| 发明名称 |
FOAMABLE AND HEATTEXPANDABLE TUBE |
| 摘要 |
PURPOSE:To prepare a laminated pipe having foamed inner layer by inserting a tube prepared by molding a thermoplastic polymer cotaining a blowing agent followed by drawing to the longitudinal direction, into a pipe, and heating and foaming the inserted tube. |
| 申请公布号 |
JPS53115788(A) |
申请公布日期 |
1978.10.09 |
| 申请号 |
JP19770030818 |
申请日期 |
1977.03.18 |
| 申请人 |
NITTO ELECTRIC IND CO |
发明人 |
URAHAMA KADOAKI;TOMINAGA TAKASHI;NODA KEN;ROKUSHIYA TADAHIRO |
| 分类号 |
B29C63/00;B29C45/00;B29C51/00;B29C55/00;B29C59/00;B29C61/00;B29C61/04;B29C61/08;B29C63/34;B29C63/38;B29C63/46;B29C67/20 |
主分类号 |
B29C63/00 |
| 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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