Invention Grant
- Patent Title: Tire crown reinforcement with specified rubber bonding layers
- Patent Title (中): 轮胎胎冠加固用指定的橡胶粘合层
-
Application No.: US09823543Application Date: 2001-03-30
-
Publication No.: US06640861B2Publication Date: 2003-11-04
- Inventor: Pedro Costa Pereira , Yves Herbelleau
- Applicant: Pedro Costa Pereira , Yves Herbelleau
- Priority: FR9812593 19981002
- Main IPC: B60C918
- IPC: B60C918

Abstract:
A tire having a crown, two sidewalls and two tire beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, said belt reinforcement including at least two superposed reinforcement plies formed with cords parallel in each ply and criss-crossed from one ply to the other forming with the circumferential direction angles (&agr;, &bgr;) ranging between 10° and 55° and characterized in that the cords of at least one of the two reinforcing plies are successively in contact, on the same side of said ply, moving from the tire equatorial plane towards one of the reinforcing ply lateral ends with a rubber bonding layer having a first modulus of elasticity and then a rubber bonding layer of a second modulus of elasticity lower than the first.
Public/Granted literature
- US20010013386A1 Radial tire crown reinforcement Public/Granted day:2001-08-16
Information query