WO2012134498A1 - Ensemble de distribution - Google Patents

Ensemble de distribution Download PDF

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Publication number
WO2012134498A1
WO2012134498A1 PCT/US2011/030943 US2011030943W WO2012134498A1 WO 2012134498 A1 WO2012134498 A1 WO 2012134498A1 US 2011030943 W US2011030943 W US 2011030943W WO 2012134498 A1 WO2012134498 A1 WO 2012134498A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve head
pressure
dispensing assembly
applying members
Prior art date
Application number
PCT/US2011/030943
Other languages
English (en)
Inventor
David J. Gaus
Original Assignee
Aptargroup, Inc.
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 Aptargroup, Inc. filed Critical Aptargroup, Inc.
Priority to PCT/US2011/030943 priority Critical patent/WO2012134498A1/fr
Publication of WO2012134498A1 publication Critical patent/WO2012134498A1/fr

Links

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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
    • B65D83/0811—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media

Definitions

  • the present invention relates generally to structures for dispensing articles or fluent substances, and more particularly to a dispensing assembly including a resiliently flexible valve, and associated valve retainer, wherein the retainer is configured to apply pressure to portions of the valve to increase the seal created by the valve.
  • Valves of this nature are flexible and resilient, and have one or more self-sealing slits. This type of valve is normally closed, but typically provides dispensing by the creation of a pressure differential across the valve.
  • duckbill valve which includes a valve head having a generally inwardly tapering configuration, with a single, self-sealing slit at a free end thereof. While this type of valve can be advantageously employed for dispensing different types of articles and substances, it is recognized that duckbill valves can be subject to low pressure leakage, and may allow ingress of fluid to pass inwardly through the valve structure.
  • the present invention is directed to a dispensing assembly including a resiliently flexible, self-sealing valve, and an associated valve retainer which is configured to apply pressure to portions of the valve in order to increase the opening resistance of the valve so that the valve forms a tighter seal with the associated container.
  • a dispensing assembly which can be used within an associated container, or other fluid or article management system, includes a resiliently flexible valve, and an associated valve retainer which extends generally about the valve.
  • the valve includes a valve head having a first and second side, and at least one self-sealing slit, with a plurality of confronting, openable portions along the self-sealing slit.
  • the openable portions are moveable generally from a closed configuration to an open configuration to open a dispensing orifice defined by the valve head.
  • the dispensing assembly includes a plurality of pressure-applying members configured to respectively apply pressure to the openable portions of the valve head.
  • the present dispensing assembly includes a valve including a peripheral attachment portion, and a flexible, resilient valve head joined to the peripheral attachment portion.
  • the valve head has a first side and a second side, and at least one self-sealing slit extending therethrough.
  • the valve head has a plurality of confronting, openable portions along the at least one slit, to define an initially closed dispensing orifice.
  • the openable portions are moveable generally from a closed configuration to an open configuration to open the dispensing orifice.
  • the present dispensing assembly further includes a plurality of pressure-applying members operatively associated with the valve for respectively applying pressure to the openable portions of the valve head of the associated valve.
  • the pressure-applying members act to increase the resistance to opening of the openable portions to the open configuration of the valve.
  • the pressure-applying members desirably act to prevent low pressure leakage out of the valve, and prevent, or at least minimize, reverse flow into the valve.
  • the dispensing assembly of the present invention may be characterized as including the combination of the valve and the structure having such pressure-applying members.
  • the pressure-applying members are provided as part of a valve retainer which extends about the valve, and which functions to attach the valve to an associated container or other fluid management or article management system.
  • a valve retainer which extends about the valve, and which functions to attach the valve to an associated container or other fluid management or article management system.
  • the optional provision of the valve retainer in combination with the valve facilitates assembly with an associated container or other structure.
