发明名称 VERFAHREN ZUM HERSTELLEN EINES HOHLEN UMDREHUNGSKOERPERS
摘要 Process for the production of a hollow body of revolution and/or container including the successive steps of forming a dish-shaped blank by a non-cutting shaping operation, forming a bottom portion and an adjoining tubular portion from the blank by a turning operation, and stretching at least the upper part of the bottom portion and the tubular portion to form a convex bottom and pipe portion respectively to form the thin walled body of revolution.
申请公布号 DE2337500(B2) 申请公布日期 1977.10.27
申请号 DE19732337500 申请日期 1973.07.24
申请人 发明人
分类号 B21D51/24;(IPC1-7):B21D51/24 主分类号 B21D51/24
代理机构 代理人
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