发明授权
- 专利标题： Method and apparatus for fabricating a hollow body
- 专利标题（中）： 用于制造中空体的方法和装置
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申请号： US09075980申请日： 1998-05-11
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公开(公告)号： US06418607B1公开(公告)日： 2002-07-16
- 发明人: Michael Seifert , Thomas Werle
- 申请人： Michael Seifert , Thomas Werle
- 优先权： DE19719426 19970512
- 主分类号： B23P1700
- IPC分类号： B23P1700
摘要：
In a method and apparatus for fabricating a hollow body, preferably of sheet metal, such as for example automobile hoods and doors, at least two blanks are held sealingly together and the hollow body is then shaped by internal hydroforming.
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