Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1974-09-30
1976-04-27
Gwinnell, Harry J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
174110V, 174110E, 252 81, 260DIG24, 427358, 428418, 428463, 428470, 428522, 428921, H01B 344, H01B 340
Patent
active
039536505
ABSTRACT:
A line cord of a telephone handset having individually insulated conductors is jacketed with an extrudable flexible clear flame retardant composition which includes a polyvinyl chloride resin (PVC), 10 to 55 parts by weight per 100 parts by weight of the PVC of a phthalate plasticizer, 3 to 50 parts by weight per 100 parts by weight of the PVC of a phosphate plasticizer, 2 to 5 parts by weight per 100 parts by weight of the PVC of a metallic stabilizer, 0.25 to 1.0 part by weight per 100 parts by weight of the PVC of a lubricant, 0.25 to 1.0 part by weight per 100 parts by weight of the PVC of an ultraviolet absorber, 1 to 4 parts by weight per 100 parts by weight of the PVC of an epoxy resin, and 1 to 8 parts by weight per 100 parts by weight of the PVC of an epoxy plasticizer.
REFERENCES:
patent: 2349413 (1944-05-01), Hemperly
patent: 2717216 (1955-09-01), Arone
patent: 3274135 (1966-09-01), Norman et al.
patent: 3558537 (1971-01-01), Hecker et al.
patent: 3657183 (1972-04-01), Stretanski
patent: 3824202 (1974-07-01), White
sarvetnick, Polyvinyl Chloride, p. 126 (1969).
Sauer Earl Salvator
Vesperman William Charles
Gwinnell Harry J.
Somers E. W.
Western Electric Company Inc.
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