Stretch circular knit fabrics with multiple elastic yarns
AssigneeInvista North America S.A R.L.
InventorsTianyi Liao, Fred C. Wynegar, Raymond S. P. Leung, Cheng-Yuan Chuang, Juan Cera
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Abstract
Articles of knit fabric having a surface side and a base side, and including a set of ground yarns and a layer of effect yarns, wherein the ground yarns and effect yarns are knit through intermesh points in a predetermined arrangement, wherein the effect yarns are alternately arranged with the ground yarns, and wherein the ground yarns contain at least one elastic fiber and optionally at least one hard fiber, and the effect yarns contain at least one hard fiber or at least one elastic fiber are provided.
Claims34
An article comprising a knit fabric having a surface side and a base side, and including a set of ground yarns and a layer of effect yarns,
- wherein the ground yarns and effect yarns are knit through intermesh points in a predetermined arrangement,
- wherein the effect yarns are alternately arranged with the ground yarns, and wherein the ground yarns comprise at least one elastic fiber, and the effect yarns comprise at least one hard fiber or at least one elastic fiber;
- wherein said base side of said knit fabric comprises jersey stitch loop structure formed from ground yams, and
- said surface side of the fabric has a woven appearance resulting from flat floats of the effect yarns and the intermesh point patterns;
- and
- wherein said knit fabric includes at least one of:
- (a) a ratio of effect yam denier to ground yam denier of about 0.3:1.0 to about 10:1;
- (b) a ratio of float count to loop count of about 1:1 to about 6:1;
- (c) the effect yarn floats over at least 1 wale, but no more than 6 wales along the course between adjacent intermesh points;
- or
- (d) the elastic fiber comprises at least 1% of total fabric weight.
Dependencies are inferred from the claim text.