Inner air-tube of tire for bicycle

Details Inner air-tube of tire for bicycle Inner air-tube of tire for bicycle

1980-12-31

1982-04-13

Kimlin, Edward C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152195, 152330R, 152429, 156120, 156122, 525415, 525418, 525440, B60C 100

Patent

active

043242804

ABSTRACT:
An inner air-tube of a tire for bicycle, particular for racing cycle substantially composed of a thermoplastic urethane resin of a specific type. The urethane resin is comprised of a bifunctional polyol, a diisocyanate and a diol serving as a chain-propagating agent, the ratio by mole of the diisocyanate to a mixture of the bifunctional polyol and the diol being in the range of 1.05-1.10:1. The urethane resin of this type is readily after-crosslinked to improve its physical properties to a great extent.

REFERENCES:
patent: 2255146 (1941-09-01), Becker
patent: 2729618 (1956-01-01), Muller et al.
patent: 2933478 (1960-04-01), Young et al.

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