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특허 상세정보

Method for scoring rigid plastic sheet material

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-043/04    B29C-059/02   
미국특허분류(USC) 264/325 ; 264/156 ; 264/313 ; 264/320
출원번호 US-0895206 (1986-08-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 18  인용 특허 : 3
초록

A method for making an article, such as a plastic food container lid having frangible score lines. The article is formed of a sheet of plastic material having substantially constant thickness with score lines defining an offset portion thereof which is connected to the remaining sheet material by a segment that is thinner than the sheet material and being rupturable for the removal of the offset portion. The periphery of the inwardly directed portion of the offset portion overlaps the periphery of the outwardly directed portion of the offset portion on t...

대표
청구항

A method for forming finger rupturable frangible score lines in a plastic container lid of rigid plastic sheet material to provide a finger removable portion in said plastic container lid comprising: (a) selecting said lid of rigid plastic sheet material adapted for use in food and beverage containers; (b) placing said lid of sheet material over a female die member having a serrated edge associated therewith, said sheet material of said lid overlapping the edges of said female die member; and, (c) applying force to said lid of sheet material on the oppos...

이 특허를 인용한 특허 피인용횟수: 18

  1. Stamatiou, Dimitri; Petera, Shawn L.; Ryan, Evan L.. Apparatus and method for manufacturing reinforced containers. USP2017069676141.
  2. Stamatiou, Dimitri; Petera, Shawn L.; Ryan, Evan L.. Apparatus and method for manufacturing reinforced containers. USP2014098828170.
  3. Clark, Robert A.; Nowak, William J.; Hannaway, William J.. Apparatus, system and method for cutting and creasing media. USP20190410245803.
  4. Brannock, Samuel Lincoln. Lid for beverage container. USP201509D739729.
  5. Brannock, Samuel Lincoln. Lid for beverage container. USP2014118881938.
  6. Brannock, Samuel Lincoln. Lid with egg shaped basin. USP201508D736623.
  7. Brannock, Samuel Lincoln. Lid with tear line. USP201605D756773.
  8. Brannock, Samuel Lincoln. Lid with triangular shaped basin. USP201508D737142.
  9. Mason, Thomas K.. Method and apparatus for automated storage and retrieval of miniature shelf keeping units. USP2013058444938.
  10. Hollis, Robert W.; Stamatiou, Dimitri. Method of manufacturing a reinforced plastic foam cup. USP2009057536767.
  11. Hollis, Robert W.; Stamatiou, Dimitri. Method of reinforcing a plastic foam cup. USP2010107818866.
  12. Hollis, Robert W.; Stamatiou, Dimitri. Method of reinforcing a plastic foam cup. USP2012018087147.
  13. Wagner David ; Gruber Donald. Punch button and process. USP1999035881611.
  14. Hollis, Robert W.; Stamatiou, Dimitri. Reinforced cup. USP2014018622208.
  15. Hollis, Robert W.; Stamatiou, Dimitri. Reinforced plastic foam cup, method of and apparatus for manufacturing same. USP2010107814647.
  16. Hollis, Robert W.; Stamatiou, Dimitri. Reinforced plastic foam cup, method of and apparatus for manufacturing same. USP2010047704347.
  17. Hollis, Robert W.; Stamatiou, Dimitri. Reinforced plastic foam cup, method of and apparatus for manufacturing same. USP2010047694843.
  18. Hollis, Robert W.; Stamatiou, Dimitri. Reinforced plastic foam cup, method of and apparatus for manufacturing same. USP2009067552841.