Electricity: conductors and insulators – Insulators – With terminal elements
Patent
1980-03-04
1981-10-20
Askin, Laramie E.
Electricity: conductors and insulators
Insulators
With terminal elements
174186, H01B 1702
Patent
active
042962765
ABSTRACT:
A synthetic resin insulator comprising a fiber-reinforced plastic rod, metal fittings which hold both ends of the fiber-reinforced plastic rod, and a seamless unitary overcoat which consists of an elastic insulating material. The overcoat covers that part of the surface of the fiber-reinforced plastic rod located between the metal fittings. The external surface of the overcoat is formed into a plurality of sheds, and the metal fittings have metal sleeves pressed onto the end portions of the overcoat, so that those end portions are sandwiched between the metal sleeves and the fiber reinforced plastic rod. The elongation of the outer surface of the overcoat resulting from assembly with the fiber-reinforced plastic rod and pressing of the sleeves is not higher than 2%.
REFERENCES:
patent: 3898372 (1975-08-01), Kalb
Goto Daisaku
Ishihara Takeshi
Sugiura Hitoshi
Askin Laramie E.
NGK Insulators Ltd.
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