Pneumatic tires having improved uniformity at tire-wheel assembl

Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube

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Details

152539, 152543, 152544, 152545, 152547, B60C 1502, B60C 15024, B60C 1505, B60C 1506

Patent

active

054602149

ABSTRACT:
A pneumatic tire having an improved uniformity at tire-wheel assembled state includes a pair of bead portions each closely fitted to a slant bead seat of a standard rim when the tire is mounted on the standard rim, the standard rim including for each bead portion, a rounded concave corner portion smoothly connected to the corresponding slant bead seat and a flange protrusively extending outward from the corresponding rounded concave corner portion and having a curved portion. In this tire, each bead portion has an expanded heel bringing about close fitting to the corresponding rounded concave corner portion prior to a contact between the corresponding curved portion and the corresponding bead portion.

REFERENCES:
patent: 2698042 (1954-12-01), Perkins
patent: 2825383 (1958-03-01), Spelman
patent: 3203461 (1965-08-01), Enabnit
patent: 3736974 (1973-06-01), Lejeune
patent: 3949800 (1976-04-01), Lejeune
patent: 4260006 (1981-04-01), Udall et al.
patent: 4434831 (1984-03-01), Uemura
patent: 4508153 (1985-04-01), Tanaka et al.
patent: 4896709 (1990-01-01), Alie et al.
patent: 4953605 (1990-09-01), Kawamura et al.

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