EP0538573A2 - Fermeture de récipient à encliquetage - Google Patents

Fermeture de récipient à encliquetage Download PDF

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Publication number
EP0538573A2
EP0538573A2 EP92113874A EP92113874A EP0538573A2 EP 0538573 A2 EP0538573 A2 EP 0538573A2 EP 92113874 A EP92113874 A EP 92113874A EP 92113874 A EP92113874 A EP 92113874A EP 0538573 A2 EP0538573 A2 EP 0538573A2
Authority
EP
European Patent Office
Prior art keywords
container closure
particular according
container
cam
spring tongue
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Withdrawn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
EP92113874A
Other languages
German (de)
English (en)
Other versions
EP0538573A3 (en
Inventor
Manfred Fudalla
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.)
Weener Plastik GmbH and Co KG
Original Assignee
Weener Plastik GmbH and Co KG
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 Weener Plastik GmbH and Co KG filed Critical Weener Plastik GmbH and Co KG
Publication of EP0538573A2 publication Critical patent/EP0538573A2/fr
Publication of EP0538573A3 publication Critical patent/EP0538573A3/de
Withdrawn legal-status Critical Current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
    • 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
    • B65D47/0819—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 by cam action, e.g. interacting protrusions
    • 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
    • B65D47/0857—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from the base element provided with the spout or discharge passage
    • B65D47/0861—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from 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
    • B65D2547/00—Closures with filling and discharging, or with discharging, devices
    • B65D2547/04—Closures with discharging devices other than pumps
    • B65D2547/06—Closures with discharging devices other than pumps with pouring spouts ot tubes; with discharge nozzles or passages
    • B65D2547/063—Details of spouts
    • B65D2547/066—Details of spouts inserted in or attached to the base element

