发明名称 |
METHOD AND APPARATUS FOR MAKING A PIPE HAVING A SOCKET, AND A PIPE HAVING A SOCKET |
摘要 |
A method and an apparatus for making a pipe, and a pipe, wherein the pipe is made from a plastic feedstock pipe by expanding it against a mould. In the first step, that portion of the plastic feedstock pipe (4) which is to have a greater diameter than the rest of the pipe is partly expanded. Only after this is the entire plastic feedstock pipe (4) expanded against the mould (1).
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申请公布号 |
WO0154887(A1) |
申请公布日期 |
2001.08.02 |
申请号 |
WO2001IB00083 |
申请日期 |
2001.01.25 |
申请人 |
UPONOR INNOVATION AB;HOLTSTRAND, PER |
发明人 |
HOLTSTRAND, PER |
分类号 |
B29C57/08;(IPC1-7):B29C57/02;B29C55/24 |
主分类号 |
B29C57/08 |
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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