D - Textiles – Paper – 04 – B
Patent
D - Textiles, Paper
04
B
66/97
D04B 23/08 (2006.01) D04B 21/14 (2006.01) D04B 23/10 (2006.01)
Patent
CA 1150071
ABSTRACT Filling Effect Designs On A Stitch-Through Fabric A novel concept in stitch-bonded fabrics made on a stitch-through type machine such as a Malimo machine is disclosed which involves in one embodiment, the creation of a block pattern design using a textile pattern design element (e.g., a single yarn end) disposed along non- rectilinear pathways, with segments of the design element extending essentially perpendicular to the longitudinal direction of the fabric. A single system of longitudinal knitting thread wales, each wale comprising a multiplicity of looped stitch courses which engage the design element with loops of knitting thread on the rear surface of the fabric and laps of the knitting thread courses on the front surface, binds and secures the design element into an integrated unitary textile structure. In one embodi- ment, a block pattern design is formed from a single tex- tile element having segments of substantial length dis- posed in parallel configuration perpendicular to the longitudinal direction of the fabric. The creation of the present fabric is made possible by the method and apparatus of the invention, which, in one embodiment, comprises a novel yarn feeding mechanism for guiding a textile pattern design element through a tube, the exit end of which delivers the element at a point in proximity to the fabric-forming work zone of the stitch-through machine, whereupon a circular rotating brush flanking the tube engages the element and places or pushes it into the work zone and holds it down therein whereupon the segment of the design element thus placed is stitched into the fabric construction while disposed essentially parallel to the elongated work zone during a stitching cycle of the stitch-through machine. In this way the stitched-in segment becomes a horizontal decorative yarn portion integral with the fabric. The tube and circular brush cooperate as a unitary design element feed mechanism adapted to reciprocate along the work zone by a pre- programmed computer-controlled stepping motor which propels the design element feed mechanism by means, e.g,, of a flexible drive belt. The aggregate effect of this operation is a pre-determined design pattern on the fabric derived from a single textile element.
359946
Osler Hoskin & Harcourt Llp
Polylok Corporation
LandOfFree
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