[특허]Interlocking closure bag for use in high temperature environment

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-033/24
출원번호	US-0567242 (1983-12-30)
발명자 / 주소	Kamp, Ewald A.
출원인 / 주소	Union Carbide Corporation
대리인 / 주소	LeFever, John C.Grandmaison, Real J.
인용정보	피인용 횟수 : 38 인용 특허 : 10

초록 ▼

A flexible container for storing foods in a freezer and cooking foods therein. The container includes an interlocking closure fastening device comprising an omega-shaped closure element and a co-acting clamping closure element. The co-acting clamping closure element may have a profile portion compri

A flexible container for storing foods in a freezer and cooking foods therein. The container includes an interlocking closure fastening device comprising an omega-shaped closure element and a co-acting clamping closure element. The co-acting clamping closure element may have a profile portion comprising two generally parallel arm portions wherein one of the arm portions terminates in an inwardly curved hook portion, and the other arm portion curves slightly inward prior to terminating in an outwardly extending clamp portion; or the profile portion may comprise two outwardly curved arm portions wherein one of the arm portions terminates in an inwardly curved hook portion, and the other arm portion curves inwardly prior to terminating in a slightly outwardly curved hook portion; or the profile portion may comprise one inwardly curved arm portion terminating in an inwardly curved hook portion, and one generally straight arm portion.

대표청구항 ▼

1. A container comprising two sidewalls and a closure fastening device, said fastening device comprising a first closure element and a second closure element; said first closure element having a general omega shape, comprising an apex portion and a profile portion extending from said apex portion, s

1. A container comprising two sidewalls and a closure fastening device, said fastening device comprising a first closure element and a second closure element; said first closure element having a general omega shape, comprising an apex portion and a profile portion extending from said apex portion, said profile portion comprising two inwardly curved arm portions terminating in two outwardly facing hook portions; said second closure element comprising an apex portion and a profile portion extending from said apex portion, said profile portion comprising outwardly curved first and second arm portions, wherein said first arm portion terminates in an inwardly curved hook portion adapted to engage in a hinging contact with one arm portion of said first closure element, said second arm portion of said second closure element first curving inwardly and then terminating in an outwardly curved portion adapted to engage in a clamping contact with one arm portion of said first closure element. 2. A container in accordance with claim 1 wherein said first closure element and said second closure element are adapted to engage and disengage each other by means of a torquing action so as to form an overlapping occlusion. 3. A container in accordance with claim 1 wherein said first closure element and said second closure element are made from thermoplastic materials. 4. A container in accordance with claim 3 wherein said thermoplastic materials are selected from the group consisting of polyolefins and polyamides. 5. A container in accordance with claim 4 wherein said polyolefins include polyethylene, polypropylene, and polybutene. 6. A container in accordance with claim 1 wherein said first closure element and said second closure element are made from a mixture of polypropylene and ethylene-propylene-diene monomer elastomer, or a mixture of polypropylene and ethylene-propylene copolymer elastomer. 7. A container in accordance with claim 1 wherein said closure fastening device in an occluded position has a height of between about 0.050 to about 0.100 inch as measured from the apex portion of said first closure element to the apex portion of said second closure element. 8. A container in accordance with claim 1 wherein said second closure element has a height of between about 0.040 to about 0.080 inch as measured from the apex portion of said second closure element to the tip of said second arm portion of said second closure element. 9. A container in accordance with claim 1 wherein said first closure element has a height of between about 0.040 to about 0.080 inch as measured from the apex portion of said first closure element to the highest part of the profile portion of said first closure element. 10. A container in accordance with claim 1 wherein said second closure element has a width of between about 0.061 to about 0.130 inch as measured from the widest part of said first arm portion of said second closure element to the widest part of second arm portion of said second closure element. 11. A container in accordance with claim 1 wherein said first closure element has a width of between about 0.040 to about 0.105 inch as measured between the tips of said outwardly facing hook portions of said first closure element. 12. A container in accordance with claim 1 wherein said sidewalls comprise a multilayer film having at least one outer layer of thermoplastic resin material and at least one inner layer of thermoplastic resin material, and wherein said outer layer material has a higher melt temperature than said inner layer material. 13. A container in accordance with claim 12 wherein said inner layer of thermoplastic resin material has a melt temperature of at least about 140° C. 14. A container in accordance with claim 12 wherein said outer layer material is selected from the group consisting of polyesters, polyamides, polysulfones, polyaryl sulfones, and polycarbonates. 15. A container in accordance with claim 12 wherein said inner layer material is selected from the group consisting of polyolefins. 16. A container in accordance with claim 12 wherein said multilayer film includes a bonding layer between said outer layer and said inner layer. 17. A container in accordance with claim 1 wherein said first closure element and said second closure element are arranged in confronting relationship to each other and are permanently connected to said sidewalls near the opening of said container. 18. A container in accordance with claim 1 including flange portions attached to each of said first closure element and said second closure element and to each of said sidewalls. 19. A container in accordance with claim 18 wherein said flange portions include a central portion which is unattached to each of said sidewalls. 20. A container in accordance with claim 19 wherein said flange portions are fabricated from a polymer significantly weaker in tensile strength than the film of said sidewalls, thereby to permit said central portions to stretch without causing a corresponding stretch in said sidewalls. 21. A container in accordance with claim 19 wherein said flange portions are fabricated thin enough to permit said central portions to stretch without causing a corresponding stretch in said sidewalls. 22. A container in accordance with claim 19 wherein said flange portions are fabricated from a polymer significantly weaker in tensile strength than the film of said sidewalls, and thin enough to permit said central portions to stretch without causing a corresponding stretch in said sidewalls. 23. A container in accordance with claim 19 wherein said closure device automatically opens to permit the venting of vapor pressure within the container during the heating of contents in said container. 24. A container in accordance with claim 1 wherein the thickness of said sidewalls is from about 1 mil to about 3 mils.

