Elongated electrically insulating support structure and relevant

Details Elongated electrically insulating support structure and relevant Elongated electrically insulating support structure and relevant

1988-03-16

1990-09-18

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Sectional, multi-part, composite, or coated

156172, 156175, 174178, H01B 1756, H01B 1900

Patent

active

049580493

ABSTRACT:
An elongated electrically insulating support structure, for use by itself as an electrical insulator or for use as a strength member in a composite electrical insulator made of fiberglass-reinforced resin, comprising a central cylindrical body and ends having the shape of solids with surfaces of revolution with axial symmetry, having diameters larger than the diameter of the central cylindrical body, with which they are radiused without solution of continuity, i.e., connected without and discontinuity, wherein the central cylindrical body and the ends consist of superimposed and crossed layers of glass filament impregnated with thermosetting resin, wound around a cylindrical element with a helical winding angle smaller than 90.degree..

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patent: 4248062 (1981-02-01), McLain et al.
patent: 4319076 (1982-03-01), Piur
patent: 4495381 (1985-01-01), Timoshenko et al.
patent: 4664644 (1987-05-01), Kumata et al.
Mier-Maza, R., et al., "Failure Analysis of Synthetic Insulators with Fiberglass Rod Submitted to Mechanical Loads", IEEE Transactions on Power Apparatus and Systems, vol. PAS-102, No. 9, Sep. 1983, pp. 3123-3130.
Soviet Inventions Illustrated, El Section, Week 8540, Nov. 13, 1985.
Soviet Inventions Illustrated, El Section, Week 8636, Oct. 15, 1986.

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