H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/16
H01B 9/06 (2006.01) H01B 7/02 (2006.01)
Patent
CA 1220533
SO-2-35632M/TJK/84 ABSTRACT OF THE DISCLOSURE An oil-immersion electrically insulated cable of high performance is constructed by wrapping a conductor with an insulating layer formed by winding on the conductor polypropylene film having a density in the range of 0.905 to 0.915 g/cm3, birefringence in the range of 0.020 to 0.035, ratio of strengths in two axial directions (tensile strength in the longitudinal direction/tensile strength in the lateral direction) in the range of 5 to 15, and thickness in the range of 70 to 300 microns, and impregnating the insulating layer with an insulating oil, preferably DDB oil.
456041
Hata Ryosuke
Hirose Masayuki
Horiuchi Satoshi
Tsunashima Kenji
Yamanouchi Shosuke
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
Toray Industries Inc.
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