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Injection molding method for molding a hollow arti

来源:星星旅游
专利内容由知识产权出版社提供

专利名称:Injection molding method for molding a

hollow article.

发明人:HORIKOSHI, Maki,TANAKA, Yuji,NISHIURA,

Keiji

申请号:EP92904242.2申请日:19920129公开号:EP0529080B2公开日:20051214

摘要:A mold for injection blow molding having large hollow parts (1) is surelyprovided with strength as required by such a mold without depending on ribs which aresimple inner remaining parts unstable positionally and dimensionally. A movable core (5)projecting into the cavity (4) of the metallic mold is displaced by pouring molten resinand pressurized fluid under pressure into said cavity (4) so as to form a support part (2) inthe original position of said movable core (5). With positions and sizes for the movablecore (5) selected, a position and size of a support part (2) to be formed can bedetermined.

申请人:ASAHI CHEMICAL IND

地址:JP

国籍:JP

代理机构:Smulders, Theodorus A.H.J.

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