发明名称 Extrusion head for large diameter blown plastic film - or tubes
摘要 <p>Head has a centrally positioned mass feed channel to which an annular distribution channel with an annular collecting channel is connected from which opposing, sloped distributor bores run in the direction of the extrusion discharging into a further common annular collecting channel before passing to a press channel with an intermediate orifice ring.</p>
申请公布号 DE2003291(A1) 申请公布日期 1971.08.12
申请号 DE19702003291 申请日期 1970.01.26
申请人 DEMAG AG 发明人 BRAUNS,JUERGEN,DIPL.-ING.
分类号 B29C47/20;(IPC1-7):B29D23/04 主分类号 B29C47/20
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