Oliff & Berridge
Refrigerant-transporting hose
 A refrigerant-transporting hose including an elastic tube through which a refrigerant is transported, the elastic tube including a tubular resinous layer formed of a resinous composition, the resinous composition containing as a major component thereof a polyamide resin produced by reaction of hexamethylene diamine and an aliphatic dicarboxylic acid compound having from eight to sixteen carbon atoms. The resinous composition may contain as a major component thereof a mixture of saponified ethylene-vinyl acetate copolymer and a polyamide resin produced by reaction of hexamethylene diamine and an aliphatic dicarboxylic acid compound having from eight to sixteen carbon atoms. 
Tokai Rubber Industries, Ltd.
B B C B B B B B B F F C
B60H B32B C08L B32B B32B B32B B32B B32B B32B F16L F16L C08L
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Hiroaki Ichiro
Ito Igarashi