EP0640167B1 - Fermeture a charniere a declic en une seule piece de matiere plastique - Google Patents
Fermeture a charniere a declic en une seule piece de matiere plastique Download PDFInfo
- Publication number
- EP0640167B1 EP0640167B1 EP94907476A EP94907476A EP0640167B1 EP 0640167 B1 EP0640167 B1 EP 0640167B1 EP 94907476 A EP94907476 A EP 94907476A EP 94907476 A EP94907476 A EP 94907476A EP 0640167 B1 EP0640167 B1 EP 0640167B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tilting element
- snap
- cover
- hinge
- closure
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D1/00—Pinless hinges; Substitutes for hinges
- E05D1/02—Pinless hinges; Substitutes for hinges made of one piece
Definitions
- the present invention relates to a one-piece plastic snap hinge closure, consisting of a lower part and a cover, which are connected to one another via an integral joint in the region of the overlapping jacket walls of the lower part and cover, and of at least one intermediate element producing the snap action.
- a closure according to the preamble of claim 1 is known from DE-A-1 808 875.
- Plastic snap hinge locks of the type mentioned at the outset are known in large numbers and in a wide variety of designs. If you analyze the snap hinges on plastic locks, you can see that they are basically composed of two basic elements. On the one hand, they have a main joint, around which the pivoting movement of the cover takes place relative to the lower part, and, on the other hand, one or more intermediate elements which produce the snap action. Such intermediate elements can have the shape of bands, triangles or angular spiral springs or even length-adjustable tension spring elements.
- the essence of the present invention relates only to the design of the joint connecting the two parts, lower part and cover.
- This joint is usually designed as a film hinge in one-piece plastic snap hinge locks. When the closure is completely closed or completely open, this film hinge is free of forces. In all intermediate positions, pressure and displacement forces are exerted on this film hinge. A closer look reveals microscopic cracks and notches. Strains in the film hinge, as well as widespread white break points are clearly visible in the area of the film hinge. These conventional, single-axis hinges are subjected to the greatest stress in the area of unstable equilibrium with every opening and closing process.
- a second problem with the design of the joint between the lower part and the cover is that it always protrudes from the jacket wall.
- the fact that this joint must protrude from the jacket walls has to do with the geometry of the snap hinge locks on the one hand and this is due to manufacturing reasons.
- the more the joint protrudes from the jacket walls the stronger the snap action of the closure and vice versa, the less the snap action protrudes from the jacket walls.
- the snap hinges are usually injection molded in the fully open state, a vertical material wall W remains in the injection mold below the joint. If the joint is designed to be as close as possible to the jacket walls, this material wall in the injection mold becomes so thin that the service life of the injection mold is considerably reduced and is extremely susceptible to defects.
- the present invention therefore has for its object to provide a one-piece plastic snap hinge closure according to the preamble of the claim, the joint of which is designed so that the disadvantages described above are largely eliminated.
- FIGS. 1 and 2 of the drawing which represent a joint of a snap hinge according to the prior art, are not discussed again here.
- FIG. 3 shows a snap hinge closure designed according to the invention in the closed, assembled state.
- the lower part 1 of the closure is placed on an undetectable neck of a container 4.
- the essentially cylindrical lower part 1 is closed by a cover 2.
- Lower part 1 and cover 2 are integrally connected on the one hand by the two triangular intermediate elements 3 and on the other hand by the two pivot axes 6 with the pressure-resistant tilting element 7 located therebetween.
- the two intermediate elements 3 serve to generate the snap action.
- the entire snap hinge is barely visible from the outside when closed.
- the two pivot axes 6 are shown here in dash-dot lines and running parallel to one another. With a flattening 13, the jacket walls of the lower part and the cover are flat in the region of the pivot axes.
- a pusher 5 is arranged on the cover 2 in order to facilitate the opening of the closure. This can be clearly seen in FIG. 4.
- FIG. 5 shows a diagonal section through the plastic snap hinge closure along the line X-X according to FIG.
- an annular wall 9 sealingly encompassing the spout 8.
