Pneumatic tire with buffer rubber layer

Details Pneumatic tire with buffer rubber layer Pneumatic tire with buffer rubber layer

2008-07-29

2008-07-29

Johnstone, Adrienne C. (Department: 1791)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S510000, C152S549000

Reexamination Certificate

active

10543811

ABSTRACT:
A pneumatic tire using an inner liner layer comprising a film of a thermoplastic resin, or a blend of a thermoplastic resin and an elastomer, having an air permeation coefficient of not more than 25×10−12cc·cm/cm2·sec·cmHg and a Young's modulus of 1 to 1000 MPa, wherein a buffer rubber layer containing short fibers is arranged between the inner liner layer and a carcass layer in bead directions from two ends of a widest width belt layer in ranges of at least 20 mm, whereby a problem of trouble during production is solved and the durability of the inner liner layer is improved, without causing a problem of an increase in tire weight.

REFERENCES:
patent: 3244214 (1966-04-01), Bush
patent: 3871432 (1975-03-01), Lachut
patent: 6079466 (2000-06-01), Watanabe et al.
patent: 6123132 (2000-09-01), Appleton
patent: 6134132 (2000-10-01), Janssen et al.
patent: 59-120501 (1984-07-01), None
patent: 61-110602 (1986-05-01), None
patent: 10-245452 (1998-09-01), None
patent: 11-245613 (1999-09-01), None
English translation of JP 61-110602 A, May 28, 1986.
PCT International Search Report for PCT/JP2004/010427 mailed on Oct. 19, 2004.

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