Tire tread

Details Tire tread Tire tread

1979-08-16

1981-08-18

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209B, B60C 1100

Patent

active

042841151

ABSTRACT:
A relatively high speed and heavy duty bias tire for use in trucks, buses, construction vehicles and the like. In case .beta.>.gamma. wherein .beta. is the slant angle of the face of the groove walls on the center line side and .gamma. is the slant angle of the face of groove walls on the shoulder line side, .beta.=5.degree. to 45.degree., .beta.-.gamma.=1.degree. to 16.degree. and .beta./.gamma.=1.10 to 2.00. In case .beta.=.gamma., then the radius R.sub.1 of curvature between the bottom of the groove walls and the center line side face and the radius R.sub.2 of curvature between the bottom of the groove walls and the shoulder line side face are in the relationships R.sub.1 > R.sub.2 and R.sub.1 /R.sub.2 =1.10 to 2.00.

REFERENCES:
patent: 2756797 (1956-08-01), Campbell
patent: 3055410 (1962-09-01), Caulkins
patent: 3664402 (1972-05-01), Montagne
patent: 3674076 (1972-08-01), Dailey, Jr.
patent: 4177850 (1979-12-01), Ogawa et al.

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