发明名称 |
Pipeline for transporting sand, gravel or cement has abrasion-resistant layers at the ends of hardened middle sections in the area covered by connecting sleeve screwed on to middle sections |
摘要 |
The pipeline for transporting solids has abrasion-resistant layers (13) at the ends (5) of hardened middle sections (4) in the area covered by a connecting sleeve (6). The sleeve is screwed on to the middle sections.
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申请公布号 |
DE10021184(A1) |
申请公布日期 |
2001.05.31 |
申请号 |
DE20001021184 |
申请日期 |
2000.05.03 |
申请人 |
ESSER-WERKE GMBH & CO. KG |
发明人 |
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分类号 |
B65G53/52;F16L21/06;(IPC1-7):B65G53/52 |
主分类号 |
B65G53/52 |
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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