发明名称 Device and method for expansion forming
摘要 The present invention relates to a method and a device for expansion forming of an article. According to at least one aspect of the invention, an expansion forming tool is pressure-compensated from two sides, pressure differences on each side being equalized by means of a pressure transmitter, which is applicable to the tool.
申请公布号 US7509827(B2) 申请公布日期 2009.03.31
申请号 US20050513707 申请日期 2005.08.10
申请人 AVURE TECHNOLOGIES AB 发明人 HELLGREN KEIJO
分类号 B21D22/12;B21D26/039 主分类号 B21D22/12
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