  • the valve of the dispensing assembly includes an intermediate portion joining the peripheral attachment portion and the valve head.
  • the valve head has a pair of intersecting, self-sealing slits, with four openable portions provided.
  • the dispensing assembly has four of the pressure-applying members for respectively applying pressure to the openable portions of the valve head.
  • the pressure-applying members respectively apply pressure to the openable portions of the valve head generally at the periphery of the valve head. In alternate embodiments, the pressure-applying members are configured to apply pressure to the openable portions of the valve head at a region spaced from the periphery of the valve head.
  • the valve head has a pair of intersecting, generally inwardly tapering portions, with the pair of self-sealing slits respectively provided at the free edges of the inwardly tapering portions.
  • the valve head includes a portion that has a generally frustoconical configuration, with the dispensing assembly having four of the pressure-applying members for respectively engaging the openable portions of the valve head.
  • the valve head has a generally inwardly tapering configuration, with a single, self-sealing slit provided at a free end thereof.
  • the associated valve retainer has a pair of the pressure-applying members for respectively engaging the openable portions of the valve head generally at respective opposite sides of the self-sealing slit.
  • each of the pressure-applying members has a generally elongate configuration, engaging the respective one of the openable portions of the valve head at a region spaced from the periphery of the valve head.
  • Each of the pressure- applying members preferably has a non-linear configuration, and includes an intermediate portion spaced from the valve head in the closed configuration of the valve.
  • FIG. 1 is an isometric view of a first embodiment of a dispensing assembly of the present invention, shown with an associated container, in a dispensing configuration;
  • FIG. 2 is a cross-sectional view taken generally along the plane 2-2 of FIG. 1;
  • FIG. 3 is a cross-sectional view taken generally along the plane 3-3 of FIG. 2;
  • FIG. 4 is an isometric view of this embodiment of the present dispensing assembly shown prior to installation on the associated container, and illustrating dispensing of an article there through;
  • FIG. 5 is cross-sectional view taken generally along the plane 5-5 of FIG. 4;
  • FIG. 6 is a cross-sectional view taken generally along the plane 6-6 of FIG. 4;
  • FIG. 7 is a further isometric view of the dispensing assembly shown in FIG. 4, taken generally from a rear surface thereof;
  • FIG. 8 is an isometric view of the present dispensing assembly, taken generally from a forward surface thereof, prior to fitment to an associated container, in a closed, non- dispensing configuration;
  • FIG. 9 is an isometric view of the present dispensing assembly, taken generally from a rear surface thereof;
  • FIG. 10 is a cross-sectional view taken along the plane 10-10 of FIG. 8;
  • FIG. 11 is a cross-sectional view taken generally along the plane 11-11 of FIG. 8;
  • FIG. 12 is an isometric, exploded view of the present dispensing assembly, taken generally from a forward perspective thereof;
  • FIG. 13 is an isometric, exploded view of the present dispensing assembly, taken generally from a rear perspective view thereof;
  • FIG. 14 is a cross-sectional view taken generally along the plane 14-14 of FIG. 12;
  • FIG. 15 is a cross-sectional view taken generally along the plane 15-15 of FIG. 12;
  • FIG. 16 is a cross-sectional view taken generally along the plane 16-16 of FIG. 12;
  • FIG. 17 is a cross-sectional view taken generally along the plane 17-17 of FIG. 12;
  • FIG. 18 is an isometric view of a further embodiment of the dispensing assembly of the present invention, shown in a non-dispensing closed configuration, prior to installation on an associated container or like structure;
  • FIG. 19 is an isometric, exploded view of the dispensing assembly as shown in FIG.
  • FIG. 20 is a cross-sectional view taken generally along plane 20-20 in FIG. 18;
  • FIG. 21 is an isometric view of a valve of the dispensing assembly shown in FIG. 18;
  • FIG. 22 is a cross-sectional view taken generally along the plane 22-22 of FIG. 21;
  • FIG. 23 is a cross-sectional view taken generally along the plane 23-23 of FIG. 21;
  • FIG. 24 is an isometric view of a further alternative embodiment of the dispensing assembly of the present invention shown in a non-dispensing, closed configuration, prior to installation on an associated container or like structure;
  • FIG. 25 is an isometric, exploded view of the dispensing assembly as shown in FIG.
  • FIG. 26 is a cross-sectional view taken generally along the plane 26-26 in FIG. 24;
  • FIG. 27 is an isometric view of a further alternative embodiment of the dispensing assembly of the present invention, shown in a non-dispensing, closed configuration, prior to installation on an associated container or like structure;
