发明授权
- 专利标题: Polyolefin compositions for electrical insulation
- 专利标题(中): 用于电绝缘的聚烯烃组合物
-
申请号: US217926申请日: 1980-12-18
-
公开(公告)号: US4370517A公开(公告)日: 1983-01-25
- 发明人: Kenichiro Soma , Shoji Kuma , Harunori Sakaguchi , Hisanari Shirai , Ryoichi Ito , Toshio Shiina
- 申请人: Kenichiro Soma , Shoji Kuma , Harunori Sakaguchi , Hisanari Shirai , Ryoichi Ito , Toshio Shiina
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi Cable Limited
- 当前专利权人: Hitachi Cable Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX52-159423 19771229; JPX53-151268 19781206
- 主分类号: H01B3/44
- IPC分类号: H01B3/44 ; H01B7/28 ; H02G15/00 ; H02G15/02 ; D03D13/00
摘要:
A polyolefin insulated electric cable exhibiting the effect of suppressed water tree formation which comprises an electrical insulation layer comprising a polyolefin containing about 0.01 to 13.0% by weight ester groups provided around a conductor.
公开/授权文献
- US6055838A Method of forming outer ring of constant velocity joint 公开/授权日:2000-05-02
信息查询