EP0521278A1 - Dispenser for dispensing predetermined quantities of fluid substance contained in a bellows-shaped bag - Google Patents

Dispenser for dispensing predetermined quantities of fluid substance contained in a bellows-shaped bag Download PDF

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Publication number
EP0521278A1
EP0521278A1 EP92108276A EP92108276A EP0521278A1 EP 0521278 A1 EP0521278 A1 EP 0521278A1 EP 92108276 A EP92108276 A EP 92108276A EP 92108276 A EP92108276 A EP 92108276A EP 0521278 A1 EP0521278 A1 EP 0521278A1
Authority
EP
European Patent Office
Prior art keywords
bag
dispenser
bellows
substance
substance contained
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Withdrawn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
EP92108276A
Other languages
German (de)
French (fr)
Inventor
Franco Di Mascio
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.)
MAS SpA MICRODISPENSATORI - MACCHINE ATTREZZATURE SPECIALI
Original Assignee
MAS SpA MICRODISPENSATORI - MACCHINE ATTREZZATURE SPECIALI
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 MAS SpA MICRODISPENSATORI - MACCHINE ATTREZZATURE SPECIALI filed Critical MAS SpA MICRODISPENSATORI - MACCHINE ATTREZZATURE SPECIALI
Publication of EP0521278A1 publication Critical patent/EP0521278A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/30—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants by excluding light or other outside radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • This invention relates to dispenser devices for dispensing predetermined quantities of a fluid substance, which can also be in a creamy state, contained in a deformable bag forming part of the dispenser device, this latter being provided with a manual suction and delivery pump which draws the substance to be dispensed from the bag.
  • Dispenser devices of this type are known and are described for example in the Italian utility model patent 207667.
  • this bag-type dispenser as dispensing proceeds the bag wrinkles irregularly and substantially unpredictably because of the vacuum generated within it by virtue of the dispensing action. It can therefore happen that the bag deforms in such a manner as to prevent the complete extraction of the substance contained in the bag.
  • the dispenser illustrated in said utility model in fact also comprises a bottle which encloses the deformable container and is provided with holes in its base. These holes enable air to enter the bottle in order to prevent vacuum forming therein when the bag wrinkles.
  • the bag has a mouth into which the lower end of a known manually operated suction and delivery pump is inserted. This latter is sealed to the mouth of the deformable bag and comprises a hollow main body, the base of which comprises an inlet hole which connects the space within the pump body to the interior of the bag.
  • the pump body is fixed to the bottle neck by a ring cap.
  • a dispenser knob On the top of the pump there is a dispenser knob to be pressed to operate the pump, to hence obtain the emergence of a predetermined quantity of the substance contained in the bag. This generates within the deformable bag a vacuum which, as already stated, causes the bag to wrinkle irregularly.
  • the main object of the present invention is to obviate the aforesaid drawbacks of dispenser devices of the stated type.
  • a second object of the present invention is to obviate these further drawbacks.
  • the dispenser with a deformable bag according to the present invention, which is characterised in that the deformable bag is bellows-shaped.
  • the bag reduces in volume in a gradual and predetermined manner without the problems of known dispensers of deformable bag type arising, with the result that the entire substance contained in the bag can be dispensed.
  • the second said object is attained in that the deformable bag is enclosed by an aluminium enclosure provided within the bottle.
  • the aluminium enclosure prevents both the passage of ultraviolet rays and any outward migration of the substance contained in the deformable bag.
  • the present invention will be more apparent from the description of a dispenser according to the invention given hereinafter by way of example.
  • the single figure represents an axial vertical section through the dispenser with a bellows-shaped deformable bag. From this figure it can be seen that the dispenser 10 comprises an upperly open bottle 12 of overall cylindrical form, on the top of which a conventional ring cap 14 is fixed by being snap-mounted onto the bottle 12.
  • a conventional manual pump 16 of the type suitable for use with deformable bags is snap-fitted to the ring cap 14.
  • the coaxial operating stem 18 of the pump 16 carries a conventional dispensing knob 20 which encloses the delivery channel (not visible in the figure). This latter communicates at one end with the axial channel (not visible) of the pump stem 18, from which the predetermined quantity of substance to be dispensed emerges. The other end of this channel opens at the free end 22 of the nose 24 of the knob 20.
  • a conventional protection cap 26 encloses the ring cap 14 and the dispensing knob 20.
  • an upperly open, overall cylindrical enclosure 28 consisting of a sheet of aluminium foil possibly internally lined with a sheet of polyethylene.
  • the polyethylene lining enables the mouth of the enclosure 28 to be welded to that of the deformable bag 30, also of polyethylene, contained in the enclosure 28.
  • the enclosure 28 can be dispensed with if the substance contained in the bottle 4 or rather in the deformable bag 30 is insensitive to ultraviolet rays and does not tend to migrate towards the outside of the bag 30.
  • the deformable bag 30 is of overall cylindrical shape, is open at its top and has a bellows-shaped lateral surface.
  • the aluminium enclosure 28 will also have a horizontal upper flange, which will then lie between the upper edge 36 of the bottle 12 and the flange of the bellows-shaped bag 30.
  • this chamber On releasing the dispensing knob 20, this chamber is put under vacuum so that a quantity of substance is drawn from the interior of the bag to again fill said chamber with a further dose of substance to be dispensed.
  • the bag volume reduces by an amount equal to the volume of the dose dispensed.
  • the contraction of the bellows-shaped bag therefore occurs in a precise and predictable manner, so as not to prevent complete emptying of the contents of the bag 30.
  • the bag When the last available dose has been dispensed, the bag is in a situation in which is lateral folds are in strict mutual contact, so that the bag assumes its minimum height.
  • the bag 30 is formed such that when in its minimum volume state its base 40 does not rest against the lower end 42 of the pump 16, in order not to prevent complete extraction of that quantity of dispensable substance still remaining in the bag.
  • the pump 16 can also be of a type different from that shown in the figure. It can for example be of the type represented in the aforesaid Italian utility model 207667, in which the pump does not project into the bag.

