发明名称 |
METHOD FOR PRODUCING SEAMLESS PIPES |
摘要 |
The invention relates to a method for producing seamless pipes of heated massive metal blocks, by means of a mandrel (4), which is fastened on a rolling rod (5), in the case of which a coating material is applied onto the inner side of the hollow block (3) during the forming process by means of the influence of the rolling rod (5) from the massive metal block to a hollow block (3), which is created during the forming. |
申请公布号 |
CA2800351(C) |
申请公布日期 |
2017.01.10 |
申请号 |
CA20112800351 |
申请日期 |
2011.06.08 |
申请人 |
COATING MANAGEMENT SWITZERLAND GMBH |
发明人 |
PELTONIEMI, RAIMO;PELTONIEMI, DANIEL |
分类号 |
B21B17/02;B21B25/04;B21B45/04 |
主分类号 |
B21B17/02 |
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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