Invention Grant
- Patent Title: Multilayer laminate which can be used for the reinforcement of a tyre belt
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Application No.: US14373273Application Date: 2013-02-21
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Publication No.: US09751364B2Publication Date: 2017-09-05
- Inventor: Jean-Michel Huyghe , Christophe Le Clerc , Aline Riou , Anne-Lise Thuilliez
- Applicant: COMPAGNIE GENERALE DES ESTABLISSEMENTS MICHELIN , Michelin Recherche et Technique S.A.
- Applicant Address: FR Clermont-Ferrand
- Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
- Current Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
- Current Assignee Address: FR Clermont-Ferrand
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: FR1251845 20120229
- International Application: PCT/EP2013/053445 WO 20130221
- International Announcement: WO2013/127685 WO 20130609
- Main IPC: B60C1/00
- IPC: B60C1/00 ; B60C9/18 ; B32B25/08 ; B32B25/12 ; B32B27/34 ; B32B27/36

Abstract:
A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tire, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus.
Public/Granted literature
- US20150136298A1 MULTILAYER LAMINATE WHICH CAN BE USED FOR THE REINFORCEMENT OF A TYRE BELT Public/Granted day:2015-05-21
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