  • FIG. 28 is an isometric, exploded view of the dispensing assembly as shown in FIG.
  • FIG. 29 is a cross-sectional view taken generally along the plane 29-29 in FIG. 27;
  • FIG. 30 is an isometric view of a further alternative embodiment of the dispensing assembly of the present invention, shown in a non-dispensing, closed configuration prior to installation on an associated container or like structure;
  • FIG. 31 is an isometric, exploded view of the dispensing assembly shown in FIG. 30.
  • FIG. 32 is a cross-sectional view taken generally along the plane 32-32 in FIG. 30.
  • dispensing assembly in a typical "upright” orientation that the dispensing assembly may have when installed on an associated container or like structure in an upright orientation, and terms such as upper, lower, horizontal, etc. are used with reference to this orientation. It will be understood, however, that the dispensing assembly of this invention may be manufactured, stored, transported, used, and sold at an orientation other than the positions described.
  • the dispensing assembly of this invention is suitable for use with a variety of conventional or special containers or associated structures, including containers having various designs, the details of which, although not illustrated or described, would be apparent to those having skill in the art and an understanding of such containers.
  • the container, per se, as referred to herein forms no part of, and therefore is not intended to limit, the dispensing assembly of the present invention. It will also be understood by those of ordinary skill that novel and non-obvious inventive aspects are embodied in the dispensing assembly alone.
  • FIGS. 1-17 illustrate a first embodiment of the dispensing assembly of the present invention, which is designated generally by the reference numeral 20.
  • dispensing assembly 20 comprises a resiliently flexible valve 22, and an associated valve retainer 24, with these components facilitating assembly together as a unit, for subsequent use of the dispensing assembly with an associated container or like structure.
  • FIGS. 1-3 illustrate the dispensing assembly 20 mounted on an associated container 26 which is configured to dispense individual medical test strips T through the dispensing assembly.
  • the mechanism in the container for moving the strip T from the container 26 through the dispensing assembly 20 is not shown, and such a mechanism forms no part of the present invention.
  • the illustrated form of the dispensing assembly 20, including valve 22, is adapted to be used with a container or like structure having an opening to provide access to the container interior and a product contained therein.
  • the dispensing assembly 20 can be used to dispense articles (e.g., test strip T) and also substances, including, but not limited to, relatively low or high viscosity liquids, creams, gels, suspensions, mixtures, lotions, etc.
  • compositions for use in activities involving manufacturing, commercial or household maintenance, construction, agricultural, medical treatment, military operations, medical devices, drug-delivery systems, drug therapy applications, enteral feeding, gravity-fed systems, and beverage dispensers, etc. e.g., compositions for use in activities involving manufacturing, commercial or household maintenance, construction, agricultural, medical treatment, military operations, medical devices, drug-delivery systems, drug therapy applications, enteral feeding, gravity-fed systems, and beverage dispensers, etc.
  • the illustrated container 26 may be of a generally rigid construction, and configured such that test strips T are individually positioned generally within, and dispensed by, dispensing assembly 20.
  • the container per se forms no part of the present invention.
  • the resiliently flexible valve 22 may be characterized as having a number of portions that include at least two basic portions: (1) a dispensing valve head 28 and (2) a peripheral attachment portion 30.
  • the valve 22 is preferably molded as a unitary structure from material which is preferably flexible, pliable, elastic, and resilient. This can include elastomers such as synthetic, thermosetting polymers, including silicone rubber, such as silicone rubber sold in the United States of America by Dow Corning Corp. and Wacker Silicone Company.
  • the valve 22 can be molded from thermosetting materials or from elastomeric materials, or from thermoplastic polymers or thermoplastic elastomers, including those based upon materials such as thermoplastic polypropylene, ethylene, urethane, and styrene, including halogenated counterparts.
  • thermoplastic polypropylene ethylene, urethane, and styrene, including halogenated counterparts.
  • FIGS. 1-17 and particular reference to FIGS. 14-15, the configuration of the illustrated valve 22 will be described.
