| 发明名称 |
Apparatus for moulding helical parts by compacting powdered materials |
| 摘要 |
Apparatus for moulding helical parts by compacting powdered materials to be sintered comprising a pair of dies having helical profiles and movable axially one respect to the other and two plungers adapted to compact the powder in the corresponding die.
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| 申请公布号 |
US3909167(A) |
申请公布日期 |
1975.09.30 |
| 申请号 |
US19730424700 |
申请日期 |
1973.12.14 |
| 申请人 |
ING. C. OLIVETTI & C., S.P.A. UFFICIO BREVETTI |
发明人 |
SIGNORA, MAURIZIO |
| 分类号 |
B22F3/02;B22F3/03;B22F3/035;B22F5/06;B22F5/08;B29C43/00;B29C67/04;B29C67/20;B29D1/00;B30B11/02;(IPC1-7):B30B3/06 |
主分类号 |
B22F3/02 |
| 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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