EP0640167A1 - Snap-on, plastic hinged closure in a single piece. - Google Patents
Snap-on, plastic hinged closure in a single piece.Info
- Publication number
- EP0640167A1 EP0640167A1 EP94907476A EP94907476A EP0640167A1 EP 0640167 A1 EP0640167 A1 EP 0640167A1 EP 94907476 A EP94907476 A EP 94907476A EP 94907476 A EP94907476 A EP 94907476A EP 0640167 A1 EP0640167 A1 EP 0640167A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tilting element
- snap hinge
- piece plastic
- plastic snap
- 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.)
- Granted
Links
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 hinge in the region of the overlapping jacket walls of the lower part and cover, and at least one intermediate element producing the snap action.
- Plastic snap hinge locks of the type mentioned at the outset are known in large numbers and in a wide variety of designs. If one analyzes the snap hinges on plastic closures, one finds that these are principally composed of two basic elements. On the one hand, they have a main joint around which the cover is pivoted 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.
- 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 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 has therefore set itself the task of creating a one-piece plastic snap hinge closure according to the preamble of the claim, the joint of which is designed such that the disadvantages described above are largely eliminated.
- Figure 1 is a partial section through a film hinge joint of a conventional snap hinge closure in the closed and
- FIG. 3 shows a snap hinge closure according to the invention mounted on a container with a view of the joint
- Figure 4 shows the same closure in a side view.
- FIG. 5 shows a diagonal section through the closure according to FIGS. 3 and 4 perpendicular to the swivel axis direction.
- Figure 6 shows the joint on a larger scale in section and in
- Figure 7 discloses the same joint with a slightly different cross-sectional shape of the tilting element.
- Figure 8 shows the spring characteristic of a snap hinge lock with the known joint according to FIGS. 1 and 3 and
- Figure 9 shows the spring characteristic of a snap hinge according to the invention, which is equipped with the new joint.
- 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 effect.
- the entire snap hinge is barely visible from the outside when closed.
- the two pivot axes 6 are here dash-dotted straight and parallel to one another. draws. 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 XX according to FIG. 3.
- the pouring spout 8 arranged in the lower part 1, which is surrounded by a concentric ring wall 14 which is clamped onto a container neck becomes.
- an annular wall 9 sealingly encompassing the spout 8.
- the pressure-resistant tilting element 7 can be seen and it can also be clearly seen that the pivot axes 6 run symmetrically with respect to the parting plane T represented by a dotted line.
- 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 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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Supports For Pipes And Cables (AREA)
- Hinge Accessories (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Hinges (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH705/93 | 1993-03-09 | ||
CH00705/93A CH687019A5 (en) | 1993-03-09 | 1993-03-09 | Unitary plastic snap hinge closure. |
PCT/CH1994/000049 WO1994020713A1 (en) | 1993-03-09 | 1994-03-08 | Snap-on, plastic hinged closure in a single piece |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0640167A1 true EP0640167A1 (en) | 1995-03-01 |
EP0640167B1 EP0640167B1 (en) | 1997-05-28 |
Family
ID=4193256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94907476A Expired - Lifetime EP0640167B1 (en) | 1993-03-09 | 1994-03-08 | Snap-on, plastic hinged closure in a single piece |
Country Status (9)
Country | Link |
---|---|
US (1) | US5558239A (en) |
EP (1) | EP0640167B1 (en) |
JP (1) | JP3016863B2 (en) |
AT (1) | ATE153730T1 (en) |
CA (1) | CA2135379C (en) |
CH (1) | CH687019A5 (en) |
DE (1) | DE59402892D1 (en) |
DK (1) | DK0640167T3 (en) |
WO (1) | WO1994020713A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0933304A1 (en) | 1998-01-30 | 1999-08-04 | Soplar Sa | Plastic closure made of one piece |
WO2000044639A1 (en) | 1999-01-27 | 2000-08-03 | Creanova Ag | Safety mechanism |
