| 发明名称 |
Protector for molten metal casting stream |
| 摘要 |
A protector for a molten metal casting stream includes first and second pipes telescopically connected to each other to form a pipe assembly, and an urging means mounted about the pipe assembly so as to force it to extend in the lengthwise direction.
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| 申请公布号 |
US4369831(A) |
申请公布日期 |
1983.01.25 |
| 申请号 |
US19790099029 |
申请日期 |
1979.11.30 |
| 申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
HAYASHI, KYOZO |
| 分类号 |
B22D7/12;B22D11/10;B22D11/106;(IPC1-7):B22D11/10 |
主分类号 |
B22D7/12 |
| 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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