发明名称 |
METHOD AND MACHINE FOR FORMING TUBES FROM A STRIP |
摘要 |
The method of forming tubes from strip in which a complementary rib and groove are spaced apart to each extend longitudinally on the strip and oppositely facing on the said strip characterized by guiding the strip into a helical configuration to overlap the edges of the said strip, and pressing together the overlapping parts of the said strip while maintaining a differential pressure in the direction of feed to force the strip together under such differential pressure. |
申请公布号 |
EP0011916(B1) |
申请公布日期 |
1983.04.13 |
申请号 |
EP19790302097 |
申请日期 |
1979.10.03 |
申请人 |
RIB LOC HONG KONG LIMITED |
发明人 |
MENZEL, STANLEY WILLIAM OTTO;VANCE, GILBERT WILLIAM;MOMINEE, DAVID EARL |
分类号 |
B21C37/12;B29C53/72;B29C53/78;B29C53/82;(IPC1-7):21C37/12 |
主分类号 |
B21C37/12 |
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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