- the pressure-resistant tilting element 7 can be seen and it can also clearly be seen that the pivot axes 6 run symmetrically with respect to the parting plane T represented by a dotted line. It can also be seen that the pivot axes are arranged within the jacket walls, as a result of which, for the first time, a non-protruding hinge is realized in this type of snap hinge.
- the outer wall of the lower part 1 is designated 10, the outer wall of the cover 2 11.
- the tilting element 7 has the shape in section of an isosceles triangle.
- the example shown here is a right-angled isosceles triangle.
- the tilting element 7 is consequently delimited on both sides by the thin points 12 which define the pivot axes.
- This roof-shaped, pressure-resistant tilting element 7 thus forms a support surface 15 on both sides.
- one support surface 15 comes to rest on an inclined counter surface 16 on the lower part 10 and the other support surface 15 on an also inclined counter surface 17 on the cover 2.
- the opening angle between the support surface 15 and the counter surface 16 or between the opposite support surface 15 and the counter surface 17 on the cover is 90 ° in each case. This allows the pivoting movement of the cover 2 to the lower part 1 to be divided into two pivoting movements of 90 ° each.
- the angle between the two support surfaces 15 is less than 90 °, but this requires that the counter surfaces 16 and 17 must be made somewhat flatter.
- the gable of the roof-shaped tilting element 7 can be cut off, as shown in FIG. This results in a tilting element which has the shape of an isosceles trapezoid in cross section having.
- FIG. 7 also shows the right angle that is to be maintained between the support surfaces 15 and the counter surfaces 16 or 17.
- the cover 2 When the closure according to the invention is closed, the cover 2, together with the tilting element 7, is first pivoted about the pivot axis between the support surface 15 and the counter surface 16 on the lower part 1 until these two surfaces come to a stop, whereupon the pivoting movement by a further 90.degree the second pivot axis takes place between the support surface 15 and the counter surface 17 on the cover 2.
- these two swiveling movements take place in reverse order.
- FIG. 8 shows the conventional snap hinge lock with a joint which has only one pivot axis and recognizes that in the Dead center area a maximum shape change of L occurs, while the snap hinge closure according to the invention with two pivot axes significantly reduces the maximum shape change. This results in a relatively large pivoting force over the entire pivoting movement of the cover, without however causing such a large deformation as in the case of a uniaxial design of the joint. This also ensures a complete opening of the cover by 180 °. So far, this was only a wish, but it was never realized.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Hinges (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Supports For Pipes And Cables (AREA)
- Hinge Accessories (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Claims (8)
- Fermeture à charnière à déclic en une seule pièce de matière plastique, comprenant une partie inférieure (1) et un couvercle (2) qui sont mutuellement reliés par une articulation solidaire dans la région des parois d'enveloppe superposées (10, 11) de la partie inférieure et du couvercle, et comprenant aussi au moins un élément intermédiaire (3) produisant l'effet de déclic, caractérisée en ce que l'articulation est constituée d'au moins deux axes de pivotement (6) qui ne se coupent pas, un élément de basculement (7) résistant à la pression étant chaque fois disposé, en plus de l'élément intermédiaire (3), entre deux axes de pivotement voisins (6), de sorte qu'on obtient chaque fois successivement, pendant le processus de fermeture ou d'ouverture, un pivotement partiel autour de l'axe de pivotement (6) entre la partie inférieure (1) et l'élément de basculement (7), et un autre pivotement partiel autour de l'axe de pivotement (6) entre l'élément de basculement (7) et le couvercle (2), l'élément de basculement (7) présentant une surface d'appui (15) de chaque côté et, à l'état fermé de la fermeture, l'une des surfaces d'appui (15) s'appliquant sur une contre-surface (16) sur la partie inférieure (1), tandis que l'autre surface d'appui (15) s'applique sur une contre-surface (17) sur le couvercle (2).
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 1, caractérisée en ce que les deux axes de pivotement (6) présentent au moins des tronçons respectifs s'étendant en parallèle, entre lesquels est disposé l'élément de basculement (7) résistant à la pression (figure 3).
