发明名称 |
VORRICHTUNG ZUM ZURÜCKHALTEN DER SCHLACKE |
摘要 |
PCT No. PCT/GB92/01757 Sec. 371 Date Mar. 23, 1994 Sec. 102(e) Date Mar. 23, 1994 PCT Filed Sep. 24, 1992 PCT Pub. No. WO93/06957 PCT Pub. Date Apr. 15, 1993.A metallurgical dart includes an enlarged refractory head having a top, a bottom, and a central through hole extending from top to bottom of the head and lined with a metallic sleeve, with a portion of the lining sleeve projecting beyond the top and/or bottom of the head; an elongate tail of refractory material with an external and/or internal metallic element and of external diameter slightly less than the internal diameter of the lining sleeve, such that the tail can pass, as a close fit, through the lining sleeve of the head; and at least one crimped or other joint between the metallic element of the tail and the projecting portion of the lining sleeve, to fix the head and tail together. |
申请公布号 |
DE69220073(D1) |
申请公布日期 |
1997.07.03 |
申请号 |
DE1992620073 |
申请日期 |
1992.09.24 |
申请人 |
MONOCON INTERNATIONAL LTD., OLD DENABY, DONCASTER, SOUTH YORKSHIRE, GB |
发明人 |
EASTWOOD, OWEN, THRYBURGH ROTHERHAM S65 4NZ, GB |
分类号 |
B22D41/50;B22D43/00;F27D3/15;(IPC1-7):B22D43/00 |
主分类号 |
B22D41/50 |
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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