Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Patent
1982-12-21
1985-12-31
Kucia, R. R.
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
174102P, 174110V, 174121A, H01B 700
Patent
active
045623023
ABSTRACT:
An inside cable having a core of conductors with conductor insulation formed from polyvinylchloride and in which interstices between conductors contains a fire resistant powder to resist burning of the core. The core is surrounded by a fire resistant jacket and the cable is devoid of a tubular metal shield or sheath surrounding the core.
REFERENCES:
patent: 3803339 (1974-04-01), Speekman
patent: 3843831 (1974-01-01), Hutchison et al.
patent: 4004077 (1977-01-01), Woytiuk
patent: 4018983 (1977-04-01), Pedlow
patent: 4238638 (1980-12-01), Cretney
patent: 4401845 (1983-08-01), Odhner
patent: 4419157 (1983-12-01), Ferrentino
Checkland John A.
Woytiuk Leo V.
Austin R. J.
Kucia R. R.
Northern Telecom Limited
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