Electricity: conductors and insulators – Insulators – Combined
Patent
1976-10-18
1978-07-25
Askin, Laramie E.
Electricity: conductors and insulators
Insulators
Combined
106 97, 106 98, 174182, 174211, 252502, H01B 1742, H01B 1750
Patent
active
041031032
ABSTRACT:
An electrical insulator having a semi-conducting glaze, in which the region between an insulating body whose surface is coated with a semi-conducting glaze, and metal fittings, is filled with a conductive cement composition. The conductive cement composition contains 0.75-3.0 parts by weight of carbon black per each 100 parts by weight of Portland cement and has a high mechanical strength and a low volume resistivity.
REFERENCES:
patent: 3166518 (1965-01-01), Barnard
patent: 3836705 (1974-09-01), Rosenblatt
patent: 3941918 (1976-03-01), Nigol et al.
Askin Laramie E.
NGK Insulators Ltd.
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