Resilient tires and wheels – Tires – resilient – Patches
Patent
1980-03-26
1981-04-28
Goolkasian, John T.
Resilient tires and wheels
Tires, resilient
Patches
152359, 152362R, 152354R, B60C 906, B60C 1500
Patent
active
042639573
ABSTRACT:
A highly durable pneumatic tire comprising a carcass body formed by a number of laminated bias laid plies each including rubberized organic textile cords is disclosed. The carcass body is composed of at least two kinds of ply groups whose cords are the same in diameter, but different in the number of twists per unit length, the cords of the outermost ply group of the carcass having the number of twists which is 5% to 30% times larger than the number of twists of the ply group adjacent to the outermost ply group and located at the inner portion in the carcass and which is at least equal to the number of twists of the cords of the innermost ply group, and the cords of the innermost ply group of the carcass having the number of twists which is 5% to 30% times larger than the number of twists of the ply group adjacent to the innermost ply group and located at the outer portion in the carcass.
REFERENCES:
patent: 2188174 (1940-01-01), Castricum
patent: 2990870 (1961-07-01), Vittorelli
S. K. Clark, "Mechanics of Penumatic Tires", NBS Monograph 122, (1971), pp. 172-189, 253-265.
Boland Lois E.
Bridgestone Tire Co. Ltd.
Goolkasian John T.
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