发明名称 |
Device and method for forming piping components |
摘要 |
A method and apparatus for being hollow work pieces has a pressurizing arrangement that allows the pressure to be adjusted in an internal cavity defined within the work pieces between subsequent bending operations on any one work piece. The internal cavity is defined by sealing caps that are secured to the ends of the work piece.
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申请公布号 |
US2006059972(A1) |
申请公布日期 |
2006.03.23 |
申请号 |
US20050233534 |
申请日期 |
2005.09.22 |
申请人 |
RACHI MAMORU;TASHIRO YOJI;YOSHINO TAMIO |
发明人 |
RACHI MAMORU;TASHIRO YOJI;YOSHINO TAMIO |
分类号 |
B21D9/15;B21D9/07 |
主分类号 |
B21D9/15 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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