Electricity: conductors and insulators – Insulators – With terminal elements
Patent
1996-01-11
1997-05-27
Sough, Hyung S.
Electricity: conductors and insulators
Insulators
With terminal elements
174209, 29887, H01B 1712
Patent
active
056334788
ABSTRACT:
A composite electrical insulator includes a metal fitting (3, 4) fixedly secured to a fiber-reinforced plastic rod (1) at one end thereof. The rod has a stress-relieved zone (8) situated opposite to the metal fitting (3, 4), and formed by a heat treatment of the rod (1) after an end portion of the rod (1) has been inserted into a bore (5) in the metal fitting (3, 4) and the metal fitting (3, 4) fixedly secured to the rod (1). The heat treatment of the rod (1) is performed at a temperature which is not lower than a heat transition temperature of a matrix resin of the fiber-reinforced plastic material.
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Ghosh Paramita
NGK Insulators Ltd.
Sough Hyung S.
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