Wrapped elastic yarn

Claim 1

A WRAPPED ELASTIC YARN COMPRISING AT LEAST ONE CONTINUOUS, GENERALLY STRAIGHT, PRE-EXTENDED CENTRAL ELASTOMERIC CORE STRAND AND AT LEAST ONE RELATIVELY FRANGIBLE, CONTINUOUS, GENERALLY STRAIGHT, CENTRAL NON-ELASTIC CORE STRAND, SAID CORE STRANDS EXTENDING GENERALLY AXIALLY OF SAID YARN, AND AT LEAST ONE CONTINUOUS WRAPPING STRAND ASSOCIATED WITH SAID CORE STRNDS IN THE FORM OF A MULTIPLICITY OF CLOSELY ADJACENT PORTIONS DOUBLING BACK AND WOUND IN DOUBLED CONFIGURATION AROUND AND IN INTIMATE CONTACT WITH SAID CORE STRANDS, SAID DOUBLED WRAPPING CONFIGURATION BEING CHARACTERIZED BY AN EQUAL NUMBER OF RIGHT-HAND AND LEFT-HAND TURNS AROUND SAID CORE STRANDS, WHEREBY THE WRAPPING STRAND OF SAID WRAPPED ELASTIC YARN IS ESSENTIALLY FREE OF TRUE TWIST AROUND THE CORE STRANDS, SAID ELASTIC CORE STRAND BEING MAINTAINED IN STABLE PREEXTENDED CONDITION BY THE INTIMACY OF CONTACT THEREWITH OF SAID WRAPPING STRAND.