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 1, caractérisée en ce que les deux axes de pivotement (6) s'étendent, à l'état fermé de la fermeture, symétriquement par rapport au plan de séparation (T).
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 1, caractérisée en ce que l'élément de basculement (7) présente une section en forme de triangle isocèle.
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 1, caractérisée en ce que l'élément de basculement (7) présente une section en forme de trapèze isocèle.
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 1, caractérisée en ce que l'élément de basculement (7) dépasse vers l'intérieur par rapport à la périphérie de la fermeture à charnière à déclic en matière plastique.
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 1, caractérisée en ce qu'à l'état totalement ouvert de la fermeture, l'angle entre l'une des surfaces d'appui (15) de l'élément de basculement (7) et la contre-surface (16) sur la partie inférieure (1), ainsi que, d'autre part, l'angle entre l'autre surface d'appui (15) et la contre-surface (17) sur le couvercle (2), sont chacun égaux à 90°.
- Fermeture à charnière à déclic en une seule pièce de matière plastique selon la revendication 7, caractérisée en ce que l'angle entre les deux surfaces d'appui (15) de l'élément de basculement (7) est inférieur à 90°.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH705/93 | 1993-03-09 | ||
CH00705/93A CH687019A5 (de) | 1993-03-09 | 1993-03-09 | Einteiliger Kunststoffschnappscharnierverschluss. |
PCT/CH1994/000049 WO1994020713A1 (fr) | 1993-03-09 | 1994-03-08 | Fermeture a charniere a declic en une seule piece de matiere plastique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0640167A1 EP0640167A1 (fr) | 1995-03-01 |
EP0640167B1 true EP0640167B1 (fr) | 1997-05-28 |
Family
ID=4193256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94907476A Expired - Lifetime EP0640167B1 (fr) | 1993-03-09 | 1994-03-08 | Fermeture a charniere a declic en une seule piece de matiere plastique |
Country Status (9)
Country | Link |
---|---|
US (1) | US5558239A (fr) |
EP (1) | EP0640167B1 (fr) |
JP (1) | JP3016863B2 (fr) |
AT (1) | ATE153730T1 (fr) |
CA (1) | CA2135379C (fr) |
CH (1) | CH687019A5 (fr) |
DE (1) | DE59402892D1 (fr) |
DK (1) | DK0640167T3 (fr) |
WO (1) | WO1994020713A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19849001A1 (de) * | 1998-01-30 | 1999-08-19 | Soplar Sa | Integral geformter Kunststoffverschluss |
WO2001036286A1 (fr) | 1999-11-18 | 2001-05-25 | Polarcup Gmbh | Charniere a declic et couvercle de contenant |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5642824A (en) * | 1995-12-07 | 1997-07-01 | Aptargroup, Inc. | Closure with multiple axis bistable hinge structure |
US5938087A (en) * | 1997-06-17 | 1999-08-17 | Aptargroup, Inc. | Spurt minimizing dispensing structure |
AU756448B2 (en) * | 1998-04-30 | 2003-01-16 | Creanova Ag | Coordinated multi-axis hinge and closure using the same |
US6152320A (en) | 1998-06-08 | 2000-11-28 | Crown Cork & Seal Technologies Corporation | Closure with articulated lid |
US6050434A (en) * | 1998-07-23 | 2000-04-18 | Mcnab; Donald W. | Container closure with double-axis resiliently-biasing web-hinge structure |