Abstract

The dispenser device (10) for dispensing a predetermined quantity of a fluid substance contained in a deformable bag (30) is provided with a manual suction and delivery pump (16) for drawing the substance to be dispensed from the bag (30). To ensure complete extraction from the bag (30) of the substance to be dispensed, the bag is bellows-shaped.
To prevent the substance contained in the normally polyethylene bag (30) from being reached by ultraviolet rays which could degrade it, and to prevent this substance being able to migrate through the polyethylene, the bag is enclosed in an aluminium enclosure (28).

Description

  • This invention relates to dispenser devices for dispensing predetermined quantities of a fluid substance, which can also be in a creamy state, contained in a deformable bag forming part of the dispenser device, this latter being provided with a manual suction and delivery pump which draws the substance to be dispensed from the bag.
  • Dispenser devices of this type are known and are described for example in the Italian utility model patent 207667. In this bag-type dispenser, as dispensing proceeds the bag wrinkles irregularly and substantially unpredictably because of the vacuum generated within it by virtue of the dispensing action. It can therefore happen that the bag deforms in such a manner as to prevent the complete extraction of the substance contained in the bag.
  • The dispenser illustrated in said utility model in fact also comprises a bottle which encloses the deformable container and is provided with holes in its base. These holes enable air to enter the bottle in order to prevent vacuum forming therein when the bag wrinkles. The bag has a mouth into which the lower end of a known manually operated suction and delivery pump is inserted. This latter is sealed to the mouth of the deformable bag and comprises a hollow main body, the base of which comprises an inlet hole which connects the space within the pump body to the interior of the bag. The pump body is fixed to the bottle neck by a ring cap.
  • On the top of the pump there is a dispenser knob to be pressed to operate the pump, to hence obtain the emergence of a predetermined quantity of the substance contained in the bag. This generates within the deformable bag a vacuum which, as already stated, causes the bag to wrinkle irregularly.
  • The main object of the present invention is to obviate the aforesaid drawbacks of dispenser devices of the stated type.
  • These known dispensers also suffer from a drawback due to the fact that neither the bag (normally of polyethylene) nor the bottle (normally of polycarbonate) is able to prevent passage of ultraviolet rays. In this respect it has in fact been found that ultraviolet rays can cause degradation of the products usually contained in the bag. In addition, certain of the products which can be contained in the deformable bag have a tendency to migrate though the polyethylene of which the bag is made.
  • A second object of the present invention is to obviate these further drawbacks.
  • Said main object is attained by the dispenser with a deformable bag according to the present invention, which is characterised in that the deformable bag is bellows-shaped.
  • In this manner the bag reduces in volume in a gradual and predetermined manner without the problems of known dispensers of deformable bag type arising, with the result that the entire substance contained in the bag can be dispensed.
  • The second said object is attained in that the deformable bag is enclosed by an aluminium enclosure provided within the bottle. In this respect, the aluminium enclosure prevents both the passage of ultraviolet rays and any outward migration of the substance contained in the deformable bag.
