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특허 상세정보

Method for making a tamper-evident, differential pressure-thermoformed lidded plastic container

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65B-007/28    B65B-061/18   
미국특허분류(USC) 53/420 ; 53/471 ; 53/487 ; 53/488
출원번호 US-0275729 (1988-11-15)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 5  인용 특허 : 47
초록

A container is provided in the form of a cup-like container body with a round mouth closed by a lid which becomes removably replaceable upon tearing away of a circumferentially extending tear strip which initially surrounds the mouth rim of the container body as a radially outer, integral part of the lid flange. As the lid is differential pressure-thermoformed, its radially outer region is formed into a generally inverted U-shaped structure which near the juncture of the base and radially outer leg of the inverted U, is provided, within the channel, with...

대표
청구항

A method for making a tamper-evident lid for a container body having an upstanding peripheral sidewall providing a mouth defined at least in part by a rim having an outer portion which projects downwardly and terminates in a lower end, comprising: providing a sheet of thermoplastic resin; differential pressure-thermoforming a site on said sheet to provide a potential lid having a central disk-shaped portion perimetrically surrounded by an inverted U-shaped channel portion having a radially inner wall, a top wall and a radially outer wall; providing a cir...

이 특허에 인용된 특허 (47)

  1. Hoenig James R. (Tinley Park IL) Mallorca Salvador C. (Downers Grove IL). Beaded snaplock closure. USP1979124180179.
  2. Taragna Luigi (Rome ITX) Giovannelli Antonio (Anzio ITX). Bottle cap. USP1986084605137.
  3. Knize Elmer J. (Chicago IL) Avers Daniel C. (Oak Park IL). Can or container and lid therefor. USP1982064335827.
  4. Chang Henry M. (Bronx NY). Closable food container body and utensil enclosing cover assembly. USP1981114300700.
  5. Sutch Brian Leo Chudleigh (Thames Ditton EN). Composite closure member. USP1976053956550.
  6. Hoffman Louis S. (Evan Farm Rd. Morris Township ; Morris County NJ 07960). Container. USP1983024373636.
  7. Morton Clifton G. (4 Stella St. Holland Park ; Queensland AUX 4121). Container. USP1980094220254.
  8. Morton Clifton G. (4 Stella St. Holland Park AUX 4121). Container. USP1983064386715.
  9. Widen Sune (Vallrtsvgen 352 51 VxjSEX) Jensen Brge (Linnegatan 22 340 14 Lagan SEX) Bjrk Lars (Hulie 340 14 Lagan SEX). Container and closure having integral sealing means. USP1984044444332.
  10. Lane ; Jr. Samuel H. (1807 Cedar Elm Dr. W. Arlington TX 76012). Container and lid forming a disposable mold. USP1985014496070.
  11. Moonan William (Shaker Heights OH) Czarnecki John D. (Downers Grove IL). Container and lid structure. USP1976033944115.
  12. Woinarski Peter A. (Woollahra AUX). Container closure. USP1981034256240.
  13. Van Den Brink Anthonie (Westmaas NLX). Container having a detachably fastened lid. USP1988094768668.
  14. La Barge Robert L. (Ben Avon Borough PA) Heffner Robert E. (Lower Burrell PA). Container sealing cap. USP1986044580692.
  15. Lampman ; John Edward. Container with tamperproof and stackable lid. USP1978094111329.
  16. Woinarski, Peter A.. Container-closure arrangement. USP1983044378895.
  17. Holt William Gilbert (Raynham MA). Container-lid interlock. USP1976083977563.
  18. Tebbutt ; Charles N. ; Still ; Charles D. V.. Containers. USP1978054090004.
  19. Crisci ; Victor Eugene. Containers and closures. USP1978034079857.
  20. Ballester Jose F. (GPO Box 4523 San Juan PR 00936). Cover and container assembly. USP1982064334631.
  21. Mills Kenneth (1521 Grand Blvd. Oakville ; Ontario CAX L6H 3E4). Disposable lid for drinking cups. USP1985034502608.
  22. Buckler ; Ernest Jack ; Richmond ; Michael Hugh. Filled-polystyrene laminates. USP1978074101050.
  23. Gall John C. (Chicago IL). Lockable closure for containers. USP1983034376493.
  24. Knollenberg Robert G. (632 Peakview Boulder Heights CO 80302). Method and apparatus for generating a statistical basis. USP1976053956616.
  25. Uhlig Albert R. (Toledo OH). One-piece safety closure for rigid containers having a bead finish. USP1980114235349.
  26. Andrulionis Algis Steven (Fairfield CT). Plastic container. USP1976013934749.
  27. Hammes Theo (Cologne DT) Kuhne Wilhelm (Wiesenbach DT) Gohlke Gerhard (Bammental DT) Maus Udo Hermann (Mauer ; Heidelberg DT). Plastic container-cover assembly. USP1977074034889.
  28. Von Holdt John W. (6864 Lexington La. Niles IL 60648). Plastic lid having opening means. USP1988044735337.
  29. Peschardt Preben (Thisted DKX) Poulsen Jorgen (Thisted DKX). Re-closable container having frangible portion. USP1987044660735.
  30. Andersson Poul G. (Salzburg ATX). Receptacle with a cover of plastics material. USP1981104296871.
  31. Smith Ernest L. (Kansas City MO) MacEwen George E. (Kansas City MO). Reclosable closure. USP1976043951331.
  32. Bernhardt Daniel (P.O. Box 681 Rutland VT 05701). Replaceable multiple seal package. USP1982084346833.
  33. Sturm Winfried Gerhard (Goldach CH). Sealable and sterilizable package. USP1976033946871.
  34. Sturm Winfried Gerhard (Goldach CH). Sealable and sterilizable package. USP1976033946872.
  35. Malsbury Charles R. (Palmer MA) Lawrence Richard R. (Wilbraham MA). Sealing lid and container. USP1987074679699.
  36. Stern James J. (115 Old Short Hills Rd. ; Apt. 343 ; Bldg. 32 West Orange NJ 07052). Self-mating pizza pie container. USP1982114360118.
  37. Davis Paul (Swampscott MA). Sundae dish. USP1981104294371.
  38. Smith Ernest L. (Kansas City MO). Tamper evident closure. USP1985014493432.
  39. Smith Ernest L. (Kansas City MO) Kraft Donald L. (Lenexa KS). Tamper evident food package. USP1984124488658.
  40. Abbott ; Joseph L.. Tamper proof container assembly. USP1978094113136.
  41. Winstead Thomas W. (Baltimore MD). Tamper-evident closure. USP1984124487329.
  42. Edwards Bryant (274 Stonegate Rd. Clarendon Hills IL 60514). Tamper-evident lid. USP1988114787530.
  43. Lawrence Richard R. (39 Manchonis Wilbraham MA 01095) Malsbury Charles R. (R.F.D. #1 Palmer MA 01069) Moreau Glenn (27 Amherst St. Granby MA 01033). Tamper-evident package. USP1988014721210.
  44. Mygatt ; Jr. Leonard T. (Wallingford PA) Goldsmith Edward E. (Passaic NJ). Tamper-indicating container and lid therefor. USP1977064027775.
  45. Helms Charles R. (Malvern PA). Tamperproof closure. USP1984034438864.
  46. Krout Gerald R. (Rte. 1 ; Box 198A Sawyerville AL 36776). Tamperproof lid. USP1984104476993.
  47. Acton Daniel D. (Lancaster OH). Tamperproof molded package. USP1977054024976.