Pipes and tubular conduits – Flexible – Braided – interlaced – knitted or woven
Patent
1988-12-21
1990-03-13
Robinson, Ellis P.
Pipes and tubular conduits
Flexible
Braided, interlaced, knitted or woven
138125, 138137, 428 361, 428 362, 428 368, 428 3691, 428215, 4284758, 428492, 428494, F16L 1108
Patent
active
049076256
ABSTRACT:
A refregerant transporting hose having an inner tube; an outer tube of a rubber material located radially outwardly of the inner tube; and a reinforcing fiber layer interposed between the inner and outer tubes, such that the reinforcing fiber layer and the inner and outer tubes constitute an integral tubular body, the inner tube including a resinous layer formed of a blend of modified polyolefine and polymaide resin. Alternatively, the inner tube includes a resinous layer formed of a reaction product of polyamide, and polyolefine whose molecular chain has a pair of functional groups at both ends thereof. The hose has a high flexibility as well as a high resistance to gas permeation therethrough.
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Akiyoshi Koji
Ito Hiroaki
Robinson Ellis P.
Tokai Rubber Industries Ltd.
Turner Archene A.
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