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EP1720773A1 - Fermeture pour recipient contenant une matiere coulante - Google Patents

Fermeture pour recipient contenant une matiere coulante

Info

Publication number
EP1720773A1
EP1720773A1 EP05715744A EP05715744A EP1720773A1 EP 1720773 A1 EP1720773 A1 EP 1720773A1 EP 05715744 A EP05715744 A EP 05715744A EP 05715744 A EP05715744 A EP 05715744A EP 1720773 A1 EP1720773 A1 EP 1720773A1
Authority
EP
European Patent Office
Prior art keywords
closure according
diaphragm valve
container
closure
base
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.)
Granted
Application number
EP05715744A
Other languages
German (de)
English (en)
Other versions
EP1720773B1 (fr
Inventor
Gerhard Franz Karl JÄCKEL
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.)
Aptar Freyung GmbH
Original Assignee
Seaquist Loeffler Kunststoffwerk GmbH
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 Seaquist Loeffler Kunststoffwerk GmbH filed Critical Seaquist Loeffler Kunststoffwerk GmbH
Publication of EP1720773A1 publication Critical patent/EP1720773A1/fr
Application granted granted Critical
Publication of EP1720773B1 publication Critical patent/EP1720773B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • 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
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • 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
    • B65D47/2037—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 the element being opened or closed by actuating a separate element which causes the deformation, e.g. screw cap closing container slit
    • 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
    • B65D47/32—Closures with discharging devices other than pumps with means for venting

