Radial tire for heavy load vehicles including a rubber reinforci

Details Radial tire for heavy load vehicles including a rubber reinforci Radial tire for heavy load vehicles including a rubber reinforci

1991-06-12

1993-07-13

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152532, 152537, B60C 918, B60C 1118

Patent

active

052269876

ABSTRACT:
A radial tire for heavy load vehicles having a steel cord-reinforced belt interposed between the carcass of radial structure and the tread, which comprises a rubber reinforcing layer extending from the center toward the edges along the inside of the tread and having at least one quarter the tread width, said rubber reinforcing layer being made of a rubber composition containing resorcin or a resorcin derivative as a reinforcing agent in addition to carbon black and silica and also containing hexamethylenetetramine or a melamine derivative as a methylene donor, said rubber reinforcing layer having a reinforcing factor of 2.2 to 5.7 which is defined by .sqroot.E'.multidot.d [where E' denotes the dynamic modulus (MPa) of the rubber reinforcing layer and d denotes the thickness (mm) of the rubber reinforcing layer].

REFERENCES:
patent: 4396052 (1983-08-01), Ahagon et al.
patent: 4602063 (1986-07-01), Yamamoto

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