| 发明名称 |
METHOD OF PROVIDING A GATING MEANS |
| 摘要 |
immersing the cast iron powder in water at 60-100 degrees centigrade to form rust on the surface of cast iron powder and drying the cast iron powder at 100-200 degrees centigrade, press molding the cast iron powder with rust at 900-1100 degrees centigrade under the non-oxidizing atmosphere, and sintering the cast iron powder at 1000-1200 degrees centigrade.
|
| 申请公布号 |
KR970008038(B1) |
申请公布日期 |
1997.05.20 |
| 申请号 |
KR19890014118 |
申请日期 |
1989.09.30 |
| 申请人 |
LANXIDE TECHNOLOGY COMPANY, LP. |
发明人 |
AGHAJANIAN, MICHAEL K.;LANGENSIEPEN, RALPH A.;WIENER, ROBERT J. |
| 分类号 |
B22D19/14;B22D17/14;C04B35/71;C04B41/51;C04B41/88;C22C1/10;C22C21/00;C22C47/08;(IPC1-7):B22D19/14;C22C1/09 |
主分类号 |
B22D19/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
