B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/82
B60C 9/18 (2006.01) B60C 3/04 (2006.01)
Patent
CA 1219798
Abstract of the Disclosure Disclosed herein is a pneumatic radial tire for use in a muddy road and/or a snow road, which comprises a pair of annular side wall portions each provided with a bead portion, a tread portion exten- ded over the side wall portions outside in the radial direction of the tire, and a reinforcement consisting of a carcass composed of at least one cord ply containing organic fiber cords therein, which cord ply being wound around a bead core embedded in each of the bead portions from the inside to the outside of the tire, and a belt composed of at least two ply layers superimposed around the crown portion of the carcass and containing rubberized cords of a high elasticity arranged at a relatively small inclination angle with respect to the mid- circumferential plane of the tire, the cords of which being crossed with each other, and rubber fillers each filled between the carcass and the turn-up portion thereof for hardening the bead por- tion. The carcass radial profile is varied by enlarging the negative ratio with use of a block pattern, and deepening the grooves of the pattern in the tread.
462653
Furuya Shinichi
Kato Kenshiro
Togashi Minoru
Tsuda Toru
Bridgestone Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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