Radial ply tire with shoulder reinforcement between belt and car

Details Radial ply tire with shoulder reinforcement between belt and car Radial ply tire with shoulder reinforcement between belt and car

1990-10-29

1992-02-18

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152526, 152527, 152538, 152555, B60C 926, B60C 918, B60C 900

Patent

active

050885383

ABSTRACT:
A radial ply pneumatic tire (1) has carcass plies (16, 17), folded axially around a pair of axially spaced apart bead cores (2). The crown reinforcement (5) has one belt ply (7) folded around at least two unfolded plies (8, 9) and a shoulder reinforcing structure (11) comprising a least three layers reinforced by textile cords, forming with an axial plane intersecting them, angles which are opposed. The layers have substantially the same width. In a preferred embodiment, the lateral extend (G) of the layers under the folded belt ply (7) ranges between B/4 and B/3, wherein B is half the lateral width of the folded ply and the lateral extent (L) into the sidewall, beyond the edge of the folded ply, ranges between G and 2G.

REFERENCES:
patent: 3233649 (1966-02-01), Jolivet et al.
patent: 3386487 (1968-06-01), Massoubre
patent: 3934634 (1976-01-01), Verdier
patent: 4047551 (1977-09-01), Mezzanotte
patent: 4129162 (1978-12-01), Dewitt
patent: 4166491 (1979-09-01), Mezzanotte
patent: 4287929 (1981-09-01), Huinink
patent: 4402356 (1983-09-01), Musy
patent: 4790364 (1988-12-01), Lobb et al.
patent: 4800941 (1989-01-01), Kabe et al.
patent: 4807681 (1989-02-01), Kadota
patent: 4832101 (1989-05-01), Welter
patent: 4850412 (1989-07-01), Gupta
patent: 4890659 (1990-01-01), Harakon et al.
patent: 4947915 (1990-08-01), Panikkar et al.
patent: 4966214 (1990-10-01), Kadota
Mechanics of Pneumatic Tires, ed. Samuel Clark, U.S. Dept. of Transportation, Aug. 1981, p. 131.

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