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US 7,037,395 B2Granted
Pneumatic tire and method of manufacturing the sane
AssigneesThe Yokohama Rubber Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
InventorEiji Saito
Life of this patent
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Abstract
A pneumatic tire having a puncture preventive layer formed by windingly sticking a tube having seal material wrapped therein to the tire inner surface circumferentially of the tire and continuously and spirally with its side surfaces closely contacted each other: or a pneumatic tire having a puncture preventive layer formed by sticking micro balloons having seal material wrapped therein to the tire inner surface with their sides closely contacted with each other.
Claims1
A method of manufacturing a pneumatic tire, comprising steps of:
- applying an adhesive on the tire inner surface of a cured tire, and
- spraying micro balloons on the tire inner surface to form a puncture prevention layer, the micro balloons being filled with a seal material,
- wherein one of the micro balloons contacts another of the micro balloons.
Dependencies are inferred from the claim text.