B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/100, 154/101
B32B 25/10 (2006.01) B29C 37/00 (2006.01)
Patent
CA 1138272
ABSTRACT The bladder has at least a portion of its outer surface comprrising a fabric layer of cords partially embedded therein so that such cords project slightly above the rubber surface. The article is manufactured by calendering a fabric layer of cords on one side only with a coating of uncured and unvulcanized rubber, applying the layer to the bladder material with the rubber coated surface in contact therewith, and heating the article so formed to cure the rubber coating. The curing causes some of the rubber coating to flow between and over the outside surfaces of the cords. This excess rubber is removed by abrading the article so as to expose the cords. The abrading removes some of the cured rubber between the cords so that the cords project slightly above the surface of the rubber substrate.
362847
Mccreary Tire & Rubber Company
Smart & Biggar
LandOfFree
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