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특허 상세정보

Process for producing expanded plastics with skin

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-067/22   
미국특허분류(USC) 264/454 ; 264/466 ; 264/102 ; 264/572
출원번호 US-0037982 (1993-03-26)
우선권정보 JP-0209761 (1992-07-13); JP-0209762 (1992-07-13); JP-0209763 (1992-07-13); JP-0213582 (1992-07-17); JP-0213583 (1992-07-17)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 19  인용 특허 : 0
초록

A process for producing expanded plastic with a skin and a molding apparatus therefor, the process including blowing a parison being held in a closed blow mold to obtain a hollow article, filling the hollow article with thermoplastic preexpanded resin beads before the hollow article is cooled to solidify, heating and fusing said beads, and cooling the expanded plastic. A hollow article and an expanded body are completely fused together, and improved productivity is obtained.

대표
청구항

A process for producing expanded plastic with a skin comprising: 1) blowing a parison held in a blow mold with compressed air to obtain a hollow article, said blow mold being equipped with one or more pipes capable of being inserted into and withdrawn from the mold and connected via valves to a blowing air source, a heating steam source and a vacuum extractor, and a feeder for supplying thermoplastic pre-expanded resin beads, said compressed air being introduced through said one or more pipes, 2) filling the inside of the hollow article with thermoplasti...

이 특허를 인용한 특허 피인용횟수: 19

  1. Roberts, Jr., Richard W.. Bathtub/shower tray support. USP2016039271610.
  2. Roberts, Richard W.. Bathtub/shower tray support. USP20181110130220.
  3. Hiroyuki Gokuraku JP; Naochika Kogure JP; Takashi Kitahama JP. Blow-molded foam and process for producing the same. USP2002086432525.
  4. Roberts, Richard W.. In-situ foam core dielectrically-resistant systems and method of manufacture. USP2014048708177.
  5. Roberts, Richard W.. In-situ foam core structural articles and methods of manufacture of profiles. USP2015089102086.
  6. Roberts, Richard W.. In-situ foam core structural articles and system for forming. USP2017069688046.
  7. Roberts, Jr., Richard W.. In-situ foam core structural energy management system and method of manufacture. USP2014098840819.
  8. Roberts, Richard W.. In-situ foam core vehicle seating system and method of manufacture. USP2015079073462.
  9. Gomibuchi, Masahiro; Tokiwa, Tomoo. Method for producing skin-covered foamed molded article and resulting product. USP2017059636854.
  10. Gomibuchi, Masahiro; Tokiwa, Tomoo. Method for producing skin-covered foamed molded article and resulting product. USP2015119193099.
  11. Reichental Abraham N. ; Shafir Alexander ; Bertram George T. ; Corliss James M.. On-demand production of foam cushions with defined three-dimensional geometry. USP1998075776510.
  12. Roberts, Jr., Richard W.. Packaging component, method of use, and method of manufacture. USP2013128596027.
  13. Addeo Antonio (Novara ITX) Mascia Francesco (Guanzate ITX) Vezzoli Annibale (Carugo ITX) Biscotti Aurelio (Milan ITX). Process for manufacturing bodies of polymeric material, having a core of foamed material enclosed in an outer shell. USP1997035609803.
  14. Erwin Ronald Dean ; Whitley Marvin Ray. Process for manufacturing foam-filled extruded products. USP1998035728330.
  15. Moitzheim, Juergen. Process for producing plastic hollow bodies. USP2003086607680.
  16. Anders Valentinsson SE. Process for the manufacturing of an article of plastic material. USP2002096444149.
  17. Roberts, Jr., Richard W.. Recyclable plastic structural articles and method of manufacture. USP2016059346237.
  18. Roberts, Richard W.. Recyclable plastic structural articles and method of manufacture. USP20190210207606.
  19. Roberts, Jr., Richard W.. Structural plastic articles, method of use, and methods of manufacture. USP2016039272484.