Definitions

  • the invention relates to a container closure with a snap effect, with a lid closure part and a holder part, wherein a pivot cam is formed on the lid closure part, the holder part can be deflected spring-like to achieve the snap effect and the deflection in the course of an opening or closing movement of the lid closure part by supporting the Swivel cam is achieved on a counter system.
  • a container closure of this type is known from US Pat. No. 2,990,077.
  • the pivoting cam defining the opening and closing position is seated on a freely lifting section of a ring of appropriately flexible material that surrounds the container near the edge.
  • considerable torsional forces which stress the material must be applied in order to allow the pivoting cam emanating from the cover closure part to pass over a dead center position.
  • the counter system is formed here by the jacket wall of the cup-shaped container. This can give in with thin walls. This also has a detrimental effect on how it works.
  • the object of the invention is to provide a generic container closure in a technically simple, advantageous manner in such a way that, while achieving a more favorable spring action and load, a cover closure part assignment, which in particular ensures the opening position, is achieved.
  • a generic container closure of increased utility value is achieved. This is due to an increased material stress-avoiding lid closure part design or assignment. The restoring forces are no longer generated from a torsional movement.
  • the spring tongue which forms an integral part of the overall structural unit, is produced simply by free cutting. This can be taken into account in the spraying process. It can even be pre-tensioned.
  • the procedure is further such that the swivel cam encloses an obtuse angle with the outer wall of the cover closure part.
  • the swivel cam protrudes obliquely from the edge of the cover closure part, which is generally cap-shaped.
  • the obtuse angle is advantageously 140 °.
  • the alignment of the spring tongue cooperating with the swivel cam it extends essentially at right angles to a locking axis.
  • the closure axis for example, the longitudinal axis of the container lying in the pouring or pouring direction is intended.
  • the container closure is plug-connected to a neck part.
  • the neck part can be an integral part of the container or a separate component that can be connected to it.
  • the counter system is then advantageously formed on the neck part.
  • the counter-system assumes an orientation essentially parallel to the spring tongue.
  • the swivel cam acts in the joint between the two, i.e. the spring tongue and the counter system.
  • the counter system it also proves to be advantageous that it has an immersion niche for receiving an end region of the swivel cam in the rest position. This leads to an almost complete relaxation of the spring tongue and also brings about a kind of positive engagement for the corresponding adjustment of the pivot cam.
  • the lid closure part lies tightly on.
  • a stopper which is generally arranged on the inside of the lid closure part engages tightly in the dispensing opening of the container.
  • the plunge niche merges over a ramp into a shoulder which extends essentially parallel to the spring tongue and which forms part of the counter system.
  • the shoulder and the back of the swivel cam define the opening position of the hinged lid closure part.
  • the invention further proposes that the plug connection between the container or neck part and the holding part be formed by a clip ring which at the same time forms an orifice neck.
  • Such a clip ring also contributes to the stabilization of the holding part, so that it can be assumed that the wall thicknesses are very small.
  • at least the spring tongue lies in a depression corresponding to the contour, there is an advantageous rotation lock of the mounting part. This protects the snap device from disturbing loads. There is also a foolproof installation.
  • the container closure designated in its entirety with V in the drawing forms the upper end of a standing vessel with preferably liquid contents.
  • the container closure V is either realized as shown in FIGS. 1 to 7, in the form of a cap or neck part 2 of a separate design, or is an integral part of a container 3 (cf. FIG. 8).
  • the container closure V is overlaid by a peripherally hinged lid closure part 4.
  • the latter has a snap effect and can be folded out of the closed position shown in FIG. 1 into the maximum open position shown in FIG. 7, while passing through the tactile intermediate positions shown in FIGS. 4 to 7 and 8.
  • the lid closure part 4 is hingedly assigned to a holding part 5. It is produced in one piece with the plastic injection molding process, but can also be connected in one piece with the container closure or the neck part 2. A correspondingly elastic or flexible plastic is used. PP is preferably used.
  • the horizontal joint axis connection between the lid closure part 4 and the holder part 5 is done via a Film hinge 6.
  • This correspondingly reduced thickness material bridge between the two parts 4 and 5 has the required joint mobility.
  • the film hinge 6 is interrupted in the middle area.
  • the window-like opening or recess created for this purpose bears the reference number 7.
  • the reduction in thickness results as a result of a notch-like indentation starting from above with a transversely rounded valley bottom in the form of a thin-walled bead.
  • the recess 7 is reserved for the accommodation of a swivel cam 8.
  • the pivot cam 8 sits on the lid closure part 4. It is molded onto this.
  • the swivel cam 8 extends as a protrusion downwards outward from the jacket wall 9 of the pot-shaped lid closure part 4. It occurs as an extension over the front edge 9 'of the lid closure part 4.
  • the outward bend takes an inclined course, which includes an obtuse angle alpha between the jacket wall 9 and the top of the bevel.
  • the obtuse angle alpha is approximately 140 °.
  • the pivot cam 8 pivoting about the axis xx formed by the film hinge 6 acts as a control cam with a stationary counter-system 10.
  • the latter is formed by a horizontal ceiling 11 of the neck part 2.
  • the contact of the pivot cam 8 on the counter-system 10 is under spring load.
  • the pivoting cam 8, which acts as a short double lever arm, is deflected in the course of an opening or closing movement of the lid closure part 4, ie counter to the spring force acting on it the connection point lifts up.