  • This type of valve is sometimes referred to as having a duckbill configuration, by virtue of the valve head 28 having a generally inwardly tapering configuration.
  • the valve 22 includes an intermediate portion 32 extending inwardly of peripheral attachment portion 30, with the flexible, resilient valve head 28 extending from the intermediate portion 32.
  • the valve head has a first side and a second side, and a single, self-sealing slit extending through the valve head, with a pair of confronting, openable portions 36 provided along respective opposite sides of the self-sealing slit 34 to define an initially closed dispensing orifice of the valve (e.g., FIG. 12).
  • the openable portions 36 are moveable generally from a closed configuration to an open configuration (e.g., FIGS. 1-7) to open the dispensing orifice of the valve.
  • the intermediate portion 32 of the valve 20 defines a substantially continuous shoulder 38 (FIGS. 13-15) adjacent the periphery of the valve head 28. As will be further described, this shoulder cooperates with the pressure-applying members of the associated valve retainer 24 to maintain the components of the assembly in an assembled condition for cooperation together.
  • the design takes advantage of the straight, self-sealing slit 34 typically provided in this style of duckbill valve.
  • this style of valve typically exhibits low pressure leakage, and may allow water vapor to enter into the associated container through the dispensing assembly (in typical applications, pressures are virtually equal from outside to inside of the dispensing assembly).
  • the retainer 24 of the dispensing assembly has been specifically configured to apply pressure to the valve head 28 of the valve 22 in order to enhance the seal typically provided by the valve structure.
  • the pressure applying members of the retainer can deflect outwardly allowing the strip to pass through the self-sealing slit 34, yet act to minimize and prevent the outside environment from entering into the associated container through the dispensing assembly.
  • the retainer 24 extending about the valve 22 includes a pair of pressure- applying members 40 (FIGS. 11) respectively engaging the openable portions 36 of the valve head 28 of the valve 22.
  • the pressure applying members 40 have a generally elongate configuration, with the pressure-applying members of this embodiment of the present invention decreasing in thickness in a direction toward a free end thereof.
  • each of the pressure-applying members 40 is configured to engage a respective one of the openable portions 36 at a region spaced from a periphery of the valve head.
  • Each of the pressure-applying members 36 has a non- linear configuration, including an intermediate portion spaced from the valve head in the closed configuration of the valve.
  • each of the pressure-applying members 36 is configured for engagement with the annular shoulder 38 of the valve 22.
  • the pressure-applying members 40 act to increase the resistance to opening of the openable portions 36 of the valve to the open configuration thereof.
  • valve and retainer of the assembly can be pre-assembled, as a unit, for storage and/or shipment, and for subsequent attachment and mounting on an associated container such as 26.
  • the valve and retainer are configured for cooperation to maintain them in an assembled state.
  • the retainer 24 defines a peripheral abutment portion 42 (FIG. 11) for engagement with, and disposition generally between, attachment portion 30 of valve 22, and the shoulder 38 of the valve to thereby maintain the valve and retainer in an assembled condition.
  • the abutment portion 42 defines a peripheral retention bead 44 (FIG. 10) configured for inter engagement with and retention by a suitable bead 46 on the container 26 (see FIG. 3).
  • the retainer preferably further includes a pair of positioning flanges 48 (FIG. 13) which extend generally between the pair of pressure- applying members 36 for engagement with the attachment portion 30 of the valve 22 (see FIG. 10).
  • the dispensing assembly 20 including the valve 22 and retainer 24, can fit within part of the container 26, and be held in generally captive relationship therein by the cooperation of retention bead 44 with the bead 46 on the container.
  • Articles, such as exemplary test strips T, can thereby be dispensed through the dispensing orifice of the dispensing assembly 20, with the pressure applying members 26 acting to increase the resistance to opening of the openable portions 36 of the valve head 22 of the valve.
  • Other articles that can be dispensed include articles for applications such as noted above.
  • the pressure-applying members which co- act with the openable portions of the valve can be provided as part of a structure other than an associated valve retainer.
  • the valve can be used without an associated retainer (e.g., the valve could be directly snap-fit or bonded to the container), and the pressure-applying members could instead provided on another associated structure, such as directly on the container 26.
