Method of processing tire cord fabric

Details Method of processing tire cord fabric Method of processing tire cord fabric

B - Operations, Transporting

29

D

117/89

B29D 30/38 (2006.01) B29D 30/40 (2006.01) B60C 9/28 (2006.01) D06M 15/564 (2006.01)

Patent

CA 1203721

METHOD OF PROCESSING TIRE CORD FABRIC ABSTRACT OF THE DISCLOSURE Tire cord fabric 10 is processed by support- ing a section 26 of fabric 10 and adjusting the warp cords 12 to hang so that they are evenly distributed in a longitudinal direction. The fabric 10 is then clamped in place and a dilute reactive polyurethane solution is sprayed to wet the cords 12, 14 on both sides of the fabric 10 so that the coating on the cords 12, 14 is extremely thin and acts as a sizing material for the fabric 10 to give it dimensional stability and preserve the interstices 76 of the cords 12, 14. The fabric 10 is then heated to evaporate the solvent and cause the polyurethane mixture to be at least partially cured and to at least partially cover the cords 12, 14 of the fabric 10. The treated fabric 10 may be used to re- inforce a cast polyurethane tire 78.

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