Definitions

  • the invention relates to a closure for a container containing flowable material according to the preamble of patent claim 1.
  • the preamble of claim 1 takes into account the prior art known from DE 44 17 569 A1, in which a closure for a container containing flowable material is described.
  • This closure has a fixed lower part which can be tightly fastened on a container neck and a cover with an outwardly projecting pipe socket, a movable upper part on the lower part being coaxially movable between an outer position and an inner position.
  • the invention is therefore based on the object of making available a closure which enables a very sensitive delivery of desired amounts of the flowable material contained in the container with an extremely simple construction of the closure.
  • the invention solves this problem in that the diameter of the bottom of the diaphragm valve is dimensioned larger than the clear cross section of the pipe socket, the outer end of which constantly supports the bottom of the diaphragm valve, so that the bottom is exerted by exerting an axial pressure on the upper part in the direction of the container of the diaphragm valve is curved outwards and the openings in the base are open.
  • the opening process of the diaphragm valve can be controlled or controlled extremely sensitively by actuating the upper part of the closure.
  • the closure can be used depending on the type of container made of glass or plastic with a solid or flexible wall serving to squeeze the contents of the container, both in an upside-down position and in a more or less upright position for dispensing flowable material of various viscosities.
  • the upper part which contains the discharge opening for the flowable material, can be provided with a hinged lid for closing the discharge opening, which is possibly also connected to the upper part by a film hinge and forms a single component with the latter.
  • a protective cap for covering the upper part, which is detachably attached to the lower part.
  • a spring element can also be used between the lower part and the upper part, which reinforces the biasing force of the diaphragm valve acting on the upper part.
  • the closure as usual, can be screwed onto the container, bounced or welded to the container or can also be provided as a uniform component of the container.
  • FIG. 1 shows a first embodiment of a closure in the closed position in a perspective view with a lateral discharge opening in the upper part
  • FIG. 2 shows a central longitudinal section of the closure from FIG. 1,
  • FIG. 3 shows a further central longitudinal section of the closure in FIG. 1, which is offset by 90 ° with respect to the sectional view of FIG. 2,
  • FIG. 4 shows a second embodiment of a closure with a modified upper part with an opened cover according to the invention in a perspective view
  • FIG. 5 shows a central longitudinal section of the closure of FIG. 4,
  • FIG. 6 the closure according to FIG. 5 with a spring element clamped between the lower part and the upper part
  • FIG. 7 shows the closure according to FIG. 6 in the actuated open position
  • Fig. 8 is a diaphragm valve in plan view
  • Fig. 9 shows an upper part of the closure with a vent opening in a perspective top view.
  • a closure 10 is shown for a container, not shown, which contains flowable goods, such as sun creams or oils, shaving creams or gels, sauces, ketchup or the like.
  • the container usually has a neck provided with an outlet opening, wherein the closure can be attached to the outlet opening of the container by screwing, bouncing or welding. If appropriate, the container and closure can also be formed in one piece.
  • the container can be made of a solid material, such as glass or ceramic, or also of plastic, the walls of a plastic container being rigid or flexible could be. Preferably, the container should be able to be emptied in an overhead position.
  • the closure 10 consists of a fixed lower part 12 and a movable upper part 14, the closure 10 with the lower part 12 being arranged at the outlet opening of the container as described.
  • the lower part 12 has a cap shape with a circumferential jacket 16, which is preferably cylindrical or oval, but also others, e.g. can have angular shapes.
  • the jacket 16 can be provided with an internal thread that can be screwed onto an external thread on the container neck, or it can be arched or ring-shaped locking beads on the inner surface of the jacket 16 for bouncing off or overlapping corresponding projections on the container neck for fastening the closure on the Containers may be provided.
  • the closure with the container can also
  • the lower part 12 is provided with a cover 18 which has a pipe socket 20 which tapers conically inwards and outwards and ends in a central passage opening 22 which is coaxial with the main axis xx.
  • a cylindrical guide stub 24 extends at a radial distance outside the pipe stub 20, but, forming an annular stop shoulder 26, at a radial distance from the circumference of the jacket 16 to the height of the pipe stub 20 to the outside.
  • the outside of the guide socket 24 is at the outer end provided at least one bead-like projection 28 which extends at the same height in a ring or arc shape around the guide stub 24.
  • the upper part 14 is also shaped like a cap and is provided with a guide jacket 30 which overlaps the guide socket 24 on the outside and is guided on and displaceable coaxially thereon.
  • the inner peripheral surface of the guide jacket 30 is also provided at the inner end with at least one bead-like projection 32, which also extends at the same height in a ring or arc shape over the inner peripheral surface of the guide jacket 30, but, as shown in FIGS. 2 and 3, below the Projection 28 is arranged.
  • the at least one projection 28 of the lower part 12 and the at least one projection 32 of the upper part 14 form a stop or locking device which determines the outer or upper rest position of the upper part 14.
  • the stop shoulder 26 of the lower part 12 limits the actuation stroke of the upper part 14.
  • a head wall 34 of the upper part 14 extends perpendicular to the main axis xx of the closure 10 and is provided in the middle of its underside with an inlet opening 36 for the flowable container contents.
  • the inlet opening 36 opens into an outlet channel 38 (FIG. 3) which extends radially outward through the top wall 34 extends and ends in a dispensing opening 40.
  • a preferably annular holder 52 for the diaphragm valve 42 protrudes from an inner or lower side 54 of the head wall 34 over a small axial length and at a radial distance from the guide jacket 30.
  • a diaphragm valve 42 is arranged between the lower part 12 and the upper part 14 and, as shown in FIGS. 2 and 3, has a shell-shaped or cup-shaped part 44 with an approximately cylindrical outer wall 46, a slightly curved inward or downward bottom 48 and one flange-like, radially outwardly reinforced outer edge 50.
  • the diaphragm valve 42 or at least its base 48 consist of a flexible material, such as silicone, rubber or rubber, or a plastic, such as polyethylene or a similar elastomeric material.
