Electric wire

Details Electric wire Electric wire

2006-06-06

2006-06-06

Mayo, III, William H. (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

C174S1130AS, C174S115000

Reexamination Certificate

active

07057113

ABSTRACT:
An electric wire includes a core unit including at least two sheathed wires that are helically twisted together about a central axis, and a sheath surrounding the core unit. Each of the sheathed wires includes an insulation layer and a conductive core surrounded by the insulation layer. The sheath is helically twisted about the central axis, and has an outer layer that is helically twisted about the central axis and that has a cross-section which includes a plurality of first crest regions and a plurality of second crest regions that are alternately disposed with the first crest regions. Each of the first crest regions cooperates with an adjacent one of the crest regions to define a trough region therebetween. The distance from each of the first crest regions to the central axis is different from that from each of the second crest regions to the central axis.

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patent: 5329065 (1994-07-01), Marney et al.
patent: 6127632 (2000-10-01), Oswald et al.
patent: 6498300 (2002-12-01), Flick

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