Woven fabric from splittable ribbons

Details Woven fabric from splittable ribbons Woven fabric from splittable ribbons

B - Operations, Transporting

32

B

139/58, 18/796

B32B 7/08 (2006.01) D01D 5/42 (2006.01) D01F 6/46 (2006.01) D01F 6/92 (2006.01) D03D 1/00 (2006.01) D03D 15/00 (2006.01)

Patent

CA 1319481

ABSTRACT A fabric, useful as a primary carpet backing, woven in both the warp and weft directions from filmy elements in the form of longitudinally-oriented, splittable ribbons formed from a blend of a major amount of polyester and a minor amount of a polyolefin. The ribbons split longitudinally when punctured by a tufting needle, thus providing for a more secure grip on the tufted carpet yarn than that given by conventional polyester backings. The use of polyester as a principal component overcomes certain drawbacks of polypropylene backings. Alternative processes for making these fabrics, each involving a heat-treating step at a temperature of at least 150°F (66°C) for a sufficient period of time to render the ribbons splittable, are also disclosed. RD-4720

597846

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