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특허 상세정보

Molding apparatus for producing synthetic resin molded product

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/00    B29C-049/06   
미국특허분류(USC) 425/533 ; 264/32812 ; 264/32813 ; 264/572
출원번호 US-0234606 (1994-04-28)
우선권정보 JP-0274257 (1991-10-22); JP-0274258 (1991-10-22)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 16  인용 특허 : 10
초록

A molding apparatus for producing a synthetic resin molded product including a forming mold with a molding cavity, a gate communicating with the cavity, and an overflow chamber communicating with the cavity through a flow-out passage, a gas blow-in mechanism for blowing gas into molten synthetic resin which has been injected into the cavity through the gate so as to form a void in the molten synthetic resin in the cavity to mold a hollow product and a flow-out passage opening and closing mechanism for closing the flow-out passage until the molten resin f...

대표
청구항

A molding apparatus for producing a synthetic resin molded product, comprising: a forming mold including a molding cavity, a resin injection gate communicating with said molding cavity, and an overflow chamber communicating with said molding cavity at a position of the molding cavity remotest from said resin injection gate through a flow-out passage; a first gas blow-in mechanism including a first gas blow-in hole for communicating with said molding cavity for blowing gas into a molten synthetic resin, which has been injected into said molding cavity thr...

이 특허를 인용한 특허 피인용횟수: 16

  1. Gosdin Michael,DEX. Apparatus for producing hollow plastic objects with pressurized gas injection after overflow cut-off. USP1999075928677.
  2. Eckardt Helmut,DEX ; Ehritt Jurgen,DEX ; Seuthe Alfons,DEX ; Gosdin Michael,DEX. Apparatus for producing plastic objects with solid sections and hollow sections. USP2001076264455.
  3. Kubo Kimihiro,JPX ; Sato Masahiko,JPX ; Kondo Masaaki,JPX. Hollow, resin mechanical part having a shaft integrally formed therewith and an injection molding method for producing t. USP1998065773109.
  4. Heuchert John Michael. Injection mold internal pressure equalization system and method. USP1999125997797.
  5. Gosdin Michael,DEX. Method and apparatus for producing hollow plastic objects with pressurized gas injection after overflow cut-off. USP1998065762861.
  6. Eckardt Helmut,DEX ; Ehritt Jurgen,DEX ; Seuthe Alfons,DEX ; Gosdin Michael,DEX. Method and apparatus for producing plastic objects with solid sections and hollow sections. USP2000116143237.
  7. Eckardt Helmut,DEX ; Ehritt Jurgen,DEX ; Seuthe Alfons,DEX ; Gosdin Michael,DEX. Method and apparatus for producing plastic objects with solid sections and hollow sections. USP1998075776412.
  8. Furuya Norihiko,JPX ; Kubo Kimihiro,JPX ; Kondo Masaaki,JPX. Method for hollow injection molding a shaft-unified type rotator and a molded article obtained thereby. USP2000116143385.
  9. Eckardt Helmut,DEX ; Ehritt Jurgen,DEX ; Lusebrink Klaus,DEX ; Renger Michael,DEX. Method for injection molding of molded parts of thermoplastic material. USP2000026019935.
  10. Driessen Marcellis H. J.,NLX ; Lock Willem,NLX. Method for injection-moulding a hollow product using a pressure variation between two gas volumes. USP1999125997799.
  11. Churchwell Richard. Method for molding hardenable material. USP2000076090327.
  12. Berdan Karl,CAX. Multi-venting molding apparatus. USP1998105824261.
  13. Lenz Udo,DEX ; Neutzler Ulrich,DEX ; Schoengen Anton,DEX ; Sigg Reinhard,DEX. Process for the distillation of crude ester in the DMT/PTA process. USP1998125852201.
  14. Gotterbauer Klaus,DEX. Process of and an apparatus for injection molding hollow-blown plastic bodies. USP1998115837186.
  15. Gotterbauer Klaus,DEX. Process of and an apparatus for injection molding hollow-blown plastic bodies. USP1998065759479.
  16. Shingu, Shigeo; Yogo, Koujun. Roof rail and method for producing the roof rail. USP2005036872355.