  • the holding part 5 of the container closure V forms a spring tongue 12 pointing in the direction of the geometrical horizontal folding axis xx of the lid closure part 4, through which the lid closure part 4 is connected by means of the film hinge 6.
  • the swivel cam 8 extends to the side of the film hinge 6.
  • an assignment can alternatively also take place in such a way that the swivel cam 8 is forked, the tines of which then extend continuously through the film hinge in the center 6 reach around and then a further axial support takes place on the counter system 10.
  • the sufficient length of the holding neck 2 in this direction according to FIG. 2 even favors such a solution.
  • the spring tongue 12 extends at right angles to the closure axis designated by y-y in FIG. The latter coincides with the symmetry or longitudinal center axis of the container 3 and extends in the vertical.
  • the spring tongue 12 occupies a free-standing position, i.e. it extends at a small vertical gap distance z above the top of the ceiling 11 of the neck 2. This is achieved by means of corresponding spacing ribs 13 on the underside of the holding part 5 which supports the spring tongue 12.
  • the counter system 10 realized on the upper side of the aforementioned ceiling 11 runs essentially parallel to the spring tongue 12 extending above it.
  • the flat spring tongue 12 is vertically freely movable in a contoured depression 14 in the ceiling 11.
  • the counter system 10 has a Z-shaped profile. Reference is made to FIG. 3.
  • the counter system 10 running over part of the ceiling 11 extends into a jacket wall 15 of the neck part 2, in which it opens radially to form a peripheral immersion niche 16 Swivel cam 8 with closed lid closure part 4 practically positive.
  • the spring force is a rest position, i.e. if the spring tongue 12 is essentially not pretensioned, the spring tongue is almost free of tension; accordingly, it does not weaken even when the lock is used for a long time. The same tension-free state would then also exist in the closed position of the closure (FIG. 1).
  • the aforementioned bias could still be used optionally; However, the locking friction force of a sealing plug 17, which will be explained further below, could also be used to secure the closed position.
  • the somewhat elongated Z-profile shape is composed of the Z-web a creating a run-up slope 18, a horizontal Z-leg b bringing a shoulder 19 at a raised point and at the lowest point also horizontally aligned step 20, originating from the second Z-leg c. It is thereby achieved that the plunge niche 16 is substantially parallel via the aforementioned run-up slope 18 to the spring tongue 12 extends shoulder 19, which is also part of the counter system 10.
  • the surface of the transversely convexly rounded end region 8 'merges into a control surface 21 which defines the open position.
  • the latter extends parallel to the jacket wall 9 of the lid closure part 4.
  • the jacket wall 9 runs parallel to the jacket wall 15 of the neck part 2.
  • the latter extends in parallel to the closure axis y-y.
  • the angle of inclination of the run-up slope 18 is approximately 30 ° to the horizontal, ie ceiling 11.
  • Folding axis of the lid closure part 4 intersects an imaginary swivel arc line with respect to the root radius point P on the holding part 5 of the spring tongue 12, which runs through the transition region between the higher Z-leg b and the subsequent, falling Z-web a.
  • the turning point lies between the spring-assisted closed position and the spring-assisted opening position or direction.
  • the container closure V is plug-connected to the neck part 2.
  • the corresponding plug connection between the container 3 or neck part 2 and the holding part 5 is realized by a clip ring 23 which at the same time forms an orifice connection 22. It can be based on an irreversible clip connection, for example in the manner of a bounce assignment.
  • the clip ring 23 forming the dispensing opening is held as a male part like a push button and also in a sealing manner in a corresponding female opening 24 of the ceiling 11, which has the counter system 10.
  • the die opening 24 is realized on a connecting piece 25 of the ceiling 11 projecting beyond the counter system 10 on both sides
  • Corresponding polydirectionality on wall material brings an advantageous stiffening of the relatively thin-walled ceiling 11 and thus also an undeformable design of the control profile of the counter-system 10 arranged in the transition area between the ceiling 11 and the wall of the neck part 2.
  • the holding part 5 consists of a rectangular base plate which, like the spring tongue 12, is embedded in the depression 14 mentioned.
  • the top of the base plate 26 and the top of the spring tongue 12 close flush with the raised part of the ceiling 11, i.e. also from the top of the same level.
  • the base plate 26 merges into a part of the holding part 5 designed as an annular bead. It has an annular groove that is open at the bottom.
  • the upper section of the connecting piece 25 projects into the centering point.
  • the mouth piece designated 22 then concentrically adjoins the annular bead on the upper side. Its central passage opening for the material to be poured or poured is sealed in the closed position by the sealing plug 17, which is designed as a hollow plug and extends from the inside of the cover closure part 4.
  • the non-circular floor plan of the base plate 26 together with the cantilever spring tongue 12 forms an advantageous rotation lock for the unit mounting part 5 / cover closure part 4 by the inclusion in the depression 14.
  • the base plate 26 is expediently fixed so that the spring tongue 12 can spring without friction.
  • FIGS. 4 to 7 A movement diagram of the spring tongue 12 is drawn below each of FIGS. 4 to 7.
  • the values below show the spring force in the other intermediate positions. In the zero position, the line representing the spring tongue 12 assumes a congruent position with a base line designated 28, formed by the abutment, ie the counter system 10.
  • the width of the recess 7 takes into account the swivel angle requirement of the swivel cam 8.
  • the rotation of the support member 5 can be achieved by lateral webs of the ceiling 11, which webs extend next to the spring tongue.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP19920113874 1991-10-10 1992-08-14 Snap-on container closure Withdrawn EP0538573A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9112615U DE9112615U1 (de) 1991-10-10 1991-10-10 Behälterverschluß mit Schnappeffekt
DE9112615U 1991-10-10