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이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Kamp Ewald A. (Chicago IL), Closure fastening device.
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Kirkpatrick George F. (Downers Grove IL), Colored interlocking closure strips.
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Kirkpatrick George F. (Downers Grove IL), Colored interlocking closure strips for a container.
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Bloomfield Roger D. (Jackson WY), Double cord edge fastener.
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Kamp Ewald A. (Chicago IL), Film-tape-closure device slot cast integrated interlocking structure and extrusion method.
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Stevenson Fred (Beaverton MI), Freezer to microwave oven bag.
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Krieg Donald J. (Fairport NY), Laminar thermoplastic films, bags thereof.
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Skovgaard Leif O. (Jaegumvej 4 ; Vrogum DK-6840 Oksbol DKX), Thermal insulating and cushioned bag, especially a carrying bag.
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Carlisle Richard S. (P.O. Box 307 Rye NY 10580), Thermally insulative beverage container.
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Long Florren E. (Mount Vernon OH), Thermally-processable flexible package and process for using same.
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이 특허를 인용한 특허 (38) 인용/피인용 타임라인 분석

Tomic Mladomir ; Petkovsek Gregory L., Adhesive structure for heat sealing.
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Pawloski,James C., Apparatus for forming multiple closure elements.
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Price, William D.; Dawkins, Richard R., Clicking closure device for a reclosable pouch.
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Chen Chih-Hung ; Dapkus Andrius ; Mac Pherson Jack A., Closure bag with internal tack surfaces.
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Borchardt, Michael G., Closure device.
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Pawloski, James C.; Gundlach, Douglas P., Closure device for a reclosable pouch.
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Pawloski,James C., Closure device for a reclosable pouch.
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Pawloski,James C.; Dais,Brian C.; Gustafson,David W., Closure device for a reclosable pouch.
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Sasaki, Noriyuki; Kondo, Hideya, Container and container with enclosed contents.
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Sumiyoshi, Nobuaki; Tateishi, Isamu; Mori, Hitoshi; Morimoto, Yasushi, Drug solution having reduced dissolved oxygen content, method of producing the same and drug solution containing unit having reduced dissolved oxygen content.
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Forberg Elizabeth A. (Western Springs IL) Kamp ; deceased Ewald A. (late of Chicago IL by Adele Kamp ; heiress), Elasticized gusseted dish cover, method of making same and article of dispensing.
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Williams John W. (Oak Lawn IL), Enhanced color change interlocking closure strip.
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Williams John W. (Oak Lawn IL), Enhanced color change interlocking closure strip.
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Johnson James R., Fastener assembly.
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Johnson James R. (3819 Greenhill Dr. Chamblee GA 30341), Fastener assembly.
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Mudge Paul R. (Belle Mead NJ) Walker James L. (Whitehouse Station NJ) Barnhart Terence M. (Mishawaka IN), Laminating adhesive for film/paper microwavable products.
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Chertkow, Louis; Pananon, Pam, Method for making a seamless plastic motion discomfort receptacle.
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Kamp Ewald A. (Chicago IL), Multiple omega closures.
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Kamp Ewald A. (Chicago IL), Multiposition interlocking closure fastening device.
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Sasaki, Noriyuki; Kondo, Hideya, Pouch and pouch with enclosed contents.
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Pawloski,James C.; Turvey,Robert R.; Ackerman,Bryan L., Pouch having fold-up handles.
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Pawloski, James C., Reclosable bag having a loud sound during closing.
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Pawloski, James C., Reclosable bag having a loud sound during closing.
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Price, William D.; Dawkins, Richard R., Reclosable bag having a press-to-vent zipper.
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Pawloski, James C., Reclosable bag having a sound producing zipper.
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McCree John O. ; Dawkins Richard ; Toney Ken A., Reclosable fastener assembly with a plastic zipper and slider.
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Blythe, James S.; Dobreski, David V.; Ferrari, Daniel B.; Long, Steven P.; Thomas, Toby R.; Cameron, David P., Reclosable fasteners or zippers for use with polymeric bags.
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Long,Steven P.; Cameron,David P., Reclosable fasteners or zippers for use with polymeric bags.
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Price, William D.; Dawkins, Richard R., Reclosable pouch having a clicking closure device.
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Price, William D.; Dawkins, Richard R., Reclosable pouch having a clicking closure device.
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Price, William D.; Dawkins, Richard R., Reclosable pouch having a clicking closure device.
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Tomic Mladomir, Resealable closure mechanism.
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Mladomir Tomic ; Michael E. Schreiter, Resealable closure mechanism having a slider device.
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Tomic Mladomir, Resealable closure mechanism having slider device and methods.
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Borchardt Michael G. (Woodridge IL) Dorsey Robert T. (Chicago IL) Erwin Kevin H. (Naperville IL) Kamp Ewald A. (Chicago IL), Single hinge interlocking closure profile configuration.
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Smith, Leland J.; Pawloski, James C.; Stanos, Lawrence C., Tactile enhancement mechanism for a closure mechanism.
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Borchardt Michael G. (Woodridge IL) Dorsey Robert T. (Chicago IL) Kamp Ewald A. (Chicago IL), Trident interlocking closure profile configuration.
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Borchardt Michael G. (Woodridge IN) Dorsey Robert T. (Chicago IL) Kamp Ewald A. (Chicago IL), Trident interlocking closure profile configuration.
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[미국특허] Interlocking closure bag for use in high temperature environment 원문보기

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