B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
139/58, 92/17.7
B32B 7/00 (2006.01) B29D 7/00 (2006.01) D01F 6/62 (2006.01) D01F 6/70 (2006.01) D01F 6/92 (2006.01) D01F 6/94 (2006.01) D01F 8/14 (2006.01) D02G 3/02 (2006.01) D03D 1/00 (2006.01) D03D 15/00 (2006.01) D21F 1/00 (2006.01) D21F 1/10 (2006.01) D21F 7/08 (2006.01)
Patent
CA 1335337
This invention discloses a paper-maker's forming fabric wherein some of the yarns are melt-extruded monofilaments, that are a blend of 60 to 90% by weight of a polyethylene terephthalate, together with 40 to 10% by weight of a thermoplastic polyurethane, which may be an ester or ether-based type. Additionally, it is contemplated that the blend may contain up to 5% by weight of a hydrolysis stabilizer. The high abrasion resistance of these blended monofilaments makes them particularly advantageous for use in replacing the nylon-6 and nylon-66 monofilaments currently used in paper machine forming fabrics. The monofilaments disclosed comprising blends of polyethylene terephthalate and thermoplastic polyurethane are also a feature of this invention.
606198
Bhatt Girish M.
Johnson Dale B.
Astenjohnson Inc.
Shapiro Cohen
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