Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1989-01-12
1990-01-02
Hoch, Raymond
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152554, 152555, 152559, B60C 1505, B60C 0906
Patent
active
048906603
ABSTRACT:
The invention relates generally to pneumatic tires and in particular to pneumatic tires for heavy duty use comprising a diagonal ply carcass and two bead regions (1) each reinforced by two axially spaced apart bead cores (3,4). The present invention is characterized in that the radially outermost ply ending (11) of the first set (8) of plies is located at a height which is greater than the height of the radially outermost ply ending (15) of the second set (9) of plies. The tire construction according to the present invention provides particularly durable bead regions (1) and sidewall regions (2), the stiffness in the head regions (1) and sidewall regions (2) decreasing gradually from the axially inner side towards the axially outer side of the tire.
REFERENCES:
patent: 2257646 (1941-09-01), Pierce
patent: 2943663 (1960-07-01), Antonson
patent: 2994358 (1961-08-01), Trevaskis
patent: 3486547 (1969-12-01), Powers
patent: 3826297 (1974-07-01), Alderfer
patent: 3982580 (1976-09-01), Inoue et al.
patent: 4246949 (1981-01-01), Kawasaki et al.
patent: 4263957 (1981-04-01), Abe
patent: 4340105 (1982-07-01), Abe
patent: 4342351 (1982-08-01), Kuroda
patent: 4349062 (1982-09-01), Tsurunaga et al.
Drayer L. R.
Hoch Raymond
The Goodyear Tire & Rubber Company
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