[특허]Perforated tear strip for easy-open flexible containers

Perforated tear strip for easy-open flexible containers 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-033/24 B65D-033/34
출원번호	US-0695263 (1991-05-03)
발명자 / 주소	La Pierre Frank (Chicago IL) Beyer Daniel (Northbrook IL) McDonald Daniel P. (Arlington Heights IL)
출원인 / 주소	Illinois Tool Words Inc. (Glenview IL 02)
인용정보	피인용 횟수 : 76 인용 특허 : 0

초록 ▼

An easy-open container includes a membrane forming the top edge of the container and hermetically sealing the contents thereof. Elements for opening the container are disposed on the membrane, and includes a first bead of thermoplastic material and a first perforated line for tearing across the membrane. In one embodiment the membrane is disposed inward from the mouth of the bag, leaving portions of the bag walls extending upward beyond the container top edge to form guide rails which facilitate opening of the container. One guide rail is removed as the bag is opened and remaining portions of the bag walls are offset to enhance access to the bag contents. A membrane for sealing the mouth opening of a bag-like structure is also provided, as are methods for making an easy-open container and for making a membrane having the strcutures aforesaid.

대표청구항 ▼

An easy-open flexible container comprising: a bag structure of thermoplastic material having an opening defined by two generally opposing bag walls; and a membrane having a first surface and a second surface, and said membrane further including: interlocking first and second zipper elements disposed on said first surface of said membrane; and means for tearing said membrane disposed generally between said first and second zipper elements; said means for tearing comprising a first bead of thermoplastic material defining a first tear line, and said means for tearing further comprising a first perforated line of tearing defining a second tear line; wherein said first bead and said first perforated line are in spaced relationship on said membrane; and wherein said membrane is folded to form a container edge and seal said opening, said membrane attached along said second surface thereof to the inside of said bag walls.

이 특허를 인용한 특허 (76)

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Plourde,Eric Paul; Hogan,Robert E., Method of manufacturing packages incorporating easy-open strips.
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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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Becraft, Michael L., Package with on-demand product elevation.
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Wiley Jay M., Packages made with both high-frequency/radio-frequency seals and conventional heat/pressure seals using combinations o.
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Jon M. LaRue ; Craig E. Cappel, Plastic bag slider and end termination installation assembly and method.
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Chen, Chih-Hung, Plastic bags.
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Palmisano Andrew J. (Peotone IL), Reclosable bag closure with tear containing strips.
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Cappel, Craig E., Reclosable bag having tamper-evident member attached to body panels along a line of weakness located below the rib and groove profiles of the bag zipper.
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Cappel,Craig E., Reclosable bag having tamper-evident member removable from the bag along a line of weakness located below the bag zipper.
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Cappel, Craig E.; McManus, Michael W., Reclosable bags having a removable member encapsulating a slider.
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Toby R. Thomas, Reclosable bags having a tamper evident stepped member.
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Cappel, Craig E., Reclosable bags having a tamper-evident member extending over a zipper proximate to a slider.
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Vernon C. Catchman, Reclosable bags having a tamper-evident retaining member extending through a slider.
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St. Phillips Eric A. ; Thomas Toby R. ; Provan Alex R., Reclosable fastener strip with tamper evident feature.
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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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Buchman James E., Reclosable package having a slider device and a tamper-evident structure.
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Buchman James E., Reclosable package having a slider device and tamper-evident structure.
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Buchman, James E., Reclosable package having a zipper closure, slider device and tamper-evident structure.
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Buchman, James E., Reclosable package having a zipper closure, slider device and tamper-evident structure.
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James E. Buchman, Reclosable package having a zipper closure, slider device and tamper-evident structure.
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James E. Buchman, Reclosable package having a zipper closure, slider device and tamper-evident structure.
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Strand, Aaron; Linck, Karl L.; Fischer, Judy; Spaeth, Thomas J.; Kolbe, Jerry D., Resealable bag for filling with food product (s) and method.
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Strand, Aaron; Linck, Karl L.; Fischer, Judy; Spaeth, Thomas J.; Kolbe, Jerry D., Resealable bag for filling with food product (s) and method.
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Strand,Aaron; Linck,Karl L.; Fischer,Judy; Spaeth,Thomas J.; Kolbe,Jerry D., Resealable bag for filling with food product (s) and method.
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Strand, Aaron; Linck, Karl L.; Fischer, Judy; Spaeth, Thomas J.; Kolbe, Jerry D., Resealable bag for filling with food product(S) and method.
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Schneider, John H.; Crevier, Donald L.; Norek, Patricia I., Tamper evident reclosable package.
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Stolmeier Robert C. ; Thieman Ronald G. ; Burke James W. ; O'Connor Thomas P., Tamper evident zipper slider.
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Cappel Craig E. ; Thomas David J. ; Thomas Toby R., Tamper-evident reclosable bag.
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St. Phillips Eric A. ; Vanderlee David G., Tamper-evident reclosable plastic bag with breakaway slider.
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Donnelly Craig S. (Hager City WI) Michalski Daniel G. (Red Wing MN) Carroll David W. (Northfield MN) Cahlander Robert L. (Red Wing MN) Jung Thomas E. (Red Wing MN) Ramacier James D. (Hugo MN), Variable stretch detackification adhesive tape unitizer system.
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Dobreski David V. ; Keyser Charles D. ; Thomas Toby R., Vented reclosable bag.
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Dobreski David V. ; Keyser Charles D. ; Thomas Toby R., Vented reclosable bag.
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Nanba, Yoshinori; Tanaka, Kenichi, Zipper and zipper-equipped bag.
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Nanba, Yoshinori; Tanaka, Kenichi, Zipper and zipper-equipped bag.
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Nanba, Yoshinori; Tanaka, Kenichi, Zipper and zipper-equipped bag.
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Fukumori,Hirotsugu; Kawai,Nobuyuki; Amano,Hirozo; Morikawa,Nobuhiko; Nakajima,Kazuhiko; Fujioka,Satoshi, Zipper tape for a bag and method of producing the same.
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Perforated tear strip for easy-open flexible containers 원문보기

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Perforated tear strip for easy-open flexible containers 원문보기

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