Source: http://www.google.com/patents/US5489035?dq=6,202,008
Timestamp: 2016-12-03 19:59:52
Document Index: 242883539

Matched Legal Cases: ['art.\n6', 'art 11', 'art 12', 'art 11', 'art 12', 'art 12', 'art 11', 'art 12', 'art 11', 'art 12']

Patent US5489035 - Closure with snap-type hinge cap - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA closure with a snap type hinge cap comprising a first part adapted to interengage with the open neck of a container, a second part forming a cap and an integral hinge interconnecting the first part and second part. Each of the parts comprises a base wall and a peripheral skirt. A pair of hinged straps...http://www.google.com/patents/US5489035?utm_source=gb-gplus-sharePatent US5489035 - Closure with snap-type hinge capAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS5489035 APublication typeGrantApplication numberUS 08/322,636Publication dateFeb 6, 1996Filing dateOct 13, 1994Priority dateOct 13, 1994Fee statusPaidAlso published asCA2160429A1, CN1132166A, DE69516072D1, DE69516072T2, EP0706951A1, EP0706951B1Publication number08322636, 322636, US 5489035 A, US 5489035A, US-A-5489035, US5489035 A, US5489035AInventorsTimothy J. FuchsOriginal AssigneeOwens-Illinois Closure Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (16), Referenced by (36), Classifications (5), Legal Events (7) External Links: USPTO, USPTO Assignment, EspacenetClosure with snap-type hinge cap
US 5489035 AAbstract
A closure with a snap type hinge cap comprising a first part adapted to interengage with the open neck of a container, a second part forming a cap and an integral hinge interconnecting the first part and second part. Each of the parts comprises a base wall and a peripheral skirt. A pair of hinged straps extend from the skirts on opposite side of said integral hinge. The ends of the straps are substantially straight and lie in substantially the same plane when the first part and second part are in fully open position. Each strap has a portion intermediate the ends which extends out of the plane. Each strap is untensioned when the first part and second part are in fully open position. The intermediate portions of the straps extend axially in one direction. In one form, the intermediate portions of the straps are curved in cross section. In another form, the intermediate portions of the straps are V-shaped in cross section.
1. A closure with a snap type hinge cap comprisinga first part adapted to interengage with the open neck of a container, a second part forming a cap, an integral hinge interconnecting the first part and second part, each of said parts comprising a base wall and a peripheral skirt, a pair of hinged straps being attached to said skirts and extending from the skirts on opposite side of said integral hinge, each said strap having a uniform cross section throughout its length between the points of attachment to said skirts, the ends of said straps being straight and lying in substantially the same plane when the first part and second part are in fully open position, each said strap being stretched along its length during opening and closing of said first part and second part, each said strap having a portion intermediate said ends which extends out of said plane when the first part and second part are in fully open position, each said strap being untensioned when the first part and second part are in fully open position. 2. The closure set forth in claim 1 wherein said intermediate portions of said straps extend axially in one of an axially downwardly or an axially upwardly direction out of said plane when the first part and second part are in fully open position.
3. The closure set forth in claim 2 wherein said intermediate portions of said straps are curved in cross section along the length of said intermediate portions.
4. The closure set forth in claim 2 wherein said intermediate portions of said straps are V-shaped in cross section along the length of said intermediate portions.
5. The closure set forth in any one of claims 1-4 wherein the end of each said strap is connected horizontally to said skirt of said first part and said skirt of said second part.
6. The closure set forth in claim 5 wherein said skirt of each first part and said skirt of said second part has recesses, said straps having their ends being attached in said recesses.
This invention relates to closures and particularly to closures of the type which include a cap that is connected to the remainder of the closure by an integral hinge.
It has heretofore been proposed that closures be provided for containers wherein the closures on the container by an integral hinge. Conventionally, such closures rely on tension on the hinge to produce a snap action. Typical constructions are shown in U.S. Pat. Nos. 3,628,215, 3,629,901, 3,933,271, 4,047,495, 4,386,714.
Among the objectives of the present invention are to provide an improved closure with a snap-type hinge cap with improved performance and longer life; which reduces or eliminates excessive stress on the straps during opening and closing which might cause breaking; and which can be made with minimal added cost.
In accordance with the invention, a closure with a snap type hinge cap comprises a first part adapted to interengage with the open neck of a container, a second part forming a cap and an integral hinge interconnecting the first part and second part. Each of these parts comprises a base wall and a peripheral skirt. A pair of hinge straps extend from the skirts on opposite side of the integral hinge. The ends of the straps are straight and lie in substantially the same plane when the first part and second part in fully open position. Each strap has a portion intermediate the ends which extends out of the plane. Each strap is untensioned when the first part and second part are in fully open position. The intermediate portions of the straps extend axially in one direction. In one form the intermediate portions of said straps are curved in cross section. In another form intermediate portions of said straps are V-shaped in cross section.
FIG. 1 is a plan view of a closure embodying the invention in open position.
Referring to FIGS. 1-7, the closure 10 embodying the invention is made of plastic such as polypropylene and comprises a first part 11 which is adapted to be threaded on the neck of a container, a second part 12 which forms a cap and an integral hinge 13 connecting the first part 11 and second part 12.
The first part includes a base wall 14 and a peripheral skirt 15 with a shoulder 16 at the juncture of the base wall 14 and a peripheral skirt 15. A tubular spout 17 extends from the exterior surface of base wall 14 and terminates in a chamfer rim 17a. An annular bead 18 is formed on the inner surface of the spout 17. The skirt 15 is formed with an internal thread 19 on the inner surface thereof for engagement with the threads on the neck of a container. The spout 17 provides a dispensing outlet for the contents of a container on which the closure is applied.
The second or cap part 12 is formed with a base wall 20 and a peripheral skirt 21. Shoulder 16 is adapted to be engaged by the free edge of the skirt 21. A cylindrical wall 22, is provided on the inner surface of the base wall 20 and is adapted to telescope into the spout 17 when the cap is moved to closed position. Rib 18 provides a friction fit for wall 22 to both insure a tight seal for the contents of the container and clean the spout of contents. The friction fit also secures the second part in closed position.
Each strap 25 extends between a recess 26 on part 11 and a recess 27 on part 12. The end of each strap 25 is connected the recesses 26, 27 horizontally as viewed in FIG. 4.
Each strap 25 has its ends straight and lying in the same plane when the first part 11 and second part 12 are in fully open position. In this position an intermediate portion 25a of each strap 25 which extends axially out of the plane, herein shown as upwardly curved (FIGS. 3,4).
In the modified form shown in FIGS. 8-10, corresponding parts are designated with the suffix "a". This form differs in that the intermediate portion 25b of each strap is V-shaped in cross section and extends downwardly.
It can thus be seen that there has been provided a closure of the snap-hinge type improved performance and longer life; which reduces or eliminates excessive stress on the straps during opening and closing which might cause breaking; and which can be made with minimal added cost.
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