| 发明名称 |
APPARATUS FOR PRODUCING ANNULAR CORRUGATED TUBING |
| 摘要 |
Apparatus for continuously forming annular corrugations in moving tubing including a rotatable housing, a die holder adjustably mounted in the housing, and a die mounted in the die holder, wherein the die comprises a ring-shaped member with a helical forming rib on the inner edge thereof.
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| 申请公布号 |
US3656331(A) |
申请公布日期 |
1972.04.18 |
| 申请号 |
USD3656331 |
申请日期 |
1970.03.26 |
| 申请人 |
KABEL-UND METALLWERKE GUTEHOFFNUNGSHUTTE AG. |
发明人 |
HUBERT KUYPERS;FRIEDRICH SCHATZ |
| 分类号 |
F16L9/06;B21D15/04;(IPC1-7):B21D15/06 |
主分类号 |
F16L9/06 |
| 代理机构 |
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代理人 |
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