Ribbon cable with a two-layer insulation

Electricity: conductors and insulators – Conduits – cables or conductors – Insulated

Patent

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Details

156 52, 156 55, 174110F, 174117F, 174117FF, 350 9623, H01B 708

Patent

active

044436572

ABSTRACT:
An improved multiconductor ribbon cable the conductors having at least two layers of polytetrafluoroethylene (PTFE) insulation, a porous unsintered inner layer, that is, the one closest to the conductors, and an impermeable sintered outer layer. Webs of impermeable sintered PTFE connect the insulated conductors. The process for manufacturing the cable includes embedding the conductors between inner sheets of expanded unsintered PTFE and outer sheets of extruded unsintered PTFE, then compressing the sheets only in the web region to high density, and sintering the webs plus the outer insulation layer.

REFERENCES:
patent: 3082292 (1963-03-01), Gore
patent: 3833755 (1974-09-01), Soelberg
patent: 3902974 (1974-04-01), Emmel
patent: 4000348 (1976-12-01), Harlow
patent: 4382236 (1983-05-01), Suzuki

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