EP0309396B1 - Fermeture en matière synthétique avec charnière à effet de ressort - Google Patents

Fermeture en matière synthétique avec charnière à effet de ressort Download PDF

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Publication number
EP0309396B1
EP0309396B1 EP88810595A EP88810595A EP0309396B1 EP 0309396 B1 EP0309396 B1 EP 0309396B1 EP 88810595 A EP88810595 A EP 88810595A EP 88810595 A EP88810595 A EP 88810595A EP 0309396 B1 EP0309396 B1 EP 0309396B1
Authority
EP
European Patent Office
Prior art keywords
snap
hinge
closure
closure according
spout
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.)
Expired - Lifetime
Application number
EP88810595A
Other languages
German (de)
English (en)
Other versions
EP0309396A1 (fr
Inventor
Werner F. Dubach
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.)
Medisize Schweiz AG
Original Assignee
Alfatechnic AG
Createchnic AG
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 Alfatechnic AG, Createchnic AG filed Critical Alfatechnic AG
Priority to AT88810595T priority Critical patent/ATE84272T1/de
Publication of EP0309396A1 publication Critical patent/EP0309396A1/fr
Application granted granted Critical
Publication of EP0309396B1 publication Critical patent/EP0309396B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D47/0814—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 at least three hinge sections, at least one having a length different from the others
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/10—Details of hinged closures
    • B65D2251/1016—Means for locking the closure in closed position
    • B65D2251/105—The closure having a part fitting over the rim of the container or spout and retained by snapping over integral beads or projections
    • 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
    • B65D2401/00—Tamper-indicating means

Definitions

  • the present invention relates to a snap hinge closure made of plastic with a lower part and an upper part integrally connected therewith via at least one hinge, which is designed as a cap or lid, and an elastically deformable element which is operatively connected to the two parts during the closing and opening process and which produces the snap action .
  • closures have been available on the market for several years and in numerous design forms. Examples of such closures are, for example, the closures described in US Pat. Nos. 3,629,901, 4,386,714 and 4,573,600, as well as a closure mentioned in FR Pat. No. 2,407,140.
  • Closures make up an essential part of the packaging of a product. Depending on the type and shape of the container on which the closure is to be attached, and depending on the functional requirements for the closure, the construction must be adapted accordingly. Also the Physical properties of the product to be packaged have an influence on the design of a closure. Finally, the closure also has the function of individualizing the packaged product. All of these requirements have resulted in a huge number of differently designed closures. Plastic closures are manufactured in typical mass production. This entails high initial costs for the development and manufacture of the molds required for injection molding. This is in direct contradiction to the desired variety, which rather forces the number of pieces to be reduced.
  • Such a closure which is suitable for various types of packaging, can then be manufactured in huge quantities. Nevertheless, such a closure would still not be competitive in price, for example compared to a simple screw cap.
  • such a two-part closure still has to be closed. This takes place after the spraying process, which requires expensive machines in which the closures have to be separated, aligned and closed. In other techniques, such closures are also closed immediately after production in the injection molding machine by means of appropriate levers and only then are they ejected.
  • the first variant is expensive in terms of equipment.
  • the second variant can only be used if there are not too many cavities in one tool and extends the cycle times considerably.
  • the two main components 1, 2, which are integrally connected to one another, namely the ring-shaped lower part 1 and the substantially gable-shaped upper part 2, can be clearly seen in the side views according to FIGS. 1 to 3 , which is used to open the closure using thumb pressure.
  • the parting plane T runs exactly on the upper edge of the lower part 1.
  • This parting plane T is again shown in broken lines in the sectional drawing according to FIG.
  • the lower part 1 consists essentially of an annular wall, from the inside of which a plurality of beads 4 arranged in a circle protrude. These beads 4 serve as positive locking means, which are suitable for fastening the closure on a correspondingly shaped container. As will be explained later, these beads 4 can also be used to grip an adapter piece which establishes the connection with the container on which the closure is to be placed.
  • the spout-shaped spout which is usually provided with an external thread, now projects through the lower part 1 into the upper part 2.
  • a sealing pin 5 with an annular bead 6 engages around this spout and thus seals the actual cap 2 with respect to the container.
  • Upper part 2 and lower part 1 are separated from one another by a circumferential gap 11 (see FIGS. 4-9) and are only connected to one another by a film hinge 7 located in the separating surface T.
  • the lower part 1 and upper part can be pivoted relative to one another around this film hinge 7.
  • the film hinge 7 is bridged by an elastically deformable element 8 which produces the snap action
  • this element 8 consists of a curved, relatively thick, resilient, U-shaped plate which is connected to the upper part 2 and to the lower part 1 by means of two film hinges.
  • the film hinge 9 producing the connection to the upper part 2 lies at least approximately in the separating surface T, while the film hinge 10 forming the connection to the lower part 1 lies at least approximately vertically below the previously described film hinge 7.
  • the fulcrum moves between the element 8 and the upper part 2, over the pivot axis formed by the film hinge 7, the element 8 being stretched and thus developing the force required for the snap process.
  • one or more bridges located in the separating surface T can be attached between the upper and lower part. This also provides the simplest way of ensuring that the packaged product is not damaged.
  • FIG. 6 shows a preferred solution for bottle-like containers B '.
  • An adaptation piece 20 is inserted here into the actual snap hinge closure, which merely represents an enlarged variant corresponding to the embodiment according to FIGS. 1 to 5. This is one simple, completely symmetrical part that can be injection molded with an inexpensive shape.
  • This adapter piece has a horizontal end wall 22 which is missing from the container B '.
  • This adapter piece 20 is used to connect the closure to the container B '.
  • Such an adapter 20 can be adapted to the neck of the container. Of course, it can be made in any color, even in a color that differs from the color of the actual closure, and thus serves in the simplest way to individualize the product to be packaged.
  • FIG. 7 only serves to illustrate the multitude of different design forms of the closure.
  • the separating surface between upper part 2 and lower part 1 and also the circumferential gap 11 are graduated. This makes it possible to move the actual snap hinge from the periphery to the center.
  • the film hinge 7 connecting the two main parts 1 and 2 now lies in the vertical region of the separating surface T.
  • the elastically deformable element 8 which produces the snap action is an elastic tension band which is stretched in the region of its elastic deformation when the closure is opened and closed.
  • the adjacent wall areas 12 are designed to be flexible.
  • FIG. 8 A further variant of the snap hinge is shown in FIG.
  • the element 8 which produces the resilient effect is designed here in the form of a once-bent plate. This plate is stretched to a greater or lesser extent when the closure is opened or closed. Since the plate does not allow a large change in shape, the wall areas 12 adjoining the element 8 can also be designed flexibly here. The easiest way to do this is by reducing the wall thickness or by making slots.
  • the adapter 20 can be made of polyethylene. Snap hinge closures must be made of polypropylene because of the strength and the stresses of the element producing the spring elastic effect, as well as because of the film hinges. This material is relatively hard. If the adapter piece is now made from the softer polyethylene, this results in a better seal. This has further advantages because such an adapter piece can be welded directly with a tube and ultimately this also results in cost savings because Polyethylene is about 20-30% cheaper than polypropylene.
  • the snap hinge closure according to the invention can have all additional elements that can otherwise also be attached to conventional snap hinge closures.
  • only the corresponding guarantee bridge should be mentioned here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Cable Accessories (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Springs (AREA)
  • Laminated Bodies (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bag Frames (AREA)
  • Package Specialized In Special Use (AREA)