  • FIGS. 18-23 illustrate a second embodiment of the dispensing assembly of the present invention designated generally by the reference numeral 20A. While this embodiment, like the previously-described embodiment, includes a valve having a single, self-sealing slit, this embodiment includes a retainer having pressure-applying members which respectively apply pressure to openable portions of the valve head generally at the periphery of the valve head.
  • the dispensing assembly 20A includes a valve 22A having a circular, disk- like configuration, with the dispensing assembly further including a generally annular valve retainer 24A extending about the valve 22A.
  • the dispensing assembly 20A is configured for fitment to an associated container, not shown.
  • the valve 22A includes a circular valve head 28A, and a peripheral attachment portion 3 OA, with an intermediate portion 32A extending inwardly from the attachment portion 3 OA, with the valve head extending from the intermediate portion.
  • the valve 22A has a first side and a second side, and defines a single, self- sealing slit 34A through the valve head 28A, with a valve head having a pair of confronting, openable portions 36A along respective opposite sides of the self-sealing slit 34A to define an initially closed dispensing orifice.
  • the openable portions 36A are moveable generally from a closed configuration to an open configuration to open the dispensing orifice of the valve.
  • Dispensing assembly 20A further includes a valve retainer 24A extending about the valve 22A, with the retainer including a pair of diametrically opposed pressure-applying members 40 A for respectively applying pressure to the openable portions 36A of the valve head.
  • the pressure-applying members act to increase the resistance to opening of the openable portions 36A to the open configuration of the valve.
  • the pressure-ap lying members 40 A respectively apply pressure to the openable portions 36A of the valve head generally at the periphery of the valve head.
  • the annular retainer 24A includes a peripheral abutment portion 42A configured for cooperative interaction with an associated container for mounting the dispensing assembly in operative association therewith.
  • the pressure-applying members co-act with the openable portions with the valve head to increase the resistance to opening of the valve structure.
  • valve head 28A has a slightly larger outside diameter than an inside diameter defined by pressure-applying members 40A
  • the valve is maintained in operative association with the retainer so that these components of the dispensing assembly can be conveniently mounted, as a unit, as on an associated container or like structure.
  • valve head of the valve of the dispensing assembly defines a pair of intersecting self-sealing slits, with the valve head defining four confronting opening portions, and the associated valve retainer having four pressure-applying members respectively cooperating with the openable portions of the valve head.
  • the dispensing assembly designated 20B, includes a valve 22B, and an annular valve retainer 24B extending about the valve.
  • the valve 22B includes a disclike, flexible, resilient valve head 28B that extends from a peripheral attachment portion 30B.
  • the valve further includes an intermediate portion 32B extending inwardly from the attachment portion 30B, with the valve head 28B extending from the intermediate portion.
  • the valve head has a first side and a second side, a pair of intersecting, self-sealing slits 34B to define an initially closed dispensing orifice for the valve.
  • the valve head includes four confronting openable portions 36B along the self-sealing slits 34B.
  • the openable portions 36B are movable generally from a closed configuration to an open configuration to open the dispensing orifice of the valve.
  • the annular valve retainer 24B has a plurality of pressure-applying members 40B which respectively apply pressure to the openable portions 36B of the valve head 28B.
  • the pressure-applying members thereby act to increase the resistance to opening of the openable portions 36B to an open condition.
  • the pressure-applying members 40B respectively apply pressure to the openable portions of the valve head generally at the periphery of the valve head 28B.
  • valve retainer 24A, 24B can be configured to include an outwardly tapered guide surface, such as shown in phantom line in FIG. 26, which extends outwardly from the periphery of the valve head of the associated valve.
  • FIGS. 27 to 29 illustrate a further embodiment of the dispensing assembly of the present invention, designated generally by the reference numeral 20C.
  • this embodiment of the dispensing assembly of the present invention includes a valve having a pair of intersecting, self-sealing slits defining an initially closed dispensing orifice, with the valve including four openable portions movable generally from a closed configuration to an open configuration to open the dispensing orifice.
