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특허 상세정보

Process for thermoforming plastic doors

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-051/04    B29C-051/10   
미국특허분류(USC) 264/545 ; 425/388
출원번호 US-0228063 (1994-04-15)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 30  인용 특허 : 0
초록

The method of molding a refrigerator door by preheating a pair of plastic sheets and thence placing the first sheet and the second sheet on a lower female mold and on a plug assist female mold, respectively. The preheated sheet in the lower mold has a full vacuum drawn thereon to mold such first sheet into the final form of the front door panel. A partial vacuum is drawn on the second sheet to partially form the plastic sheet into the configuration of the final form of the inner door panel and thence the preformed second sheet is transferred to an upper ...

대표
청구항

A process for thermoforming a refrigerator door in a molding apparatus using inner and outer plastic sheets, said inner sheet forming the interior door surface and said outer sheet forming the exterior door surface, said molding apparatus includes a means for transporting the sheets, a preheated, interior plug assist mold mounted on means for moving said mold in and out of the work area, said plug assist mold is made with a low heat transfer material, a interior upper male mold containing peripheral resistance wire, a exterior lower female mold containin...

이 특허를 인용한 특허 피인용횟수: 30

  1. Allard, Paul B.; Naik, Abhay; Olivani, Andrea. Adhesively secured vacuum insulated panels for refrigerators. USP2017129840042.
  2. Miller, Daniel S.; Sampson, Steven E.; Reid, LouJean; Fryer, Frank D.; Petersen, Danny K.; Lindsey, Kurt A.. Adjustable thermal forming die assembly. USP2014128919729.
  3. Ronald K. Anderson ; Xiaoyong Fu ; Sheldon Wayne Mandel ; Steven G. Tirrell. Apparatus for creating a substantially uniform temperature across a plastic sheet for delivery to an appliance liner thermoforming device. USP2002096443721.
  4. Rhoades Randy R. ; Tirrell Steven G.. Apparatus for thermoforming a plastic appliance door. USP1998065759591.
  5. Naik, Abhay; Deka, Lakshya; Allard, Paul B.; Visin, Jerry M.. Attachment arrangement for vacuum insulated door. USP20181210161669.
  6. Wu, Guolian. Dual cooling systems to minimize off-cycle migration loss in refrigerators with a vacuum insulated structure. USP2015119182158.
  7. Cur, Nihat; Wu, Guolian. Folded vacuum insulated structure. USP2015099140481.
  8. Wu, Guolian. Folding approach to create a 3D vacuum insulated door from 2D flat vacuum insulation panels. USP2017039599392.
  9. Allo, Berhanu; Alshourbagy, Mohamed; Anthony, Jon M.; Deka, Lakshya J.; Naik, Abhay; Westlake, Lorraine J.. Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system. USP20190310222116.
  10. Anderson,Ronald K.; Fu,Xiaoyong; Mandel,Sheldon Wayne; Tirrell,Steven G.. Method for creating a substantially uniform temperature across a plastic sheet for delivery to an appliance liner thermoforming device. USP2006097101500.
  11. Allard, Paul B.; Allo, Berhanu; Deka, Lakshya J.; Liu, Hua; Mukherjee, Diptesh. Method of fabricating a vacuum insulated appliance structure. USP20180710030905.
  12. Cur, Nihat; Ramm, Axel Julio; Wu, Guolian; Kendall, James. Method of making a folded vacuum insulated structure. USP2018019874394.
  13. Rhoades Randy R. ; Tirrell Steven G.. Method of thermoforming a plastic appliance door. USP2001026187252.
  14. Tirrell Steven G. ; Becker Theodore A. ; Hattori Kenneth M. ; Crosby Samuel C. ; Mayne Michael C.. Method of thermoforming a plastic refrigerator door. USP1998025716581.
  15. Campbell, Richard W.; Tessier, Noel J.. Method of thermoforming using a syntactic foam plug. USP2011128075835.
  16. Wu, Guolian; Cur, Nihat; Pannock, Jurgen. Method to create vacuum insulated cabinets for refrigerators. USP2017129833942.
  17. Wu, Guolian; Cur, Nihat; Pannock, Jurgen. Method to create vacuum insulated cabinets for refrigerators. USP2015129221210.
  18. Wu, Guolian; Cur, Nihat; Pannock, Jurgen. Method to create vacuum insulated cabinets for refrigerators. USP2016109463917.
  19. Allo, Berhanu; Alshourbagy, Mohamed; Deka, Lakshya J.; Naik, Abhay; Westlake, Lorraine J.. Methods for dispensing and compacting insulation materials into a vacuum sealed structure. USP20180810041724.
  20. Liu, Hua; Deka, Laksha J.; Alshourbagy, Mohamed; Mukherjee, Diptesh. Multi-layer gas barrier materials for vacuum insulated structure. USP20180710018406.
  21. Wu, Guolian. Multi-section core vacuum insulation panels with hybrid barrier film envelope. USP2017069689604.
  22. Wu, Guolian. Multi-section core vacuum insulation panels with hybrid barrier film envelope. USP20181010105931.
  23. Gilbert, Richard R.; Wu, Ed Y.; Jepsen, John M.. Partition system. USP2005106955204.
  24. Sumi, Takehiko; Matsubara, Yoshitaka. Resin laminate manufacturing method. USP2015018926784.
  25. Polk, Jr., Dale E.. Thermoplastic molding process and apparatus. USP2004046719551.
  26. Naik, Abhay. Umbilical for pass through in vacuum insulated refrigerator structures. USP2017099752818.
  27. Cur, Nihat; Wu, Guolian. Vacuum insulated door structure and method for the creation thereof. USP2018029885516.
  28. Cur, Nihat; Wu, Guolian. Vacuum insulated door structure and method for the creation thereof. USP2015059038403.
  29. Kuehl, Steven J.; Ramm, Axel Julio; Wu, Guolian; Kendall, James W.; Cur, Nihat; Allard, Paul B.. Vacuum insulated structure tubular cabinet construction. USP2017129835369.
  30. Wu, Guolian. Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture. USP20180810052819.