Invention Grant
- Patent Title: Tire crown reinforcement with specified rubber decoupling layers
- Patent Title (中): 轮胎胎冠加固与指定的橡胶去耦层
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Application No.: US09823542Application Date: 2001-03-30
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Publication No.: US06776205B2Publication Date: 2004-08-17
- Inventor: Pedro Costa Pereira , Yves Herbelleau
- Applicant: Pedro Costa Pereira , Yves Herbelleau
- Priority: FR9812594 19981002
- Main IPC: B60C304
- IPC: B60C304

Abstract:
A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, the belt reinforcement including at least two superposed reinforcing plies formed by cords parallel in each ply and criss-crossed from one to the other forming with the circumferential direction angles (&agr;, &bgr;) ranging between 10° and 70° and characterized in that, there is provided, between the two superposed reinforcing plies, at least two axially adjacent rubber decoupling layers with different mechanical properties and in that each of the two rubber decoupling layers is in contact with the cords of the two superposed reinforcing layers.
Public/Granted literature
- US20010020507A1 Radial tire crown reinforcement Public/Granted day:2001-09-13
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