| 发明名称 |
Blank for rolling and forging and method of producing same |
| 摘要 |
Sintered blanks for rolling and forging, metal powders used in making such blanks, and a method of producing such blanks and powders characterized in that a compound of an alkali metal or an alkaline earth metal is added to the metal powders before sintering.
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| 申请公布号 |
US4029475(A) |
申请公布日期 |
1977.06.14 |
| 申请号 |
US19740532247 |
申请日期 |
1974.12.12 |
| 申请人 |
KABUSHIKI KAISHA HAMAI SEISAKUSHO |
发明人 |
HAMAI, YOSHIHIKO;HAMAI, TATSURO;TANAKA, YUYA;NAKATANI, AKIRA |
| 分类号 |
B22F1/00;B22F1/02;B22F3/10;C22C1/04;(IPC1-7):B22F3/00 |
主分类号 |
B22F1/00 |
| 代理机构 |
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代理人 |
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