Nv Bekaert Sa

Douglas L Watson

Pol Speleers

Wim Verbrugge

An electrically conductive yarn comprises stainless steel fibers with a specific stainless steel electrical resistance. The stainless steel fibers are coated with a metal coating, consisting of a metal material having a specific electrical resistance, smaller than the specific electrical resistance of stainless steel.

Electrically conductive yarn

A composite longitudinally balanced electrically conductive yarn has a textile fiber core yarn wrapped with a minimum of two, and a maximum four, filaments. One to four of the filaments are metal filaments with the remainder being synthetic filaments. Each metal filament has an equivalent diameter of between 20 and 80 microns, and a wrap frequency of between 200 and 600 turns per meter. At least one of the metal filaments is wrapped in one direction, and at least one of the remaining filaments is wrapped in the opposite direction. The composite yarns of this invention is capable of elongation to accommodate tensile stresses under use, without experiencing a change in conductivity.

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Dunwoody, GA, United States of America

Douglas L Watson