The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 13, 1988

Filed:

Nov. 21, 1986
Applicant:
Inventors:

Peter Ingley, Amington, GB;

David R Watkins, Birmingham, GB;

Gerald A Griffiths, Lichfield, GB;

Assignee:

SP Tyres UK Limited, Birmingham, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ;
U.S. Cl.
CPC ...
152454 ; 152560 ;
Abstract

A radial motorcycle tire comprising a ground contacting tread region reinforced between its edges by a breaker structure and having a substantially curved profile in the radial cross-section of the tire, a pair of tire beads each reinforced by a substantially inextensible bead reinforcement hoop and a tire sidewall disposed between each tread edge and bead region tire wherein each sidewall is reinforced by not more than two mutually contacting layers of carcass ply reinforcement for at least 80% of the length of the sidewall from the tread edge to the bead hoop with no other reinforcement fabric component being provided such that the said 80% or more of the sidewall is substantially flexible. The sidewall preferably contains virtually no apex strip and is also short, i.e. less than 35% of the tire sectional height (H).


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