Composite fabric with integral thermal layer

Details Composite fabric with integral thermal layer Composite fabric with integral thermal layer

1996-03-12

1997-06-10

Calvert, John J.

Textiles: knitting

Fabrics or articles

Multi-ply

66198, 66200, D04B 100

Patent

active

056365330

ABSTRACT:
A composite fabric includes inner and outer knitted layers which are joined by interlock stitches at predetermined intervals to form a composite fabric. The composite fabric 10 is make on a circular knitting machine having cylinder and dial needles by feeding alternating sets of the yarns to the cylinder and dial needs. The cylinder needles form an outer layer of the fabric by knitting a first set of yarns while the dial needles form the inner layer of the fabric by knitting the second set of yarns. During the knitting process, interlock stitches are formed in every course of alternating sets of wales. The interlock stitches are formed in a first set of alternating wales for a predetermined number of courses then switch to a second set of alternating wales for another predetermined number of courses. The alternating of the interlock stitches with respect to the wales of fabric occurs every predetermined number of wales throughout the length of the fabric to produce a series of air pockets arranged in a checkerboard pattern on the inner layer of the fabric. This process results in the production of a composite fabric having a flat outer layer and a thermal inner layer having inherent insulating properties.

REFERENCES:
patent: 3568475 (1971-03-01), Philip
patent: 4797311 (1989-01-01), Kemp
patent: 5119644 (1992-06-01), Strauss et al.
patent: 5373713 (1994-12-01), Miller

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