| 发明名称 |
Seal for blow down platen |
| 摘要 |
A blow down hydroforming apparatus for sheet material incorporates an hydraulically inflatable seal disposed between a platen and a table in circumscribing relationship with a cavity formed in the platen to maintain the pressure of gas in the cavity during forming of the sheet material.
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| 申请公布号 |
US5460773(A) |
申请公布日期 |
1995.10.24 |
| 申请号 |
US19930105033 |
申请日期 |
1993.08.11 |
| 申请人 |
FRITZ, MICHAEL L.;FRITZ, ALTON L. |
发明人 |
FRITZ, MICHAEL L.;FRITZ, ALTON L. |
| 分类号 |
B21D22/12;B21D26/02;B29C33/00;B29C51/10;B29C51/26;(IPC1-7):B29C33/00 |
主分类号 |
B21D22/12 |
| 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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