | DE60202222T2 (en) |
DK (1) | DK1228858T3 (en) |
ES (1) | ES2233776T3 (en) |
FR (1) | FR2820361B1 (en) |
HK (1) | HK1050172A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070012589A1 (en) * | 2005-07-15 | 2007-01-18 | Cassoni Robert P | Process for manufacture of a flexible package |
FR2892707A1 (en) * | 2005-10-28 | 2007-05-04 | S2F Flexico Sarl | PROCESS FOR MANUFACTURING SACHETS COMPRISING CUTTINGS, SACHET CORRESPONDING |
US7967509B2 (en) | 2007-06-15 | 2011-06-28 | S.C. Johnson & Son, Inc. | Pouch with a valve |
US7874731B2 (en) | 2007-06-15 | 2011-01-25 | S.C. Johnson Home Storage, Inc. | Valve for a recloseable container |
BR112012007966B1 (en) * | 2009-10-08 | 2020-03-10 | Illinois Tool Works Inc | METHOD FOR FORMING A PACKAGE FROM A RIGID OR SEMI-RIGID PORTION AND A POLYMERIC TOP |
US9061783B2 (en) * | 2010-04-29 | 2015-06-23 | Illinois Tool Works Inc. | Fin seal registration in manufacture of reclosable packages |
DE102011106301A1 (en) * | 2011-07-01 | 2013-01-03 | Lemo Maschinenbau Gmbh | Method for manufacturing bag, involves connecting clamping elements with two band-like terminals |
CN105346143B (en) * | 2015-11-09 | 2017-06-23 | 成都兴业雷安电子有限公司 | It is a kind of with detection and spacing pocket production system |
DE102019132878A1 (en) * | 2019-12-03 | 2021-06-10 | Syntegon Packaging Systems Ag | Horizontal forming device |
CN115108068B (en) * | 2022-07-22 | 2023-07-18 | 金溪斯普瑞药业有限公司 | Independent packing plant of medicine tablet |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11165362A (en) * | 1997-12-03 | 1999-06-22 | Itochu San Plus Kk | Fastener intermeshing detector for packaging bag with fastener |
US6003582A (en) * | 1997-07-17 | 1999-12-21 | Hudson-Sharp Machine Co. | Apparatus for applying reclosable fasteners to a web of film |
WO2000076872A1 (en) * | 1999-06-11 | 2000-12-21 | Reynolds Consumer Products, Inc. | Resealable package having slider device, tamper-evident structure, and methods of manufacturing |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1629218B2 (en) * | 1966-06-01 | 1973-04-26 | Windmoller & Holscher, 4540 Len gench | PROCESS AND DEVICE FOR MANUFACTURING PLASTIC BAGS WITH WELDED PRESSURE OR SLIDING STRAPS |
US3988184A (en) * | 1972-08-11 | 1976-10-26 | Uly-Pak, Inc. | Method for applying closure strips to plastic film |
JPS57195613A (en) * | 1981-05-28 | 1982-12-01 | Seisan Nipponsha Kk | Method of bonding synthetic resin fastener, having fusion-heat, to flat plate film |
US4666536A (en) * | 1985-11-14 | 1987-05-19 | Signode Corporation | Method of and means for making reclosable bag material, and material produced thereby |
US4876842A (en) * | 1988-01-15 | 1989-10-31 | Minigrip, Inc. | Method of and apparatus for packaging product masses in a form, fill and seal machine |
US4909017B1 (en) * | 1989-07-28 | 1999-02-09 | Minigrip Inc | Reclosable bag material method and apparatus |
US5046300A (en) * | 1990-10-19 | 1991-09-10 | Reynolds Consumer Products, Inc. | Method and apparatus for forming a reclosable package |
