Tire having silica reinforced rubber tread containing carbon fib

Details Tire having silica reinforced rubber tread containing carbon fib Tire having silica reinforced rubber tread containing carbon fib

1995-06-07

1998-02-17

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

1521521, 152DIG2, B60C 1100, B60C 1908

Patent

active

057187819

ABSTRACT:
The invention relates to a rubber tire composed of carbon black reinforced rubber carcass and having a rubber tread which is quantitatively reinforced with silica and contains a minor amount of carbon black reinforcement and/or carbon fibers. When said tread contains silica and carbon black reinforcement exclusive of carbon fibers, the said tread has a thin rubber layer over at least a portion of the outer surface tread intended to be ground-contacting wherein said rubber layer contains a combination of silica and/or carbon black reinforcement and carbon fibers. In one aspect, such alternative outer rubber layer (a) extends across at least a portion of the outer surface of the tread intended to be ground contacting and (b) contacts at least one other carbon black reinforced rubber component of the tire to provide a path of relatively low electrical resistance from said quantitatively silica reinforced tread to the bead portion of the tire carcass.

REFERENCES:
patent: 2339546 (1944-01-01), Hanson
patent: 3768537 (1973-10-01), Hess et al.
patent: 5225011 (1993-07-01), Takino et al.
patent: 5336730 (1994-08-01), Sandstrom et al.
patent: 5518055 (1996-05-01), Teeple et al.

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