Publications (2)

Publication Number Publication Date
EP0538573A2 true EP0538573A2 (fr) 1993-04-28
EP0538573A3 EP0538573A3 (en) 1993-09-08

Family

ID=6872114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920113874 Withdrawn EP0538573A3 (en) 1991-10-10 1992-08-14 Snap-on container closure

Country Status (2)

Country Link
EP (1) EP0538573A3 (fr)
DE (1) DE9112615U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995025677A1 (fr) * 1994-03-23 1995-09-28 Taplast S.P.A. Bouchon dote d'un distributeur interchangeable
EP0685405B1 (fr) * 1994-06-01 1999-02-10 Roche Diagnostics GmbH Fermeture de récipient
EP0997386A1 (fr) * 1998-10-30 2000-05-03 LEIFHEIT Aktiengesellschaft Fermeture de récipient pour un conteneur de stockage
US11588212B2 (en) * 2019-03-28 2023-02-21 Sanyo Electrics Co., Ltd. Connection assembly for use in battery modules and a battery module

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2767516B1 (fr) * 1997-08-21 1999-10-15 Oreal Capsule de fermeture, notamment pour un recipient destine a contenir un produit cosmetique
FR2769005A1 (fr) * 1997-10-01 1999-04-02 Moulage De Bretagne Mdb Capsule service pour recipient distributeur
FR2777545B1 (fr) * 1998-04-15 2000-06-16 Rexam Smt Articulation bistable, notamment pour bouchon-distributeur a couvercle basculant
DE102010055776A1 (de) * 2010-12-23 2012-06-28 Eppendorf Ag Deckelgefäß
WO2019113681A1 (fr) * 2017-12-15 2019-06-20 Husky Injection Molding Systems Ltd. Capuchon de fermeture destiné à un récipient

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291818A (en) * 1979-05-18 1981-09-29 Yoshino Kogyosho Co., Ltd. Lid structures
GB2076378B (en) * 1980-05-09 1984-02-15 Windmill Plastics Ltd Closure for container

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995025677A1 (fr) * 1994-03-23 1995-09-28 Taplast S.P.A. Bouchon dote d'un distributeur interchangeable
US5810212A (en) * 1994-03-23 1998-09-22 Taplast Spa Cap with interchangeable dispenser
EP0685405B1 (fr) * 1994-06-01 1999-02-10 Roche Diagnostics GmbH Fermeture de récipient
EP0997386A1 (fr) * 1998-10-30 2000-05-03 LEIFHEIT Aktiengesellschaft Fermeture de récipient pour un conteneur de stockage
US11588212B2 (en) * 2019-03-28 2023-02-21 Sanyo Electrics Co., Ltd. Connection assembly for use in battery modules and a battery module

Also Published As

Publication number Publication date
DE9112615U1 (de) 1993-02-04
EP0538573A3 (en) 1993-09-08

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