Pipes and tubular conduits – Flexible – Braided – interlaced – knitted or woven
Reexamination Certificate
2008-03-31
2010-02-02
Brinson, Patrick F (Department: 3754)
Pipes and tubular conduits
Flexible
Braided, interlaced, knitted or woven
C138S123000, C138S137000, C138S140000, C428S036910
Reexamination Certificate
active
07654288
ABSTRACT:
A heat-resistant rubber hose for a diesel engine is provided, which is excellent in exhaust gas water resistance (acid resistance), heat resistance, flame resistance and low-temperature property. The heat-resistant rubber hose includes a tubular inner layer (1) and an outer layer (2) provided on an outer peripheral surface of the tubular inner layer (1), the inner layer (1) being composed of an inner layer material essentially including the following components (A) and (B) and free from an acid acceptor, the outer layer (2) being composed of an outer layer material essentially including the following components (A) to (C):(A) an ethylene-vinyl acetate copolymer rubber (EVM);(B) an organic peroxide crosslinking agent; and(C) at least one of a metal hydroxide and a surface-treated metal hydroxide.
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Extended European Search Report dated Jul. 6, 2009, issued in corresponding European Application No. 08006097.
Fukaya Hideji
Noda Masashi
Brinson Patrick F
Tokai Rubber Industries Ltd.
Westerman Hattori Daniels & Adrian LLP
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