  • The present invention will be more apparent from the description of a dispenser according to the invention given hereinafter by way of example. In this description reference is made to the accompanying drawing, in which the single figure represents an axial vertical section through the dispenser with a bellows-shaped deformable bag. From this figure it can be seen that the dispenser 10 comprises an upperly open bottle 12 of overall cylindrical form, on the top of which a conventional ring cap 14 is fixed by being snap-mounted onto the bottle 12.
  • A conventional manual pump 16 of the type suitable for use with deformable bags is snap-fitted to the ring cap 14. The coaxial operating stem 18 of the pump 16 carries a conventional dispensing knob 20 which encloses the delivery channel (not visible in the figure). This latter communicates at one end with the axial channel (not visible) of the pump stem 18, from which the predetermined quantity of substance to be dispensed emerges. The other end of this channel opens at the free end 22 of the nose 24 of the knob 20. A conventional protection cap 26 encloses the ring cap 14 and the dispensing knob 20.
  • In the interior of the bottle 12 there is provided an upperly open, overall cylindrical enclosure 28 consisting of a sheet of aluminium foil possibly internally lined with a sheet of polyethylene. The polyethylene lining enables the mouth of the enclosure 28 to be welded to that of the deformable bag 30, also of polyethylene, contained in the enclosure 28.
  • The enclosure 28 can be dispensed with if the substance contained in the bottle 4 or rather in the deformable bag 30 is insensitive to ultraviolet rays and does not tend to migrate towards the outside of the bag 30.
  • The deformable bag 30 is of overall cylindrical shape, is open at its top and has a bellows-shaped lateral surface.
  • Its upper mouth is in the form of a flange which, when the dispenser 10 has been assembled (see figure), lies between the upper edge 36 of the bottle 12 and the lower edge of a closure diaphragm 32 fixed coaxially to the pump 16. The upper edge of the diaphragm 32 rests against an appropriate shoulder 34 provided within the ring cap 14.
  • If the aluminium enclosure 28 is provided, this will also have a horizontal upper flange, which will then lie between the upper edge 36 of the bottle 12 and the flange of the bellows-shaped bag 30.
  • When the cap 26 is removed and the dispensing knob 20 is pressed downwards (assuming for simplicity that the compression and metering chamber provided within the pump is already filled with the substance to be dispensed), a predetermined quantity of the substance contained in said chamber emerges from the nose 24.
  • On releasing the dispensing knob 20, this chamber is put under vacuum so that a quantity of substance is drawn from the interior of the bag to again fill said chamber with a further dose of substance to be dispensed.
  • Consequently, because of the presence of the hole 30 provided in the base of the bottle, so that the exterior of the bag 30 is at atmospheric pressure, the bag volume reduces by an amount equal to the volume of the dose dispensed.
  • Because of the particular bellows shape of the deformable bag 30, its volume reduction results in a contraction of its lateral folds, so that its base moves upwards at each delivery.
  • The contraction of the bellows-shaped bag therefore occurs in a precise and predictable manner, so as not to prevent complete emptying of the contents of the bag 30.
  • When the last available dose has been dispensed, the bag is in a situation in which is lateral folds are in strict mutual contact, so that the bag assumes its minimum height.
  • In the particular case represented in the figure, the bag 30 is formed such that when in its minimum volume state its base 40 does not rest against the lower end 42 of the pump 16, in order not to prevent complete extraction of that quantity of dispensable substance still remaining in the bag.
  • The pump 16 can also be of a type different from that shown in the figure. It can for example be of the type represented in the aforesaid Italian utility model 207667, in which the pump does not project into the bag.

