Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped
Patent
1980-04-17
1981-09-22
Watkins, Donald
Textiles: spinning, twisting, and twining
Strand structure
Covered or wrapped
57 7, 57217, 57232, D07B 714
Patent
active
042902614
ABSTRACT:
Each wire of bare stranded electrical conductor and wire rope when supported outdoors is constantly sliding and rubbing against each adjacent wire in the stranded article due to temperature changes and wind induced vibrations. If the articles are made non-specular or dulled by abrasive blasting the completely stranded article, abrasive particles are entrapped on the interior wires and may cause premature wear and failure of the article. Articles are made non-specular or dulled without abrasive blasting by electrostatic cloud fogging or other methods that only affect the visible surface of the outer wires in the completely stranded article. Overhead supported stranded articles are made non-specular or dulled to reduce visibility because of public demand.
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