| 发明名称 |
APPARATUS FOR THE MANUFACTURE OF POWDER METAL HELICAL GEARS |
| 摘要 |
Apparatus for pressing powder metal helical gears and similar articles of manufacture wherein the powder is pressed with a twisting motion of the punches. A cam arrangement is described for a pressing apparatus which rotates the punches during pressing.
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| 申请公布号 |
US3677672(A) |
申请公布日期 |
1972.07.18 |
| 申请号 |
USD3677672 |
申请日期 |
1970.03.12 |
| 申请人 |
CHRYSLER CORP. |
发明人 |
JERRY E. HARRINGTON |
| 分类号 |
B22F5/08;(IPC1-7):B30B3/00;B30B11/02 |
主分类号 |
B22F5/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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