Puncture-durable tire structure

Details Puncture-durable tire structure Puncture-durable tire structure

1999-03-17

2000-09-05

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152502, 152510, 152549, B60C 500, B60C 512, B60C 908, B60C 1500, B60C 1912

Patent

active

061127906

ABSTRACT:
A puncture-durable tire structure has a tire body which is covered with an outer radial ply at the inner side thereof. The outer radial ply is made up of an inner layer and an outer layer that are respectively extended over the bead wires at the edges of the tire body and further extended to a middle position of a rubber side wall of the tire body. The inner side of the outer radial ply is in abutment with an airtight layer which is in turn in abutment with a leakage-proof layer. The leakage-proof layer is further covered with an inner radial ply which has an inner layer and an outer layer. The outer layer of the inner radial ply extends to a tire lip portion of the tire body and the inner layer of the inner radial ply is led over and wound around the bead wires at the tire body and further extends to the upper portion of the rubber side wall. By way of the integral structure of the tire, the tire has a reinforced rubber side wall, and the air inside the tire can be prevented from easily leaking out when the tire is punctured, and the punctured tire can seal by itself so as to improve the driving safety.

REFERENCES:
patent: 4919183 (1990-04-01), Dobson

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