A composite textured yarn contains a component yarn A and a component yarn B each false twisted and crimped. The component yarn B is shorter in yarn length or larger in shrinkage at least after heat treatment. Single fibers of component B have thick portions and thin portions successively alternating...http://www.google.es/patents/US6074751?utm_source=gb-gplus-sharePatente US6074751 - Composite textured yarn, a process for its production, woven or knitted fabrics made thereof, and an apparatus for producing it
Composite textured yarn, a process for its production, woven or knitted ...