Claims (9)

  1. Fermeture en matière plastique avec charnière à effet de ressort pour récipients comportant un verseur en forme de bec verseur ou pourvus d'un adaptateur comportant un verseur en forme de bec verseur, fermeture comprenant une partie supérieure (2) qui, par l'intermédiaire d'une charnière (7) est reliée d'une manière solidaire à une partie inférieure (1), laquelle est constituée d'une paroi annulaire qui, avec des organes de liaison (4) en correspondance de forme, est prévue pour une fixation sur un récipient (B) ou sur l'adaptateur (20), la paroi annulaire étant dimensionnée de façon qu'elle entoure le verseur en forme de bec verseur, à une certaine distance radiale, jusqu'à la hauteur d'un plan de séparation (T) entre la partie inférieure (1) et la partie supérieure (2), le verseur en forme de bec verseur faisant saillie de ce plan de séparation, la partie supérieure (2) comportant en outre une paroi annulaire (6), laquelle entoure d'une manière étanche le verseur en forme de bec verseur, caractérisée en ce qu'une surface d'obturation horizontale est absente à la partie inférieure, la partie supérieure (2) et la partie inférieure (1) étant ainsi radialement écartées l'une de l'autre par une fente (11) courant dans le plan de séparation (T), fente qui n'est recouverte que par une charnière-film (7) et un élément (8) produisant un effet de ressort, de sorte que la fermeture peut être réalisée en position fermée.
  2. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que la charnière à effet de ressort comporte une charnière-film (7) qui relie directement la partie supérieure (2) et la partie inférieure (1) se trouvant dans la surface de séparation (T), et un élément déformable (8) produisant l'effet de ressort, élément qui par l'intermédiaire de charnières-films (9,10) est relié respectivement à la partie supérieure (2) et à la partie inférieure (1), dont les points d'application sont décalés par raport à la charnière-film (7) susmentionnée, vers le centre de la fermeture, et sont disposés l'un au-dessus de l'autre, des deux côtés du plan de séparation.
  3. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que l'élément à déformation élastique (8) produisant l'effet de ressort a la forme d'une plaquette recourbée ou infléchie.
  4. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que l'élément à déformation élastique (8) produisant l'effet de ressort a la forme d'une bande extensible.
  5. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que les zones de parois de la partie supérieure et/ou de la partie inférieure qui délimitent l'élément à déformation élastique (8) produisant l'effet de ressort, sont flexibles.
  6. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que la partie supérieure (2) et la partie inférieure (1) sont reliées l'une à l'autre par au moins un pont disposé dans le plan de séparation (T), pont qui forme une zone de rupture et sert de garantie d'intégrité.
  7. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que le plan de séparation est étagé.
  8. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que la partie supérieure et la partie inférieure sont en polypropylène et l'adaptateur (20) est en polyéthylène.
  9. Fermeture avec charnière à effet de ressort selon la revendication 1, caractérisée en ce que la partie supérieure (2) a la forme d'un pignon, au moins la surface dégagée de la charnière ayant la forme d'un évidement pour pression (3).
EP88810595A 1987-09-25 1988-08-29 Fermeture en matière synthétique avec charnière à effet de ressort Expired - Lifetime EP0309396B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88810595T ATE84272T1 (de) 1987-09-25 1988-08-29 Schnappscharnierverschluss aus kunststoff.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3729/87A CH673631A5 (fr) 1987-09-25 1987-09-25
CH3729/87 1987-09-25