Claims (3)

  1. A dispenser device (10) for dispensing predetermined quantities of a fluid substance contained in a deformable bag, said device being provided with a manual suction and delivery pump for drawing the substance to be dispensed from the bag, characterised in that the bag (30) is bellows-shaped.
  2. A dispenser device (10) as claimed in claim 1, characterised in that the deformable bag (30) is enclosed in an aluminium enclosure (28).
  3. A dispenser device (10) as claimed in claim 2, characterised in that the aluminium enclosure (28) is lined internally with a polyethylene film.
EP92108276A 1991-06-24 1992-05-15 Dispenser for dispensing predetermined quantities of fluid substance contained in a bellows-shaped bag Withdrawn EP0521278A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910575U IT221910Y1 (en) 1991-06-24 1991-06-24 PERFORMANCE QUALITY DISPENSER OF FLUID SUBSTANCE IN ACCORDION BAG
ITMI910575U 1991-06-24

Publications (1)

Publication Number Publication Date
EP0521278A1 true EP0521278A1 (en) 1993-01-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP92108276A Withdrawn EP0521278A1 (en) 1991-06-24 1992-05-15 Dispenser for dispensing predetermined quantities of fluid substance contained in a bellows-shaped bag

Country Status (2)

Country Link
EP (1) EP0521278A1 (en)
IT (1) IT221910Y1 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622311A2 (en) * 1993-04-30 1994-11-02 Shinko Kagaku Kabushiki Kaisha Liquid spray bottle
FR2710612A1 (en) * 1993-09-29 1995-04-07 Kerplas Snc Bottle for dispensing a product stored out of contact with the air
EP0666076A2 (en) * 1993-12-30 1995-08-09 L'oreal Water in oil emulsion containing retinol
US5873491A (en) * 1997-04-14 1999-02-23 Valois S.A. Set of components for assembly as a dispensing package of the non-vented type having an internal, collapsible bag
US5950880A (en) * 1997-04-14 1999-09-14 Valois S.A. Set of components for assembly as a dispensing package of the non-vented type having a take-up piston
EP1321192A1 (en) * 2001-12-18 2003-06-25 Yu Lung-You Atomizer with a bellows-shaped container body
KR100481617B1 (en) * 2001-12-20 2005-04-08 우륭유 Atomizer With a Bellows-Shaped Container Body
USRE39520E1 (en) 1998-11-19 2007-03-20 Seaquist Closures Foreign, Inc. Dispensing structure incorporating a valve-containing fitment for mounting to a container and a package with a dispensing structure
EP2111923A1 (en) * 2008-04-23 2009-10-28 Yung Hsing Lin Liquid dispensing device comprising a bellows reservoir
US7828173B2 (en) * 2003-04-28 2010-11-09 Coster Tecnologie Speciali S.P.A. Assembly consisting of a dispensing valve and a pouch in fluid-tight connection therewith
CN101885408A (en) * 2009-05-15 2010-11-17 基斯特-欧洲研究协会 Reservoir vessel and uses thereof
ITMI20091397A1 (en) * 2009-07-31 2011-02-01 Lumson Spa "CONTAINER ASSOCIATED WITH PUMPS AIRLESS AND METHOD FOR ITS REALIZATION"
FR2959729A1 (en) * 2010-05-05 2011-11-11 Rexam Dispensing Sys Bottle for distributing e.g. liquid product, has valve filling tank and allowing communication between product source and outlet tank to allow suction of product from product source in tank by elastic return of tank at dilated state
CN101600510B (en) * 2007-10-08 2012-09-05 卢姆森股份公司 Device for dispensing, by means of a pump, fluid substances contained under airtight conditions in a deformable bag housed in a rigid container
CN109160074A (en) * 2017-06-22 2019-01-08 阿贝尔服务 For equipping the proportioning device of container and the container including this device
JP2020019561A (en) * 2018-08-03 2020-02-06 株式会社パックプラス Fluid discharge container

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325572A1 (en) * 1975-09-25 1977-04-22 Erel Transparent containers with UV-impermeable plastics lining - pref. of aluminium-coated polyvinyl chloride
GB2083142A (en) * 1980-09-05 1982-03-17 Pfeiffer Kunststofftech Gmbh An apparatus for dispensing pasty or viscous media
EP0381627A1 (en) * 1989-01-31 1990-08-08 Alusuisse-Lonza Services Ag Two-chamber dispenser for a package under pressure or not
WO1991018798A1 (en) * 1990-06-06 1991-12-12 Reseal International Limited Partnership Fluid dispensing unit with one-way valve and metered outflow

