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특허 상세정보

Clamshell container with tear-away lid

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-006/28    B65D-041/32   
미국특허분류(USC) 220/042.3 ; 220/042.5 ; 220/266
출원번호 US-0914276 (1997-08-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Armstrong Teasdale LLP
인용정보 피인용 횟수 : 97  인용 특허 : 13
초록

A clamshell container for food is formed of a single sheet of thermoplastic material thermoformed to have a concave base with an upwardly extending sidewall with an outwardly extending peripheral flange. A hinge attachment segment extends outwardly from the base flange, and a lid is connected to the hinge attachment segment along an integral hinge which allows pivoting of the lid to cover and uncover the base. Intermittent perforations in the plastic define a line of weakened material between the base flange and the hinge attachment segment. A tab extend...

대표
청구항

[ We claim:] [1.] A thermoplastic thermoformed container comprising:a base having a bottom wall with an upwardly extending sidewall and a flange which extends around the sidewall and extends outwardly therefrom;a lid which is positionable to overlie and cover the base;a hinge integrally formed with the lid, wherein the lid is pivotable about the hinge; anda hinge attachment segment which extends from the hinge to the base flange, the hinge attachment segment being connected to the base flange along a line of weakened material which is positioned between ...

이 특허에 인용된 특허 (13)

  1. Irvine James E. B. (North Plainfield NJ) Parcels J. Roy (Columbus NJ). Display mountable container having recloseable feature. USP1982114360106.
  2. Wind Harold (C/O F-J Packaging Development Corporation ; 80-103 Surrey Place Jamaica NY 11432). Disposable food container. USP1976023937389.
  3. Anderson David S. (Brooklyn Park MN). Food container with lid closure having a stand feature. USP1990104962849.
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  5. Schlaupitz Robert S. (Wadsworth IL) Antoni Patricia A. (Wheeling IL) Smith Stephen A. (Naperville IL). Individual serving food container with improved housing and closure arrangement. USP1993125269430.
  6. Davis Paul (Swampscott MA). Integral tray and cover with snap lock. USP1981114298133.
  7. Warburton Richard T. (Canandaigua NY). Latching structure for food container. USP1991095046659.
  8. Liu Jack F. (4098 Brigadoon Dr. Shoreview MN 55112) Liu Susan L. (4098 Brigadoon Dr. Shoreview MN 55112). Product holder. USP1980024189054.
  9. Wyslotsky Ihor (Rolling Meadows IL). Recloseable modified atmosphere clamshell package. USP1995075429833.
  10. Borst Rodney D. (Oregon WI). Recloseable nesting tab container. USP1991014986438.
  11. Wells Cindy M. (Madison WI). Rigid one-piece merchandising container. USP1992035092479.
  12. Proffitt James R. (Dublin OH) Richardson Dale S. (Westerville OH). Stackable food container with lid. USP1991055012928.
  13. Borst Rodney D. (Oregon WI). Vacuum-formed container with u-shaped lock. USP1990044917261.

이 특허를 인용한 특허 피인용횟수: 97

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