  • the outer edge 50 of the diaphragm valve 42 lies with its outside on the underside 54 of the head wall 34 and on the annular inner surface of the holder 52 with its radially outer surface in a sealing manner.
  • the diaphragm valve 42 is supported with its bottom 48 on the upper mouth of the pipe socket 20 and seals the pipe socket 20 and thus the container arranged below it, not shown in the drawings, in the closed position shown in FIGS. 2 and 3.
  • the diaphragm valve 42 is clamped axially between the lower part 12 and the upper part 14 in such a way that the movable upper part 14 is constantly in the direction of its closed position shown in FIGS. 2 and 3 and fixed by the projections 28, 32 through the diaphragm valve 42
  • the base 48 is provided with at least one slot-shaped opening 45 in its center at a radial distance from the ring-shaped contact line or surface with the upper end face 43 of the pipe socket 20, which opening is designed in such a way that it opens when the upper part 14 is moved in the opening direction, ie in the direction of the container or inwards or downwards by an operator, as will be described in more detail below.
  • the base 48 preferably contains a plurality of slot-like openings 45, which are arranged on a surface of the base 48 which is smaller than the clear cross section of the passage opening 22 of the pipe socket 20.
  • a plurality of slots 47 are shown, which extend diametrically through the center of the base 48 in the same circumferential angular intervals.
  • the ends of the slots 47 lie at an appropriate radial distance from the annular end face 43 of the pipe socket 20 and, as a result, have a shorter length than the clear cross section of the passage opening 22 of the pipe socket 20.
  • the slots 47 therefore delimit triangular closure flaps 49 (FIGS. 7 and 8), the tip of which lies in the region of the center of the membrane base 48 and which can curve or bend outwards around its base in the opening direction (FIG. 7).
  • the compressive force is transmitted from the flange-like outer edge 50 of the diaphragm valve 42 via its cylindrical wall 46 to the outer edge 51 of the bottom 48 of the diaphragm valve 42 lying outside the end face of the pipe socket 20.
  • this outer edge 51 of the base 48 is pressed inwards or downwards by the end face 43 of the pipe socket 20 on the outside thereof and beyond the end face 43 thereof, and the floor 48 above the passage opening 22 of the pipe socket 20 expands at least the membrane base 48 via the elastic material curved outside, so that the triangular closure flaps 49 formed by the slot-like openings in the bottom 48 of the diaphragm valve 42 leave their closed position lying approximately in the plane of the bottom 48 and are bent outwards around their base and thereby opened, so that the flowable material from the Containers can be dispensed in a quantity determined by the opening dimension of the membrane base 48.
  • the resilient resilience of the membrane part 42 is designed so large that it resumes its cup or shell shape and thereby raises the upper part 12 into its outer or upper starting or rest position.
  • the bottom 48 therefore returns to its closed position shown in FIGS. 2 and 3, the closing flaps 49 closing again in the plane of the bottom 48 and sealing the passage opening 22 of the pipe socket 20.
  • the membrane valve 42 fulfills additional functions in addition to the actual function as a valve, namely the sealing of the container interior on the pipe socket 20 to the outside and, as a return spring, the constant exercise
  • punctiform perforations can also be provided in the diaphragm valve 42, as long as their ability is ensured to securely seal the passage opening 22 of the pipe socket 20 when the diaphragm valve 42 is closed and when the diaphragm is actuated Upper part 12 to open sufficiently.
  • FIGS. 4 and 5 differs from the first only in a modified shape of an upper part 60, while the lower part 12 and the diaphragm valve 42 of FIG correspond to the first embodiment.
  • the upper part 60 has a head wall 62, from which extends a central, outwardly directed, tubular dispensing nozzle 64, which is also suitable as a drinking nozzle in the event that the container content is a drink.
  • the delivery nozzle 64 is provided with an annular sealing bead 66.
  • a hinged lid 70 is hinged to the upper part 60 via a film hinge 68, the film hinge 68 causing a dead center position, when the lid 70 is overcome, the film hinge 68 each has an additional force in the closing direction or in Exercises opening direction on the hinged cover 70.
  • the hinged cover 70 has a head side 72, from the outer edge of which extends a jacket 74 which, when the hinged cover 70 is closed, engages in an outer, stepped shoulder surface 76 of the top wall 62 of the upper part 60 and is flush with its peripheral surface.
  • a cylindrical sealing plug 78 is centrally located on the inside of the hinged cover 70 arranged, which engages sealingly in the discharge port 64 in the closed position of the hinged cover 70.
  • a third embodiment of a closure is shown, which is essentially identical to the closure according to FIGS. 4 and 5 with the exception that in addition a spring element 80 in the form of a helical compression spring which acts on the upper part 60 in the opening direction Exerted preload strengthened.
  • the upper end of the spring element 80 lies against the inside or underside 61 of the head wall 62 of the upper part 60 between the outer circumferential surface of the annular holder 52 and the inner circumferential surface of the guide jacket 30.
  • the lower end of the spring element 80 is supported on the cover 18 between the conical, offset pipe socket 20 and the guide socket 24 of the lower part 12.
  • the use of the spring element 80 is useful in cases where, e.g. for functional reasons, which include on the nature, e.g. the viscosity of the flowable material can be returned, the diaphragm valve 42 is not able to permanently exert the biasing or restoring force on the upper part 60 which is necessary and desired for the reliable functioning of the closure.
  • a further modification in the third embodiment of the closure according to the invention in FIGS. 6 and 7 relates to the design of the passage opening 22 in the pipe socket 20. Because it is partially closed by a perforated wall 77 in which a plurality of holes 79 of possibly different sizes and Shape are included.
  • the perforated wall 77 fulfills a support function for the floor 48 of the diaphragm valve 42 in those cases in which, for example because of a too large diameter of the passage opening 22 of the pipe socket 20, the closing function of the sealing flap 49 makes additional safety measures appear desirable.
  • the lower part 12 is shown in a perspective view in a partial top view, so that a ventilation opening 82 can be seen, which is arranged near the passage opening 22 and enables ventilation of the container during and after the dispensing of flowable material.
  • the size of the ventilation opening 82 is dimensioned such that it allows air to pass through but not the flowable material in the container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Tubes (AREA)

