| 发明名称 |
|
| 摘要 |
A shell mold for producing directionally solidified single crystal metal castings in which use is made of a crystal selector of helical shape wound about a support of a non heat disposable material which eliminates the need for providing a crystal selector of sufficient dimension for self support or other supporting means which may form a part of the pattern assembly about which the shell mold is formed. |
| 申请公布号 |
JPH0133273(B2) |
申请公布日期 |
1989.07.12 |
| 申请号 |
JP19790118863 |
申请日期 |
1979.09.18 |
| 申请人 |
HAUMETSUTO TAABIN KONHOONENTSU CORP |
发明人 |
REIMAA BAADO;JEEMUZU KEE DANRII |
| 分类号 |
B22D27/04;B22C9/02;B22C9/04;B22C13/08;B22D25/02;C30B11/00;C30B11/14 |
主分类号 |
B22D27/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
