| 发明名称 |
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| 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 |
JPH0310493(B2) |
申请公布日期 |
1991.02.13 |
| 申请号 |
JP19860250609 |
申请日期 |
1986.10.21 |
| 申请人 |
RIBU ROTSUKU TEKUNOROJIISU BV |
发明人 |
SUTANRII UIRIAMU OTSUTOO MENZERU;GIRUBAATO UIRIAMU UANSU;DEUITSUDO AARU MOMINII |
| 分类号 |
B29C53/00;B21C37/12;B29C53/58;B29C53/66;B29C53/72;B29C53/78;B29C53/80;B29C53/82;B29C65/00;B29D23/00 |
主分类号 |
B29C53/00 |
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