Resilient tires and wheels – Tires – resilient – Patches
Patent
1975-07-29
1978-03-21
Hoffman, Drayton E.
Resilient tires and wheels
Tires, resilient
Patches
152209R, 152354R, 152361R, 152360, B60C 1300, B60C 918
Patent
active
040797686
ABSTRACT:
A pneumatic tire has a tread reinforcement formed of at least two plies of cords which are parallel in each ply and crisscross from one ply to the other, and a tread of which the surface intended to make contact with the ground is narrower than the tread reinforcement. The plies of the tread reinforcement have cords arranged at angles of an absolute value at most equal to 45.degree. with respect to the longitudinal direction of the tire, at least in the zones farthest from the equatorial plane of the tire. On at least one side of the equatorial plane, the tread reinforcement emerges laterally from the portion of the tread not in contact with the ground, by an axial length at most equal to 50 percent of the axial half-width of the tread, measured at the place where the tread reinforcement emerges from the tread. Rubber surrounds the emerging portion of the tread reinforcement on all sides, the surface of the rubber covering the radially outer face of the emerging portion, as seen in radial section, being located at a distance from the axis of rotation of the tire less than the distance from the axis of rotation to the surface of the tread intended to make contact with the ground.
REFERENCES:
patent: 1189223 (1916-07-01), Albrecht
patent: 1337660 (1920-04-01), Killen
patent: 2477754 (1949-08-01), Kraft
patent: 2541506 (1951-03-01), Cuthbertson et al.
patent: 3044519 (1962-07-01), Wright
patent: 3450182 (1969-06-01), Verdier
patent: 3481385 (1969-12-01), Depmeyer et al.
patent: 3516465 (1970-06-01), Guyot
patent: 3814161 (1974-06-01), Powell et al.
patent: 3870095 (1975-03-01), Tangorra
patent: 3976115 (1976-08-01), Mirtain et al.
Compagnie Generale Des Etablissements Michelin
Hoffman Drayton E.
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