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325572A1 (en) * 1975-09-25 1977-04-22 Erel Transparent containers with UV-impermeable plastics lining - pref. of aluminium-coated polyvinyl chloride
GB2083142A (en) * 1980-09-05 1982-03-17 Pfeiffer Kunststofftech Gmbh An apparatus for dispensing pasty or viscous media
EP0381627A1 (en) * 1989-01-31 1990-08-08 Alusuisse-Lonza Services Ag Two-chamber dispenser for a package under pressure or not
WO1991018798A1 (en) * 1990-06-06 1991-12-12 Reseal International Limited Partnership Fluid dispensing unit with one-way valve and metered outflow

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622311A2 (en) * 1993-04-30 1994-11-02 Shinko Kagaku Kabushiki Kaisha Liquid spray bottle
EP0622311A3 (en) * 1993-04-30 1995-05-10 Shinko Kagaku Kk Liquid spray bottle.
FR2710612A1 (en) * 1993-09-29 1995-04-07 Kerplas Snc Bottle for dispensing a product stored out of contact with the air
EP0666076A2 (en) * 1993-12-30 1995-08-09 L'oreal Water in oil emulsion containing retinol
EP0666076A3 (en) * 1993-12-30 1997-01-02 Oreal Water in oil emulsion containing retinol.
EP0953338A1 (en) * 1993-12-30 1999-11-03 L'oreal Packaging device for a product
US5873491A (en) * 1997-04-14 1999-02-23 Valois S.A. Set of components for assembly as a dispensing package of the non-vented type having an internal, collapsible bag
US5950880A (en) * 1997-04-14 1999-09-14 Valois S.A. Set of components for assembly as a dispensing package of the non-vented type having a take-up piston
USRE39520E1 (en) 1998-11-19 2007-03-20 Seaquist Closures Foreign, Inc. Dispensing structure incorporating a valve-containing fitment for mounting to a container and a package with a dispensing structure
EP1321192A1 (en) * 2001-12-18 2003-06-25 Yu Lung-You Atomizer with a bellows-shaped container body
KR100481617B1 (en) * 2001-12-20 2005-04-08 우륭유 Atomizer With a Bellows-Shaped Container Body
US7828173B2 (en) * 2003-04-28 2010-11-09 Coster Tecnologie Speciali S.P.A. Assembly consisting of a dispensing valve and a pouch in fluid-tight connection therewith
CN101600510B (en) * 2007-10-08 2012-09-05 卢姆森股份公司 Device for dispensing, by means of a pump, fluid substances contained under airtight conditions in a deformable bag housed in a rigid container
EP2111923A1 (en) * 2008-04-23 2009-10-28 Yung Hsing Lin Liquid dispensing device comprising a bellows reservoir
CN101885408A (en) * 2009-05-15 2010-11-17 基斯特-欧洲研究协会 Reservoir vessel and uses thereof
US20100287891A1 (en) * 2009-05-15 2010-11-18 Kist-Europe Forschungsgesellschaft Mbh Storage container and use of the storage container
US8550300B2 (en) * 2009-05-15 2013-10-08 KIST—Europe Forschungsgesellschaft mbH Storage container and use of the storage container
AU2010201824B2 (en) * 2009-05-15 2016-10-27 F. Holzer Gmbh Storage container and use of the storage container
ITMI20091397A1 (en) * 2009-07-31 2011-02-01 Lumson Spa "CONTAINER ASSOCIATED WITH PUMPS AIRLESS AND METHOD FOR ITS REALIZATION"
EP2279800A1 (en) * 2009-07-31 2011-02-02 Lumson S.p.A. Refill cartridge comprising a flexible bag surrounded by a protective sleeve
US20110024452A1 (en) * 2009-07-31 2011-02-03 Lumson S.P.A Container associable with airless pumps and method for its production
FR2959729A1 (en) * 2010-05-05 2011-11-11 Rexam Dispensing Sys Bottle for distributing e.g. liquid product, has valve filling tank and allowing communication between product source and outlet tank to allow suction of product from product source in tank by elastic return of tank at dilated state
CN109160074A (en) * 2017-06-22 2019-01-08 阿贝尔服务 For equipping the proportioning device of container and the container including this device
JP2020019561A (en) * 2018-08-03 2020-02-06 株式会社パックプラス Fluid discharge container

Also Published As

Publication number Publication date
ITMI910575U1 (en) 1992-12-24
IT221910Y1 (en) 1994-12-06
ITMI910575V0 (en) 1991-06-24

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