Pneumatic tire and method of production of same
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United States of America Patent
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Jun 19, 2012
Grant Date -
Jul 2, 2009
app pub date -
Apr 26, 2007
filing date -
Apr 28, 2006
priority date (Note) -
Expired
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Abstract
A pneumatic tire having an air permeation preventive layer formed by adhering a resin film containing thermoplastic resin as a main component thereof to a tire inner wall surface, wherein the resin film is laminated, as a narrow width slit film shape, with an elastomer and the resultant ribbon-shaped laminate is continuously and spirally wound in a tire circumferential direction so that the edges thereof partially overlap to thereby form the air permeation preventive layer, whereby a pneumatic tire having a light weight and superior air permeation preventive property, no splice openings of the air permeation preventive layer at the time of tire processing, and capable of shortening the processing time can be obtained as well as the production method thereof.
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