Rigid electrical insulator including a lightly tempered soda-lim

Details Rigid electrical insulator including a lightly tempered soda-lim Rigid electrical insulator including a lightly tempered soda-lim

1987-07-16

1988-07-12

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

With terminal elements

174137B, 428410, H01B 1720, H01B 1714

Patent

active

047571624

ABSTRACT:
Rigid electrical insulator including a soda-lime glass dielectric with an average thickness of 10 to 15 mm, exhibiting a substantially parabolic stress curve, wherein the maximum value of the surface compression stresses at any point in the part falls within the range of 30 to 80 MPa, while the maximum value of the internal tensile stresses at any point in the part falls within the range of 15 to 40 MPa.

REFERENCES:
patent: 3287200 (1966-11-01), Hess et al.
patent: 4471024 (1984-09-01), Pargamin et al.
Riviere, D., "Le Verre Trempe et son Utilisation pour l'Isolement des Lignes Aeriennes a Haute Tension", Technical Brochure of Sediver, Saint-Yorre, Published 1965, 21 pages.
Gardon, R., The Tempering of Flat Glass by Forced Convection, Reports of the VIIth International Congress on Glass, Brussels, Jul. 28-30, 1965, pp. 79.1-79.14.
Breton, Jean-Claude, et al., "Les Verres en Electrotechnique", Publication D240 from Techniques de l'Ingenieur, Dec. 1976, 16 pages (numbered 11-26).

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