  • An associated annular valve retainer includes four pressure-applying members in respective engagement with the openable portions of the valve, which pressure-applying members act to increase the resistance to opening of the openable portions of the valve.
  • this embodiment of the present dispensing assembly includes a valve having a valve head with a generally frustoconical configuration, with the associated annular valve retainer configured to co-act with the openable portions of the frustoconically shaped valve head.
  • the dispensing assembly 20C includes a valve 22C, and an annular valve retainer 24C extending around the valve 22C.
  • the valve 22C includes a valve head 28C which extends from a peripheral attachment portion 30C, with an intermediate portion 32C extending inwardly from the attachment portion 30C, and the valve head 28C extending from the intermediate portion 32C.
  • valve head 28C has a generally frustoconical configuration, and has a first side and a second side, and a pair of intersecting self-sealing slits 34C to define an initially closed dispensing orifice of the valve.
  • the valve head 28C has four openable portions 36C along the self-sealing slits, which openable portions are movable generally from a closed configuration to an open configuration to open the dispensing orifice of the valve.
  • the associated valve retainer 24C includes a plurality of pressure-applying members 40C for respectively applying pressure to the openable portions 36C of the valve head 28C.
  • the pressure-applying members 40C act to increase the resistance to opening of the openable portions 36C to the open configuration of the valve.
  • each pressure-applying member 40C is configured to engage and apply pressure to a respective one of the openable portions 36C at a region spaced from a peripheral portion of the valve head 28C, with each pressure-applying member having an intermediate portion spaced from the valve head 28C.
  • valve retainer 24C has an annular abutment portion 42C which fits generally about the exterior of attachment portion 30C of valve 22C.
  • valve and retainer of the dispensing assembly are configured for assembly, as a unit, to an associated container or like structure, thereby facilitating convenient use of the assembly.
  • FIGS. 30-32 illustrate a further embodiment of the present invention, generally designated 20D.
  • the valve of this embodiment of the present dispensing assembly includes a pair of intersecting, self-sealing slits.
  • the valve head has a pair of intersecting, generally inwardly tapering portions, and is sometimes referred to as a "dual duckbill" valve.
  • the dispensing assembly 20D includes a resiliently flexible valve 22D including a resilient valve head 28D that extends from a peripheral attachment portion 30D, with an intermediate portion 32D extending inwardly of the attachment portion, and the valve head 28D extending from the intermediate portion.
  • the valve head 28D has a first side and a second side, and a pair of intersecting, self-sealing slits 34D extending through the valve head.
  • the valve head includes four openable portions 36D along the self-sealing slits 34D, to define an initially closed dispensing orifice.
  • the openable portions 36D are movable generally from a closed configuration to an open configuration, to open the dispensing orifice.
  • valve head 28D has a pair of intersecting, generally inwardly tapering portions, with the pair of self-sealing slits 34D respectively provided at the free edges of the inwardly tapering portions which define the openable portions 36D of the valve head.
  • valve retainer of the dispensing assembly includes a plurality of pressure-applying members which are configured to engage and apply pressure to the openable portions of the valve head at a region spaced from the periphery of the valve head.
  • valve retainer 24D includes a plurality of pressure-applying members 40D configured to respectively engage and apply pressure to the openable portions 36D of the valve head 28D.
  • each of the pressure-applying members 40D has a bifurcated configuration for engagement with the respective openable portion 36D at a pair of laterally spaced regions of the respective openable portion.
  • the valve retainer 24D includes an annular abutment portion 42D which fits generally about the peripheral attachment portion 30D of the valve 22D, with the abutment portion 42D facilitating mounting of the dispensing assembly on an associated container or like structure.
  • this configuration of the dispensing assembly facilitates dispensing of articles which may be circular, rod-like, generally flat, or otherwise configured.
  • This embodiment may also be used to dispense an article that has a cross-shaped configuration. Like the previously described embodiments, this embodiment may also be used to dispense fluent substances.

