Deborah Felecia Vaughn

US Patent:

49132083, Apr 3, 1990

Filed:

Jan 21, 1988

Appl. No.:

7/146658

Inventors:

Norman D. Anderson - Uniontown OH
Harold D. Fetty - Asheville NC
Deborah K. Vaughn - Mogadore OH

Assignee:

The Goodyear Tire & Rubber Company - Akron OH

International Classification:

B60C 1106

US Classification:

152209R

Abstract:

A pneumatic tire (10) having a tread (12), carcass (70), sidewalls (14), bead portions (18) and an annular reinforcing structure or belt structure (76). The tread (12) has two different types of circumferential grooves. Two circumferential straight grooves (20) divide the tire into three circumferentially extending portions (24,26,28). Each portion is further divided by a circumferentially extending zig-zag groove (22) or an "S" shaped groove. Each portion is then divided into blocks (30) by a plurality of axially extending grooves (32). The tread-reinforcing structure (76) has two belt plies (78,80) of steel cords (82), the cords of one are oriented at an angle A, with respect to the mid-circumferential centerplane (MC), while the cords of the other are oriented at an angle B, where angle B is less than angle A. The difference between angle A and angle B is greater than one degree and less than or equal to four degrees.