Abstract

Fermeture pour récipient contenant une matière coulante, qui comporte une partie inférieure fixe (12) pouvant être fixée de manière étanche sur un goulot du récipient entourant un orifice dudit récipient, et un couvercle (18) pourvu d'un tube (20) saillant vers l'extérieur comportant un orifice traversant (22) pour la matière coulante, une partie supérieure (14) située sur la partie inférieure et pouvant être déplacée coaxialement en direction du récipient et dans la direction opposée entre une position de repos externe et une position d'actionnement interne, une soupape (42) à diaphragme (42) en forme de coupe ou de coquille, qui possède au moins un fond en matière souple et dont le bord supérieur repose de manière étanche contre la face inférieure de la partie supérieure (14), des perforations dans le fond de la soupape (42) à diaphragme, qui sont fermées dans la position de repos de la partie supérieure (14) et un diamètre de fond qui est supérieur à la section transversale interne du tube saillant (20). L'extrémité externe du tube (20) soutient de manière permanente le fond de la soupape (42) à diaphragme et la soupape (42) à diaphragme précontraint la partie supérieure (14) en permanence en direction de sa position de repos externe, si bien que lorsqu'une pression axiale est exercée sur la partie supérieure (14) en direction du récipient, le fond de la soupape (42) à membrane est cintré vers l'extérieur, ce qui permet l'ouverture des perforations ménagées dans le fond.
EP05715744A 2004-03-05 2005-03-04 Fermeture pour recipient contenant une matiere coulante Expired - Lifetime EP1720773B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010845A DE102004010845B3 (de) 2004-03-05 2004-03-05 Verschluß für einen fließfähiges Gut enthaltenden Behälter
PCT/EP2005/002315 WO2005085085A1 (fr) 2004-03-05 2005-03-04 Fermeture pour recipient contenant une matiere coulante

Publications (2)

Publication Number Publication Date
EP1720773A1 true EP1720773A1 (fr) 2006-11-15
EP1720773B1 EP1720773B1 (fr) 2009-07-29

Family

ID=34485677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05715744A Expired - Lifetime EP1720773B1 (fr) 2004-03-05 2005-03-04 Fermeture pour recipient contenant une matiere coulante

Country Status (11)

Country Link
US (1) US7681750B2 (fr)
EP (1) EP1720773B1 (fr)
JP (1) JP4740227B2 (fr)
CN (1) CN1934009B (fr)
AT (1) ATE437815T1 (fr)
AU (1) AU2005218930B2 (fr)
BR (1) BRPI0508479A (fr)
CA (1) CA2557577A1 (fr)
DE (2) DE102004010845B3 (fr)
RU (1) RU2367588C2 (fr)
WO (1) WO2005085085A1 (fr)

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CN1934009B (zh) 2011-08-24
DE502005007784D1 (de) 2009-09-10
JP4740227B2 (ja) 2011-08-03
DE102004010845B3 (de) 2005-05-25
AU2005218930B2 (en) 2009-12-10
BRPI0508479A (pt) 2007-07-31
US7681750B2 (en) 2010-03-23
US20070181523A1 (en) 2007-08-09
JP2007526181A (ja) 2007-09-13
ATE437815T1 (de) 2009-08-15
EP1720773B1 (fr) 2009-07-29
WO2005085085A1 (fr) 2005-09-15
RU2006135109A (ru) 2008-04-10
AU2005218930A1 (en) 2005-09-15
CA2557577A1 (fr) 2005-09-15
CN1934009A (zh) 2007-03-21
RU2367588C2 (ru) 2009-09-20

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