Studless tire having tread including fibers oriented in...

Details Studless tire having tread including fibers oriented in... Studless tire having tread including fibers oriented in...

2006-05-16

2006-05-16

Maki, Steven D. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S212000, C152S458000

Reexamination Certificate

active

07044181

ABSTRACT:
There is provided a studless tire that is excellent especially in performance on a snow or ice road. A studless tire, wherein non-metal staple fibers having an average fiber diameter of 1 to 100 μm and an average length of 0.1 to 5 mm are dispersed in a diene rubber in such a way that the non-metal staple fibers are oriented in a thickness direction of a tread, a complex elastic modulus E1in the thickness direction of the tread and an elastic module E2in a circumferential direction of the tire measured at 25° C. satisfy the equation 1.1≦E1/E2≦4, and hardness of the tread rubber measured at −10° C. is 45 to 75 degrees.

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