Insulated power cable

Details Insulated power cable Insulated power cable

2006-08-01

2006-08-01

Lee, Jinhee (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

C174S02600R, C174S1130AS, C174S12200R, C174S1240GC, C174S128200

Reexamination Certificate

active

07084349

ABSTRACT:
This invention relates to a transformer containing an insulated power cable including a multi-strand cable of a plurality of bundles of uninsulated wires, and electrical insulation sheathing the cable, the electrical insulation having a thickness of from 0.0625 to 0.5 inches (0.16 to 1.3 centimeters) and containing a plurality of layers of spirally-wrapped, creped tape, the tape being including at least 50 percent by weight of an aramid material, the tape having a density of from 0.1 to 0.5 grams per cubic centimeter prior to being creped.

REFERENCES:
patent: 2607822 (1952-08-01), Crandall
patent: 2624245 (1953-01-01), Cluett
patent: 2798899 (1957-07-01), Crandall
patent: 3260778 (1966-07-01), Walton
patent: 3426405 (1969-02-01), Walton
patent: 3756908 (1973-09-01), Gross
patent: 4090385 (1978-05-01), Packard
patent: 5026456 (1991-06-01), Hesler et al.
patent: WO 2001 91135 (2001-11-01), None
patent: WO 2002/076723 (2002-10-01), None
Research Disclosure RD10833, Apr. 1973, Creped and Calendered Nomex Paper Insulation (H01, B31).
Research Disclosure RD10947, May 1973, Patterned Low Density Nomex Nylon Paper (B31, H01).

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