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특허 상세정보

Process of and an apparatus for injection molding hollow-blown plastic bodies

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/18    B29D-024/00   
미국특허분류(USC) 264/572 ; 425/130
출원번호 US-0652027 (1996-05-21)
우선권정보 DE-0018963 (1995-05-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fitch, Even, Tabin & Flannery
인용정보 피인용 횟수 : 15  인용 특허 : 7
초록

The invention relates to a process of and an apparatus for injection molding hollow-blown plastic bodies in which a mold cavity formed by a tool and consisting of at least one main mold cavity and at least one side mold cavity connected with this is filled with a pressurized flowable plastic melt and, simultaneously or after the setting in of the hardening of the walls in the main mold cavity, a pressurized fluid is introduced into the main mold cavity, as a result of which the flowable core in the main molded cavity is displaced while forming a flow fro...

대표
청구항

[ I claim:] [1.] A process of injection molding hollow-blown plastic bodies, the process comprising:filling a mold cavity with a pressurized flowable plastic melt, said mold cavity comprising at least one main mold cavity and at least one side mold cavity connected to the main mold cavity;introducing a pressurized fluid into the main mold cavity either simultaneously or after setting in of hardening of the plastic melt at mold walls defining the mold cavity, the pressurized fluid effective for displacing a flowable core in the main mold cavity while form...

이 특허를 인용한 특허 피인용횟수: 15

  1. Hutton Norman J.. Collection container assembly. USP2001046221307.
  2. Farmer, Michael L.; Riechers, Michael R.; Henneike, Todd A.. Integral molten evacuation channel. USP2012128337745.
  3. Eckardt, Helmut. Method and apparatus for injection molding parts which have at least one cavity. USP2004036713014.
  4. Eckardt Helmut,DEX ; Ehritt Jurgen,DEX ; Lusebrink Klaus,DEX ; Renger Michael,DEX. Method for injection molding of molded parts of thermoplastic material. USP2000026019935.
  5. Kownacki, Charles D.; Mansfield, Stephen T.; Lawson, Craig J; Crooks, Charline W.. One-piece injection molded window frame and sash. USP2004066749797.
  6. Hendry, James; Homann, Gregory A.; Turczynski, David. Open mold molding. USP2005056890478.
  7. Pearson, Terrence C.. Plastic expulsion process. USP2004076767487.
  8. Pearson, Terrence C.. Plastic expulsion process for forming hollow tubular products. USP2005106953546.
  9. Homann, Gregory A.; Turczynski, David. Plastic injection molded articles with hollow rib members. USP2005056890477.
  10. Homann, Gregory A.; Hendry, James; Turczynski, David. Plastic injection molding with moveable insert members. USP2005096939504.
  11. Homann, Gregory A.. Plastic injection molding with moveable mold members forming speaker grill. USP2005056899843.
  12. Eckardt, Helmut; van der Steen, Stephan; Wulfrath, Marc; Schwesinger, Rolf. Process and apparatus for injection molding of molded parts having at least one cavity. USP2004036709626.
  13. Wulfrath, Marc. Process and apparatus for injection molding of molded parts having at least one cavity. USP2004036709625.
  14. Dante Siano IT. Process and device for co-injection molding multilayer products. USP2002116475413.
  15. Thomas, Ronald. Process for pressure assisted molding of hollow articles. USP2004046716387.