Pneumatic tire having a high ending, turnup locked bead construc

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

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Details

152539, 152543, 152546, 152552, 152554, B60C 1500, B60C 1504, B60C 1506

Patent

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055246885

ABSTRACT:
The turn-up portion of the carcass ply (12) in the bead portion of a pneumatic tire is interposed between the bead core (11) and a toe guard (18), and extends a substantial distance toward the maximum section width of the tire. The bead core (11) has a radial cross section which is substantially pentagonal. The toe guard (18) comprises a rubber material, a flexible textile material or a heat shrinkable material that protects the toe portion of the tire. Elastomeric stiffening member or chafer (20) may be disposed on each side of the carcass ply (12) in the bead portions and lower sidewalls of the tire. The assembly of a tire according to the invention mounted upon a specified rim (22) is also disclosed.

REFERENCES:
patent: 4387759 (1983-06-01), Obata et al.
patent: 4390052 (1983-06-01), Mendiola et al.
patent: 4930560 (1990-06-01), Lesti et al.
patent: 4941523 (1990-07-01), Galante et al.
patent: 5058649 (1991-10-01), Hoang et al.
patent: 5379819 (1995-01-01), Adachi
patent: 5415216 (1995-05-01), Kajiwara et al.
patent: 5431209 (1995-07-01), Kajiwara et al.

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