发明名称 |
Concrete pipes for transporting aggressive materials have end rings made from polymer concrete and internal polymer concrete lining |
摘要 |
<p>The concrete pipes for transporting aggressive materials have end rings (7, 8) made from polymer concrete and an internal lining (9). This is also made from polymer concrete. An independent claim is included for a method for making the pipes.</p> |
申请公布号 |
DE102004007762(A1) |
申请公布日期 |
2005.09.08 |
申请号 |
DE20041007762 |
申请日期 |
2004.02.18 |
申请人 |
DW BETONROHRE GMBH |
发明人 |
MUELLER, HANS-GEORG;ARNDT, RAINER;DOLFEN, HEINZ-TONI |
分类号 |
B28B1/16;B28B21/04;B28B21/88;F16L9/08;F16L57/00;F16L58/06;(IPC1-7):F16L9/08;B28B21/06;F16L9/133 |
主分类号 |
B28B1/16 |
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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