发明名称 |
Die construction for fan blades |
摘要 |
A die construction for forming or reforming a fan blade to press dies in which opposed dies have cooperating cavities to form a recess to receive the blade, at least a part of one of the cavities having a diaphragm welded thereto to form a chamber beneath the diaphragm so that by pressing the chamber the adjacent part of the blade will be shaped against the surface of the opposing recess.
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申请公布号 |
US4383426(A) |
申请公布日期 |
1983.05.17 |
申请号 |
US19810243688 |
申请日期 |
1981.03.16 |
申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
LEGGE, JOHN R. |
分类号 |
B21J13/02;B21D3/16;B21D22/12;B21D53/78;B21K3/04;B30B5/02;(IPC1-7):B21D22/10 |
主分类号 |
B21J13/02 |
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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