A reversible, heat-set covered fiber is described, the covered fiber comprising: A. A core comprising an elastic fiber comprising a substantially crosslinked, temperature-stable, olefin polymer, and B. A cover comprising an inelastic fiber. The fiber is heat-set by a method comprising: (a) Stretching...http://www.google.es/patents/US7955539?utm_source=gb-gplus-sharePatente US7955539 - Reversible, heat-set, elastic fibers, and method of making and article made from same
Reversible, heat-set, elastic fibers, and method of making and article made ...
