Run-flat tire
AssigneeBridestone Corporation
InventorGaku OGAWA
Life of this patent
Estimating the term…
Abstract
A run-flat tire includes a carcass, a tire side portion and a side reinforcement layer. The carcass bridges between a pair of bead portions. The tire side portion links between a bead portion and a tread portion. A carcass maximum width position of the tire side portion, at which the width of the carcass is at a maximum, is provided at the tire radial direction outer side relative to a position that is at 40% of the tire section height. The side reinforcement layer is provided at the tire width direction inner side of the carcass. A thickness of the side reinforcement layer at the position that is at 40% of the tire section height is not more than 65% of a thickness of the side reinforcement layer at the carcass maximum width position.
Claims4
A run-flat tire with a tire section height of at least 115 mm, the run-flat tire comprising:
- a carcass bridging between a pair of bead portions;
- a tire side portion that links the bead portions with a tread portion, a carcass maximum width position of the tire side portion, at which a width of the carcass is at a maximum, being disposed at the tire radial direction outer side relative to a position at 40% of the tire section height;
- and
- a side reinforcement layer provided at a tire width direction inner side of the carcass, a thickness of the side reinforcement layer at the position at 40% of the tire section height being at most 65% of a thickness thereof at the carcass maximum width position.
Dependencies are inferred from the claim text.