发明名称 Pneumatic ejection device for thermoplastic injection moulds
摘要 This device comprises a first means consisting in positioning, in the female part 3 of the mould, at least one pneumatic cylinder 5 thrusting, upon opening, the moulded article 1 against the male part 2 of the mould; a second means consisting in providing, over the entire perimeter of the moulded article 1, a circuit of air 10 having a significant flow rate causing the separation of the said article before ejection; a third means consisting in placing, on the ejection element 13 thrust by a pneumatic cylinder 14, a part 2 having a maximum area for bearing against the moulded article 1 whose bottom it matches; a fourth means consisting in installing two complementary circuits of air which assist in holding, thrusting and ejecting the moulded article from the mould. <IMAGE>
申请公布号 FR2649639(A1) 申请公布日期 1991.01.18
申请号 FR19890009739 申请日期 1989.07.13
申请人 SISTAC SA B 发明人 OLIVIER SISTAC
分类号 B29C45/40;B29C45/43 主分类号 B29C45/40
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