H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/112
H01B 17/08 (2006.01)
Patent
CA 1168324
Abstract of the Disclosure Suspension insulator of the present invention has an improved shape of embedding portion in a metal pin, which is an embedding multi-step portion constructed with an inverted spherical convex trapezoid upper expanded portion having a larger bottom surface at the top end and an inverted frusto-conical lower expanded portion succeeding to the upper expanded portion. By using such a metal pin, the stress distribution of the insulating body is uniformized and therefore a small size and light weight of suspension insulator having high tensile strength is obtained. - 11 -
388444
Inoue Haruo
Nozaki Hiroshi
Ngk Insulators Ltd.
Smart & Biggar
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