[특허]Method for reducing the variance in the forces needed to open reclosable plastic bags from within and from without

Method for reducing the variance in the forces needed to open reclosable plastic bags from within and from without 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-033/16 B65D-033/24 B31B-003/72
출원번호	US-0337569 (1994-11-10)
발명자 / 주소	Tilman Paul A. (New City NY) Scott Richmond M. (Pleasantville NY) Machacek Zdenek (Nanuet NY)
출원인 / 주소	Minigrap, Inc. (Orangeburg NY 02)
인용정보	피인용 횟수 : 63 인용 특허 : 0

초록 ▼

A method for substantially reducing the variance in results obtained in pull tests on reclosable plastic bags, wherein the forces needed to open the bags from within and from without are measured and compared, by controlling the attachment point of the bag wall to the base of the zipper profile requires the use of selectively placed preferential seal areas. These seal areas are provided by disposing an interlayer between each profile and its respective bag wall. The interlayers include a strip of material having a lower melting point than those of the profiles and the bag walls and having a preselected width greater than any possible lateral displacement, or “float”, of the profiles that may occur in the sealing apparatus. Where the strip does not take up the entire width of the interlayer, it has a preselected, constant width and runs parallel to the zipper profiles. The lower melting point of the material of the strip, and the width of the strip, ensure that the seal location on the profiles remains fixed.

대표청구항 ▼

A method for substantially reducing the variance in the forces needed to open reclosable plastic bags from within and from without comprising the steps of: a) providing a first bag wall and a second bag wall; b) providing a first zipper member having a male profile and a second zipper member having a female profile, said male profile and said female profile being interlocked with one another; c) providing a first interlayer and a second interlayer, each of said interlayers being formed at least in part of a strip of material having a lower melting temperature than said zipper members and said bag walls, and having a preselected, constant width; d) disposing said first interlayer between said first bag wall and said first zipper member; e) disposing said second interlayer between said second bag wall and said second zipper member, said strip of material having a lower melting temperature being between said female profile of said second zipper member and said second bag wall; f) providing a first sealing head and a second sealing head; g) directing said first bag wall, first interlayer, first and second zipper members with respective interlocked male and female profiles, second interlayer and second bag wall along a channel between said first and second sealing heads, said first and second zipper members with respective interlocked male and female profiles being within and guided by said channel, said channel having a width such that any lateral movement of said first and second zipper members therein will be less than said preselected widths of said strips of said first and second interlayers; h) disposing said first and second sealing heads over said strips in said first and second interlayers, respectively; i) maintaining said first and second sealing heads at temperatures above the melting temperatures of said strips of material in said first and second interlayers, but below the melting temperatures of said first and second zipper members and said first and second bag walls; and j) sealing said first bag wall to said first zipper member with said strip of said first interlayer, and said second bag wall to said second zipper member with said strip of said second interlayer.

이 특허를 인용한 특허 (63)

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Chen, Paul N.; Long, Steven P.; White, Thomas A., Fins and profiles for plastic bags.
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David G. Vanderlee ; Aaron L. Strand, Method and apparatus for guiding a fastener in a bag making machine.
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Ausnit,Steven, Method and apparatus for making reclosable packages having slider-actuated string zippers.
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Dutt, William Mark; Thomas, Toby R., Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener.
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Dutt,William Mark; Thomas,Toby R., Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener.
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Thieman, Ronald G., Method and apparatus for placing a product in a flexible recloseable container.
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Cappel, Craig E.; Rehwinkel, Gary E.; Talbo, Russell J.; Natterer, Johann, Method for making reclosable package having an accessible zipper.
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Thieman, Ronald G., Method for placing a product in a flexible recloseable container.
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Strand, Aaron L.; Provan, Alexander R.; Coomber, Thomas L.; Thomas, Toby R., Method of applying a slider to a fastener-carrying plastic web.
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Bois Henri Georges,FRX, Method of automatically manufacturing bags, a machine for implementing the method, and resulting bags.
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Alexander R. Provan ; Thomas L. Coomber ; Toby R. Thomas ; Nathan A. Kolovich, Method of making a fasteners arrangement with notches at spaced preseals.
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Kirk E. Belmont ; Ian J. Barclay, Method of manufacturing recloseable packages.
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Thomas, Toby R.; Kolovich, Nathan A.; Cappel, Craig E.; Pistner, Timothy W.; Provan, Alexander R., Methods for applying sliders to reclosable plastic bags.
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Thomas,Toby R.; Kolovich,Nathan A.; Cappel,Craig E.; Pistner,Timothy W.; Provan,Alexander R., Methods for applying sliders to reclosable plastic bags.
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Thomas,Toby R.; Kolovich,Nathan A.; Cappel,Craig E.; Pistner,Timothy W.; Provan,Alexander R., Methods for applying sliders to reclosable plastic bags.
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Thomas,Toby R.; Kolovich,Nathan A.; Cappel,Craig E.; Pistner,Timothy W.; Provan,Alexander R., Methods for applying sliders to reclosable plastic bags.
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Thomas,Toby R.; Aversa,Samuel D.; Athans,John D., Methods of making and filling a fill-through-the-top package.
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Borchardt, Michael G.; Neltner, Andrew E., Multistep occluding zipper with sealing features.
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Thomas,Toby R.; Provan,Alexander R.; Cappel,Craig E.; Benedict,Larry E.; Winiecki,Gerald R., Process for attaching slider operated closure on form-fill-seal packaging machinery.
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Thomas, Toby R.; Provan, Alexander R.; Cappel, Craig E.; Benedict, Larry E.; Winiecki, Gerald R., Process for attaching slider-operated closure on form-fill-seal packaging machinery.
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Thomas,Toby R.; Provan,Alexander R.; Cappel,Craig E.; Benedict,Larry E.; Winiecki,Gerald R., Process for making a recloseable package.
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Long,Steven P.; Cameron,David P., Reclosable fasteners or zippers for use with polymeric bags.
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Cappel,Craig E.; Rehwinkel,Gary E.; Talbo,Russell J.; Natterer,Johann, Reclosable package having an accessible zipper and a method for making the same.
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Ausnit,Steven; Linton,Basil C.; Crunkleton,Gregory H., Tamper-evident reclosable bag having slider-actuated string zipper.
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Thomas, Toby R.; Provan, Alexander R.; Cappel, Craig E.; Benedict, Larry E.; Winiecki, Gerald R., Unit operations on a web with attached zipper and method of performing the same.
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Turvey, Robert R.; Dais, Brian C.; Ackerman, Bryan L.; Pawloski, James C.; Zimmerman, Daniel P.; Jones, Amanda A., Valve for a recloseable container.
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Provan, Alexander R.; Coomber, Thomas L.; Barclay, Ian J.; Dobreski, David V.; Thomas, Toby R., Zipper and zipper arrangements and methods of manufacturing the same.
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Malin Art ; Van Erden Donald L. ; Kohl ; Jr. James G. ; McMahon Michael J., Zipper strip and method of positioning the strip transverse longitudinal axis.
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F. John Herrington, Jr., Zippered resealable closure.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Method for reducing the variance in the forces needed to open reclosable plastic bags from within and from without 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (63)

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연합인증

Method for reducing the variance in the forces needed to open reclosable plastic bags from within and from without 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (63)

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특허 원문 보기

IPC 상위 출원인

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