US6305563B1 (en) | 1999-01-12 | 2001-10-23 | Aptargroup, Inc, | One-piece dispensing structure and method and apparatus for making same |
US7073679B1 (en) | 1999-01-27 | 2006-07-11 | Creanova Ag | Closed injection moulded closure providing mating upper and lower parts coupled by integrally formed hinge connections |
US6321923B1 (en) | 2000-04-26 | 2001-11-27 | Seaquist Closures Foreign, Inc. | Bistable hinge with reduced stress regions |
JP4159235B2 (ja) * | 2000-09-04 | 2008-10-01 | エム・エフ・ヴィ株式会社 | ヒンジキャップ |
US7048158B2 (en) * | 2001-02-09 | 2006-05-23 | Crown Cork & Seal Technologies Corporation | Elongated orifice closure |
US7051905B2 (en) | 2002-02-06 | 2006-05-30 | Crown Cork & Seal Technologies Corporation | Elongated orifice closure |
ATE343530T1 (de) * | 2002-01-11 | 2006-11-15 | Bericap Holding Gmbh | Geschlossen herstellbarer kunststoffverschluss, sowie spritzgussform und verfahren zu dessen herstellung |
NO20020277D0 (no) * | 2002-01-18 | 2002-01-18 | Svein Myhre | Fremgangsmåte ved tilveiebringelse av et hengslet garantilukke, hengslet garantilukke og beholder med hengsletgarantilukke |
GB2401859A (en) * | 2003-04-17 | 2004-11-24 | Portola Packaging Ltd | Closure with integral spaced hinge portions |
US7731042B2 (en) * | 2005-12-21 | 2010-06-08 | Seaquist Closures Foreign, Inc. | Closure with hinged lid and stress relief recesses |
US20080083758A1 (en) * | 2006-06-12 | 2008-04-10 | Kraft Foods Holdings, Inc. | Push button flip top with attached second container |
US7644843B1 (en) | 2006-12-14 | 2010-01-12 | Rexam Closures And Containers Inc. | Reverse taper dispensing orifice seal |
US20080264961A1 (en) * | 2007-04-27 | 2008-10-30 | Berry Plastics Corporation | Container closure including flip-top cap |
US7861873B1 (en) | 2007-05-29 | 2011-01-04 | Rexam Closures And Containers Inc. | Flip-top dispensing system with a child resistant latch mechanism |
US8292101B1 (en) | 2007-05-29 | 2012-10-23 | Remax Healthcare Packaging Inc. | Flip-top dispensing system with a child resistant latch mechanism |
EP2250102B1 (fr) * | 2008-02-14 | 2014-09-10 | Creanova Universal Closures Ltd. | Fermeture pourvue d une articulation externe |
US8695857B2 (en) | 2009-02-27 | 2014-04-15 | Taisei Kako Co., Ltd. | Cap and container with cap |
US8672164B2 (en) * | 2010-03-12 | 2014-03-18 | Medport, Llc | Drinking vessel with atmospheric assist valve |
US8899437B2 (en) | 2012-01-20 | 2014-12-02 | Gateway Plastics, Inc. | Closure with integrated dosage cup |
US9475623B2 (en) | 2012-03-26 | 2016-10-25 | Gateway Plastics, Inc. | Closure for a container |
USD679181S1 (en) | 2012-03-26 | 2013-04-02 | Gateway Plastics, Inc. | Closure for a container |
US8955705B2 (en) | 2012-03-26 | 2015-02-17 | Gateway Plastics, Inc. | Closure for a container |
FR2992824B1 (fr) * | 2012-06-29 | 2015-05-22 | Valeo Systemes Thermiques | Boitier monobloc |
WO2020245346A1 (fr) * | 2019-06-07 | 2020-12-10 | Creanova Universal Closures Ltd. | Fermeture à charnière |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2379254A (en) * | 1943-09-21 | 1945-06-26 | Merrill L Rathbun | Closed receptacle or case |
AT238060B (de) * | 1962-03-24 | 1965-01-25 | Peter Florjancic | Gelenkloses Scharnier |