Abstract

L'invention porte sur un ensemble de distribution (20, 20A, 20B, 20C, 20D) qui comporte une vanne élastiquement souple (22, 22A, 22B, 22C, 22D). La vanne comprend au moins une fente auto-obturatrice (34, 34A, 34B, 34C, 34D) et une pluralité de parties opposées et pouvant être ouvertes (36, 36A, 36B, 36C, 36D) le long d'au moins une fente afin de définir un orifice de distribution initialement fermé. L'ensemble de distribution comprend une pluralité d'éléments d'application de pression (36, 36A, 36B, 36C, 36D) appliquant respectivement une pression aux parties pouvant être ouvertes.
PCT/US2011/030943 2011-04-01 2011-04-01 Ensemble de distribution WO2012134498A1 (fr)

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PCT/US2011/030943 WO2012134498A1 (fr) 2011-04-01 2011-04-01 Ensemble de distribution

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PCT/US2011/030943 WO2012134498A1 (fr) 2011-04-01 2011-04-01 Ensemble de distribution

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WO2012134498A1 true WO2012134498A1 (fr) 2012-10-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015092452A1 (fr) * 2013-12-21 2015-06-25 FAZEKAS, Gábor Élément de fermeture valvulaire, chapeau de fermeture comprenant l'élément de fermeture valvulaire, et procédé et appareil de fabrication de l'élément de fermeture valvulaire
US10814122B2 (en) 2015-10-30 2020-10-27 Aptargroup, Inc. Flow control valve

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US20040040987A1 (en) * 2000-07-24 2004-03-04 Ramsey Christopher Paul Energising ring for a closure membrane
US20070295764A1 (en) * 2006-06-21 2007-12-27 Socier Timothy R Flexible, elongate dispensing valve

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US20040040987A1 (en) * 2000-07-24 2004-03-04 Ramsey Christopher Paul Energising ring for a closure membrane
US20070295764A1 (en) * 2006-06-21 2007-12-27 Socier Timothy R Flexible, elongate dispensing valve

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WO2015092452A1 (fr) * 2013-12-21 2015-06-25 FAZEKAS, Gábor Élément de fermeture valvulaire, chapeau de fermeture comprenant l'élément de fermeture valvulaire, et procédé et appareil de fabrication de l'élément de fermeture valvulaire
CN105899438A (zh) * 2013-12-21 2016-08-24 加博尔·福泽考什 阀式封闭元件、包括阀式封闭元件的封闭盖以及用于制造阀式封闭元件的方法和设备
US9914570B2 (en) 2013-12-21 2018-03-13 Gabor Fazekas Valvular closure element, closure cap comprising the valvular closure element, and a method and an apparatus for manufacturing the valvular closure element
RU2660059C2 (ru) * 2013-12-21 2018-07-04 ФАЗЕКАШ, Габор Клапанный укупорочный элемент, укупорочная крышка, содержащая клапанный укупорочный элемент, и способ и устройство для изготовления клапанного укупорочного элемента
US10814122B2 (en) 2015-10-30 2020-10-27 Aptargroup, Inc. Flow control valve

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