Back to results
US 2016/0101653 A1Published application
Tire and tire manufacturing method
AssigneeBridgestone Corporation
InventorTomokatsu IKUTA
Life of this patent
Estimating the term…
Abstract
A tire (10) includes: a circular tire frame member (12); a tread (16) that is vulcanization bonded to an outer circumference of the tire frame member (12) with a cushioning rubber layer (14) interposed therebetween; and cushioning rubber supplementation portions (30) that are provided at the tread (16), that extend from a tread surface (16A) as far as the cushioning rubber layer (14), and that are formed of an identical cushioning rubber (31) to the cushioning rubber layer (14).
Claims4
A tire, comprising:
- a circular tire frame member;
- a tread that is vulcanization bonded to an outer circumference of the tire frame member via a bonding rubber layer;
- and
- a bonding rubber supplementation portion that is provided at the tread, that extends from a tread surface to the bonding rubber layer, and that is formed of an identical rubber material to the bonding rubber layer.
1 more element
A tire manufacturing method, comprising:
- arranging non-vulcanized bonding rubber in a layer shape at an outer circumference of a fully vulcanized tire frame member;
- arranging a fully vulcanized tread, including a bonding rubber supplementation portion that is formed by a non-vulcanized rubber material that is identical to the bonding rubber and that extends from a tread surface to a tread back face, at an outer circumference of the bonding rubber;
- and
- vulcanizing the bonding rubber and the rubber material.
1 more element
Dependencies are inferred from the claim text.