Publications (2)

Publication Number Publication Date
EP0309396A1 EP0309396A1 (fr) 1989-03-29
EP0309396B1 true EP0309396B1 (fr) 1993-01-07

Family

ID=4262252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88810595A Expired - Lifetime EP0309396B1 (fr) 1987-09-25 1988-08-29 Fermeture en matière synthétique avec charnière à effet de ressort

Country Status (12)

Country Link
US (1) US4911324A (fr)
EP (1) EP0309396B1 (fr)
JP (1) JP2702174B2 (fr)
AT (1) ATE84272T1 (fr)
AU (1) AU609184B2 (fr)
CA (1) CA1316125C (fr)
CH (1) CH673631A5 (fr)
DE (1) DE3877301D1 (fr)
DK (1) DK171041B1 (fr)
ES (1) ES2037274T3 (fr)
IL (1) IL87624A (fr)
ZA (1) ZA886464B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8646633B2 (en) 2009-12-16 2014-02-11 Johnson & Johnson Vision Care Inc Closure for containers of ophthalmic solutions containing a spout cap

Families Citing this family (30)

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Publication number Priority date Publication date Assignee Title
EP0314394A3 (en) * 1987-10-27 1990-10-17 Pioneer Electronic Corporation Disk drive with means to play either side of a disk
US5016777A (en) * 1990-01-11 1991-05-21 Morley Marvin Expandable polystyrene container hinge and method of forming
US5322176A (en) * 1990-03-12 1994-06-21 Sreatechnic Ag Plastic snap hinge with a flexible element generating the snap action
CH683253A5 (de) * 1990-12-13 1994-02-15 Feichtinger Ernst Expan Verschluss.
CH683765A5 (de) * 1991-05-21 1994-05-13 Feichtinger Ernst Expan Garantieverschluss.
US5127537A (en) * 1991-06-05 1992-07-07 Graham Donald R Tissue cassette with a living hinge
CH683611A5 (de) * 1991-09-10 1994-04-15 Zeller Plastik Koehn Graebner Verfahren und Werkzeug zur Herstellung eines Verschlusses für Behälter sowie nach dem Verfahren hergestellter Verschluss.
US5547091A (en) * 1991-11-27 1996-08-20 Colgate-Palmolive Company Dispensing container snap hinge closure
ATE124364T1 (de) * 1992-02-10 1995-07-15 Feichtinger Ernst Expan Verschluss mit schnappscharnier.
US5531349A (en) * 1992-12-22 1996-07-02 Blistex Inc. Flip-top closure
US5755352A (en) * 1992-12-22 1998-05-26 Blistex Inc. Flip top closure with locking tabs
CH687253A5 (de) * 1993-03-30 1996-10-31 Createchnic Ag Kunststoffverschluss.
US5320235A (en) * 1993-04-08 1994-06-14 Joyce Molding Corporation Thermoplastic molded cap with integral tear band
US5386918A (en) * 1993-04-22 1995-02-07 Colgate-Palmolive Co. Closure with tamper evidence structure
US5779110A (en) * 1993-05-10 1998-07-14 Courtaulds Packaging, Inc. Package having closure assembly with concealed hinge
US5400912A (en) * 1993-05-10 1995-03-28 Courtaulds Packaging Inc. Closure with concealed hinge
US5358151A (en) * 1993-05-21 1994-10-25 Universal Container Corporation Liquid dropper dispenser
US5709318A (en) * 1996-01-31 1998-01-20 The Procter & Gamble Company Dispensing closure with integral locking switch and tamper evidency structure
EP0823384A1 (fr) * 1996-08-09 1998-02-11 Moss Plastic Parts Limited Fermeture pour un fût à bière
USD406533S (en) * 1997-10-07 1999-03-09 Reckitt & Colman Inc. Combined bottle and cap
US6478184B2 (en) 2001-01-24 2002-11-12 Courtesy Corporation Two piece hinged closure
NO20020277D0 (no) * 2002-01-18 2002-01-18 Svein Myhre Fremgangsmåte ved tilveiebringelse av et hengslet garantilukke, hengslet garantilukke og beholder med hengsletgarantilukke
US6986434B1 (en) 2002-07-25 2006-01-17 Silgan Plastics Corporation Container closure with hinged lid
US7510095B2 (en) * 2005-03-11 2009-03-31 Berry Plastics Corporation System comprising a radially aligned container and closure
JP2006341167A (ja) * 2005-06-08 2006-12-21 Cemedine Co Ltd ノズルキャップ付粘性液体平型塗布ノズル及び平型ノズルキャップ
DE102005038929A1 (de) * 2005-08-17 2007-02-22 Seaquist-Löffler Kunststoffwerk Gmbh Abgabeverschluß
US8056749B2 (en) * 2007-05-07 2011-11-15 Rexam Closure Systems Inc. Flip-lid dispensing closure and package
ITRM20080186A1 (it) * 2008-04-09 2009-10-10 Emsar Spa Tappo di protezione per erogatori e contenitore comprendente tale tappo.
US20110163135A1 (en) * 2010-01-05 2011-07-07 Herald Coy M Multi-piece closure with hinged lid
US20220097928A1 (en) * 2020-09-28 2022-03-31 Novembal Usa Inc. Closure with flexible hinge

