发明名称 Molding die apparatus
摘要 A die frame assembly wherein an ejector plate having ejector pins extending therefrom is reciprocally mounted on support posts in the frame assembly through replaceable and lubricated bushings on the ejector plate. The support posts extend between the base or clamping plate and the central sprue section of the frame for rigid support thereof. The support posts are desirably hardened or case-hardened for long wearing.
申请公布号 US4009979(A) 申请公布日期 1977.03.01
申请号 US19740483238 申请日期 1974.06.26
申请人 MASTER UNIT DIE PRODUCTS, INC. 发明人 MARTIN, ROGER G.
分类号 B29C45/40;(IPC1-7):B29F1/14 主分类号 B29C45/40
代理机构 代理人
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