US3628215A (en) * | 1967-12-27 | 1971-12-21 | American Optical Corp | Unitary hinge and spring member |
CH661488A5 (de) * | 1983-06-10 | 1987-07-31 | Alfatechnic Ag | Kunststoffverschluss. |
US4703853A (en) * | 1986-08-28 | 1987-11-03 | Byrns James E | Blow-molded three section storage case |
DE68923024T2 (de) * | 1988-03-28 | 1995-11-02 | Texas Instruments Inc | Leiterrahmen mit verminderter Korrosion. |
US4813560A (en) * | 1988-05-04 | 1989-03-21 | Continental White Cap, Inc. | Spring hinge for dispensing cap |
DE8911643U1 (de) * | 1989-09-29 | 1991-02-07 | Zeller Plastik GmbH, 5583 Zell | Verschluß aus Kunststoff für Behälter- und Flaschenmündungen |
US5007555A (en) * | 1989-12-19 | 1991-04-16 | Creative Packaging Corp. | Biased hinge cap |
CH680782A5 (fr) * | 1990-06-08 | 1992-11-13 | Createchnic Ag | |
DE4031665A1 (de) * | 1990-10-05 | 1992-04-09 | Grass Ag | Faltbare tuer als moebel- oder zimmertuer |
US5128829A (en) * | 1991-01-11 | 1992-07-07 | Health Innovations, Inc. | Hinge and stand for hand-held computer unit |
US5148912A (en) * | 1991-02-27 | 1992-09-22 | Yoshino Kogyosho Co., Ltd. | Cap closing member for container opening |
US5121834A (en) * | 1991-06-27 | 1992-06-16 | Tissembaum Ruben A | Pocket case |
JP3168641B2 (ja) * | 1991-10-17 | 2001-05-21 | ソニー株式会社 | テープカセット用ケース |
US5489035A (en) * | 1994-10-13 | 1996-02-06 | Owens-Illinois Closure Inc. | Closure with snap-type hinge cap |
-
1993
- 1993-03-09 CH CH00705/93A patent/CH687019A5/de not_active IP Right Cessation
-
1994
- 1994-03-08 AT AT94907476T patent/ATE153730T1/de active
- 1994-03-08 CA CA002135379A patent/CA2135379C/fr not_active Expired - Lifetime
- 1994-03-08 US US08/335,705 patent/US5558239A/en not_active Expired - Lifetime
- 1994-03-08 EP EP94907476A patent/EP0640167B1/fr not_active Expired - Lifetime
- 1994-03-08 JP JP6519436A patent/JP3016863B2/ja not_active Expired - Fee Related
- 1994-03-08 DE DE59402892T patent/DE59402892D1/de not_active Expired - Lifetime
- 1994-03-08 WO PCT/CH1994/000049 patent/WO1994020713A1/fr active IP Right Grant
- 1994-03-08 DK DK94907476.9T patent/DK0640167T3/da active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19849001A1 (de) * | 1998-01-30 | 1999-08-19 | Soplar Sa | Integral geformter Kunststoffverschluss |
DE19849001C2 (de) * | 1998-01-30 | 2000-10-12 | Soplar Sa | Integral geformter Kunststoffverschluss |
US6439410B1 (en) | 1998-01-30 | 2002-08-27 | Soplar Sa | Integrally shaped plastic closure |
WO2001036286A1 (fr) | 1999-11-18 | 2001-05-25 | Polarcup Gmbh | Charniere a declic et couvercle de contenant |
DE19955411A1 (de) * | 1999-11-18 | 2001-06-07 | Polarcup Gmbh | Schnappscharnier und Behälterdeckel |
DE19955411C2 (de) * | 1999-11-18 | 2001-09-13 | Polarcup Gmbh | Schnappscharnier und Behälterdeckel |
Also Published As
Publication number | Publication date |
---|---|
DK0640167T3 (da) | 1997-09-29 |
CA2135379A1 (fr) | 1994-09-15 |
WO1994020713A1 (fr) | 1994-09-15 |
CH687019A5 (de) | 1996-08-30 |
CA2135379C (fr) | 2002-02-26 |
US5558239A (en) | 1996-09-24 |
DE59402892D1 (de) | 1997-07-03 |
EP0640167A1 (fr) | 1995-03-01 |
ATE153730T1 (de) | 1997-06-15 |
JP3016863B2 (ja) | 2000-03-06 |
JPH07506645A (ja) | 1995-07-20 |
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