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US2630239A (en) * 1949-01-03 1953-03-03 Wheeling Stamping Co Closure device for containers
FR1016446A (fr) * 1950-04-18 1952-11-12 Armand Coirin Ets Dispositif de fermeture de tubes à bouchon basculant
US3227332A (en) * 1963-09-27 1966-01-04 Procter & Gamble Captive closure
DE1759430A1 (de) * 1968-04-30 1972-03-09 Lenox Werk Emil Liebke & Co Einteiliges scharnierartiges Gelenk aus Kunststoff
US3741447A (en) * 1971-11-18 1973-06-26 Colgate Palmolive Co Container cap
JPS503635U (fr) * 1973-05-15 1975-01-16
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US3998354A (en) * 1975-03-31 1976-12-21 Song John S Reusable sealed plastic cover
FR2407140A1 (fr) * 1977-10-25 1979-05-25 Angelino Roger Obturateur rabattable et verrouillable pour recipient verseur
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CH653639A5 (de) * 1981-01-21 1986-01-15 Zeller Plastik Koehn Graebner Einstueckiges klappscharnier aus kunststoff.
CH661488A5 (de) * 1983-06-10 1987-07-31 Alfatechnic Ag Kunststoffverschluss.
EP0167661A1 (fr) * 1984-06-28 1986-01-15 ZELLER PLASTIK Koehn, Gräbner & Co. Charnière avec effet de ressort en matière plastique
US4638916A (en) * 1985-07-12 1987-01-27 Owens-Illinois, Inc. Closure with snap-type hinge cap
CH667059A5 (de) * 1985-07-23 1988-09-15 Alfatechnic Ag Kunststoffverschluss mit garantieband.
JPH0424821Y2 (fr) * 1985-10-02 1992-06-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8646633B2 (en) 2009-12-16 2014-02-11 Johnson & Johnson Vision Care Inc Closure for containers of ophthalmic solutions containing a spout cap

Also Published As

Publication number Publication date
CA1316125C (fr) 1993-04-13
DK493088A (da) 1989-03-26
ZA886464B (en) 1989-05-30
AU609184B2 (en) 1991-04-26
IL87624A (en) 1991-11-21
ATE84272T1 (de) 1993-01-15
US4911324A (en) 1990-03-27
DK171041B1 (da) 1996-04-29
DE3877301D1 (de) 1993-02-18
EP0309396A1 (fr) 1989-03-29
ES2037274T3 (es) 1993-06-16
IL87624A0 (en) 1989-01-31
AU2190888A (en) 1989-04-06
JP2702174B2 (ja) 1998-01-21
DK493088D0 (da) 1988-09-05
CH673631A5 (fr) 1990-03-30
JPH01111667A (ja) 1989-04-28

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