发明名称 |
MANUFACTURE OF METAL TUBES |
摘要 |
(Figures 2 and 3 ) MANUFACTURE OF METAL TUBES An apparatus for forming metal tubes is shown in which a metal strip 2' having a brazing wire 1 bonded to an edge portion thereof passes through the apparatus and is formed by a combination of rollers 17, 17', 19, 19' and dies 15, 24 into a shape defining a tube. A frictional wheel 27 bonds together the two edge portions of the shape defining a tube.
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申请公布号 |
CA2040667(A1) |
申请公布日期 |
1991.10.19 |
申请号 |
CA19912040667 |
申请日期 |
1991.04.17 |
申请人 |
PIRELLI GENERAL PLC |
发明人 |
CLARK, JACK;RYAN, PATRICK B. |
分类号 |
B21C37/08;B21C37/087;B21D5/12;B23K1/06;B23K1/16;B23K1/18;H01B13/26;(IPC1-7):B21C37/06 |
主分类号 |
B21C37/08 |
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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