EP1230129B1 (en) * | 1999-11-18 | 2004-05-12 | Huhtamaki Alf Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG | Snap hinge and container lid |
Families Citing this family (28)
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 |
US6321923B1 (en) | 2000-04-26 | 2001-11-27 | Seaquist Closures Foreign, Inc. | Bistable hinge with reduced stress regions |
JP4159235B2 (en) * | 2000-09-04 | 2008-10-01 | エム・エフ・ヴィ株式会社 | Hinge cap |
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 |
CN1622901A (en) * | 2002-01-11 | 2005-06-01 | 特克索公开股份有限公司 | Plastic closure which can be produced in a closed manner, injection mould and method for the production thereof |
NO20020277D0 (en) * | 2002-01-18 | 2002-01-18 | Svein Myhre | Method of providing a hinged warranty closure, hinged warranty closure and container with hinged warranty closure |
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 |
PL2250102T3 (en) * | 2008-02-14 | 2015-01-30 | Creanova Universal Closures Ltd | Closure with an external hinge |
WO2010098453A1 (en) * | 2009-02-27 | 2010-09-02 | 大成化工株式会社 | 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 |
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 |
US9475623B2 (en) | 2012-03-26 | 2016-10-25 | Gateway Plastics, Inc. | Closure for a container |
FR2992824B1 (en) * | 2012-06-29 | 2015-05-22 | Valeo Systemes Thermiques | MONOBLOC HOUSING |
AU2020287257A1 (en) * | 2019-06-07 | 2022-01-06 | Creanova Universal Closures Ltd. | Hinged closure |
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 (en) * | 1962-03-24 | 1965-01-25 | Peter Florjancic | Jointless hinge |
US3628215A (en) * | 1967-12-27 | 1971-12-21 | American Optical Corp | Unitary hinge and spring member |
CH661488A5 (en) * | 1983-06-10 | 1987-07-31 | Alfatechnic Ag | PLASTIC LOCK. |
US4703853A (en) * | 1986-08-28 | 1987-11-03 | Byrns James E | Blow-molded three section storage case |
DE68923024T2 (en) * | 1988-03-28 | 1995-11-02 | Texas Instruments Inc | Lead frame with reduced corrosion. |
US4813560A (en) * | 1988-05-04 | 1989-03-21 | Continental White Cap, Inc. | Spring hinge for dispensing cap |
DE8911643U1 (en) * | 1989-09-29 | 1991-02-07 | Zeller Plastik GmbH, 5583 Zell | Plastic closure for container and bottle mouths |
US5007555A (en) * | 1989-12-19 | 1991-04-16 | Creative Packaging Corp. | Biased hinge cap |
CH680782A5 (en) * | 1990-06-08 | 1992-11-13 | Createchnic Ag | |
DE4031665A1 (en) * | 1990-10-05 | 1992-04-09 | Grass Ag | Folding door for room or article of furniture - has individual leaves connected one to another by flexible hinges |
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 (en) * | 1991-10-17 | 2001-05-21 | ソニー株式会社 | Case for tape cassette |
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/en not_active IP Right Cessation
-
1994
- 1994-03-08 AT AT94907476T patent/ATE153730T1/en active
- 1994-03-08 DE DE59402892T patent/DE59402892D1/en not_active Expired - Lifetime
- 1994-03-08 EP EP94907476A patent/EP0640167B1/en not_active Expired - Lifetime
- 1994-03-08 DK DK94907476.9T patent/DK0640167T3/en active
- 1994-03-08 US US08/335,705 patent/US5558239A/en not_active Expired - Lifetime
- 1994-03-08 CA CA002135379A patent/CA2135379C/en not_active Expired - Lifetime
- 1994-03-08 JP JP6519436A patent/JP3016863B2/en not_active Expired - Fee Related
- 1994-03-08 WO PCT/CH1994/000049 patent/WO1994020713A1/en active IP Right Grant
Non-Patent Citations (4)
Title |
---|
CH-A- 400 820 * |
DE-A- 1 808 875 * |
DE-A- 4 031 665 * |
US-A- 5 128 829 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0933304A1 (en) | 1998-01-30 | 1999-08-04 | Soplar Sa | Plastic closure made of one piece |
WO1999038781A1 (en) | 1998-01-30 | 1999-08-05 | Soplar S.A. | Integrally shaped plastic closure |
WO2000044639A1 (en) | 1999-01-27 | 2000-08-03 | Creanova Ag | Safety mechanism |
EP1230129B1 (en) * | 1999-11-18 | 2004-05-12 | Huhtamaki Alf Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG | Snap hinge and container lid |
Also Published As
Publication number | Publication date |
---|---|
DE59402892D1 (en) | 1997-07-03 |
JP3016863B2 (en) | 2000-03-06 |
WO1994020713A1 (en) | 1994-09-15 |
US5558239A (en) | 1996-09-24 |
CH687019A5 (en) | 1996-08-30 |
CA2135379A1 (en) | 1994-09-15 |
CA2135379C (en) | 2002-02-26 |
JPH07506645A (en) | 1995-07-20 |
ATE153730T1 (en) | 1997-06-15 |
DK0640167T3 (en) | 1997-09-29 |
EP0640167B1 (en) | 1997-05-28 |
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