| 发明名称 |
MOULD SEALING MIXTURE FOR ALUMINOTHERMIC RAIL WELDING |
| 摘要 |
The sealant from the gravel mixture for sealing pre-fabricated forms among themselves and in the connection with the rail during aluminothermic welding of rails consists of 78 to 85 wt. % of fine silica sand of size 0.6 to 0.2 mm, 11 to 16 wt. % of clay powder and 4 to 6 wt.% of water.
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| 申请公布号 |
SK20897(A3) |
申请公布日期 |
1998.10.07 |
| 申请号 |
SK19970000208 |
申请日期 |
1997.02.13 |
| 申请人 |
JANICKO STEFAN;JANICKOVA KATARINA |
发明人 |
JANICKO STEFAN;JANICKOVA KATARINA |
| 分类号 |
B22C1/00;B23K23/00;(IPC1-7):B22C1/00 |
主分类号 |
B22C1/00 |
| 代理机构 |
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代理人 |
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