Rubber composition for breaker and pneumatic tire using the...

Details Rubber composition for breaker and pneumatic tire using the... Rubber composition for breaker and pneumatic tire using the...

2007-12-11

2007-12-11

Mulcahy, Peter D. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C152S537000

Reexamination Certificate

active

10151093

ABSTRACT:
To provide a rubber composition for breaker having balanced properties among rigidity, heat resistance, adhesiveness, humid aging adhesion and elongation, and a pneumatic tire having a breaker layer or a belt layer comprising the rubber composition. A rubber composition for breaker comprises 55 to 65 parts by weight of carbon black, 5 to 15 parts by weight of silica, 3.5 to 4.5 parts by weight of sulfur, at least 0.08 part by weight of cobalt, a resorcinol resin and a methylene donor based on 100 parts by weight of a rubber component containing a natural rubber and/or an isoprene rubber as a main component.

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patent: 6533008 (2003-03-01), Lickes et al.
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patent: 10-287772 (1998-10-01), None

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