发明名称 |
Process for treating cement mortar linings for pipes, especially pipes carrying drinking water |
摘要 |
Process for treating the cement lining of a pipe esp. for the supply of drinking water to form an inner layer in the region of the internal face of the lining is novel in that the internal face of the lining is treated with NaH2PO4 (sodium dihydrogenphosphate) and/or NaHCO3 (sodium hydrogencarbonate) before installation and/or before use of the pipe. |
申请公布号 |
EP0735012(A1) |
申请公布日期 |
1996.10.02 |
申请号 |
EP19960104201 |
申请日期 |
1996.03.16 |
申请人 |
THYSSEN GUSS AG |
发明人 |
RAMMELSBERG, JUERGEN, DR.;OVERATH, HORST, DR. |
分类号 |
C04B41/50;C04B41/65;C04B41/67;F16L55/164;F16L58/10 |
主分类号 |
C04B41/50 |
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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