Arnold, White & Durkee
Hay conditioning roll with a reinforced roll cover
 A reinforced elastomer cover for use on conditioning rolls in harvesting machines for conditioning crop material. The roll cover comprises one or more layers or plies of reinforcing material interspersed between and bonded to layers of the elastomer. The reinforcing material preferably comprises fibers of synthetic polymers or glass. The reinforced elastomer sheets are placed on roll cores and bonded or otherwise secured to the outer periphery of the roll core. The reinforced elastomer sheets are also molded or machined to possess the desired tread pattern. The sheets may be assembled and bonded directly on a roll core and thereafter vulcanized; or the vulcanized sheets may be bonded or otherwise secured to the cores. 
Morrison Company, Inc.
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Dale B.
Arnold