US5215380A (en) * | 1990-10-19 | 1993-06-01 | Reynolds Consumer Products, Inc. | Reclosable package with tear strip |
US5776045A (en) * | 1995-11-06 | 1998-07-07 | Lakeland Micro, Inc. | Machine for attaching a reclosable fastener to a flexible material |
FR2751298B1 (en) * | 1996-07-16 | 1998-10-09 | Flexico France Sarl | METHOD AND MACHINE FOR MAKING PACKAGING BAGS USING FLEXIBLE FILM AND PACKAGING BAG OBTAINED |
FR2770487B1 (en) * | 1997-11-06 | 2000-02-04 | Flexico France Sarl | AUTOMATIC BAG FORMING, FILLING AND CLOSING MACHINE WITH CROSS-CLOSING PROFILES |
FR2778362B1 (en) * | 1998-05-05 | 2000-07-28 | Flexico France Sarl | PROCESS FOR MAKING BAGS INCLUDING CLOSING PROFILES ACTUATED BY CURSOR |
-
2001
- 2001-02-02 FR FR0101457A patent/FR2820361B1/en not_active Expired - Fee Related
-
2002
- 2002-01-23 AU AU13534/02A patent/AU785187B2/en not_active Ceased
- 2002-01-29 BR BR0200312-0A patent/BR0200312A/en not_active Application Discontinuation
- 2002-01-30 AT AT02290210T patent/ATE284783T1/en not_active IP Right Cessation
- 2002-01-30 DK DK02290210T patent/DK1228858T3/en active
- 2002-01-30 ES ES02290210T patent/ES2233776T3/en not_active Expired - Lifetime
- 2002-01-30 DE DE60202222T patent/DE60202222T2/en not_active Expired - Lifetime
- 2002-01-30 EP EP02290210A patent/EP1228858B1/en not_active Expired - Lifetime
- 2002-01-31 CN CNB021031177A patent/CN1230351C/en not_active Expired - Fee Related
- 2002-01-31 CA CA002369347A patent/CA2369347A1/en not_active Abandoned
- 2002-02-01 AR ARP020100361A patent/AR032535A1/en unknown
- 2002-02-01 US US10/060,207 patent/US6740019B2/en not_active Expired - Lifetime
- 2002-02-01 JP JP2002025029A patent/JP2002283476A/en active Pending
-
2003
- 2003-03-18 HK HK03101983.4A patent/HK1050172A1/en unknown
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US6003582A (en) * | 1997-07-17 | 1999-12-21 | Hudson-Sharp Machine Co. | Apparatus for applying reclosable fasteners to a web of film |
JPH11165362A (en) * | 1997-12-03 | 1999-06-22 | Itochu San Plus Kk | Fastener intermeshing detector for packaging bag with fastener |
WO2000076872A1 (en) * | 1999-06-11 | 2000-12-21 | Reynolds Consumer Products, Inc. | Resealable package having slider device, tamper-evident structure, and methods of manufacturing |
Non-Patent Citations (1)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 1999, no. 11 30 September 1999 (1999-09-30) * |
Also Published As
Publication number | Publication date |
---|---|
DE60202222T2 (en) | 2005-12-15 |
AU785187B2 (en) | 2006-10-19 |
US20020107130A1 (en) | 2002-08-08 |
CN1230351C (en) | 2005-12-07 |
DK1228858T3 (en) | 2005-04-25 |
EP1228858B1 (en) | 2004-12-15 |
FR2820361A1 (en) | 2002-08-09 |
JP2002283476A (en) | 2002-10-03 |
CA2369347A1 (en) | 2002-08-02 |
DE60202222D1 (en) | 2005-01-20 |
BR0200312A (en) | 2002-10-29 |
AU1353402A (en) | 2002-08-08 |
AR032535A1 (en) | 2003-11-12 |
HK1050172A1 (en) | 2003-06-13 |
ES2233776T3 (en) | 2005-06-16 |
FR2820361B1 (en) | 2003-07-25 |
ATE284783T1 (en) | 2005-01-15 |
US6740019B2 (en) | 2004-05-25 |
CN1369407A (en) | 2002-09-18 |
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