Vehicle tires
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United States of America Patent
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-
Jan 29, 1980
Grant Date -
N/A
app pub date -
Feb 22, 1978
filing date -
Feb 22, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to vehicle tires of the kind having a crown belt formed from at least one pair of plies made of cords which are orientated in directions which intersect at small angles, and having sidewalls each reinforced by at least one strong half-ply making up a carcass which is interrupted under the belt. The invention which consists in a combination of the following features: (a) the tire has a low cross-section in which the ratio of height over width is less than 0.8, for example between 0.3 and 0.7, and, (b) the half carcass-plies are connected together in the area of the tire crown of the tire by a layer which has a strength of less than 50 daN per centimeter of width for an extension of 10% and whose elastic extensibility is at least 10%.
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