B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 9/12 (2006.01) B29C 43/28 (2006.01) B29D 30/38 (2006.01) B60C 9/18 (2006.01) B60C 9/20 (2006.01)
Patent
CA 2362837
The invention concerns a tyre having at least one reinforcing ply (1, 31, 32) consisting of reinforcing elements embedded in vulcanised rubber, characterised in that said ply reinforcing elements are individually coated with a rubber mixture (B, B1), said coating mixture having a composition and specific physical properties, said reinforcing elements arranged mutually parallel being coated on one surface with a first rubber mixture (A, A1), called first skim coat, of constant composition and properties, whereas said elements are coated on the opposite surface with a second rubber skim coat (C, D) of composition and properties varying according to the meridian position on the ply in the tyre.
Pneumatique ayant au moins une nappe de renforcement (1, 31, 32) constituée d'éléments de renforcement noyés dans du caoutchouc vulcanisé, caractérisé en ce que les éléments de renforcement de ladite nappe sont enrobés individuellement dans un mélange caoutchouteux (B, B1), dit mélange d'enrobage, ayant une composition et des propriétés physiques données, lesdits éléments de renforcement disposés parallèlement entre eux étant recouverts sur une face d'une première couche caoutchouteuse (A, A1), dite première couche de calandrage, de composition et propriétés constantes, alors que lesdits éléments sont recouverts sur la face opposée d'une deuxième couche caoutchouteuse de calandrage (C, D) de composition et propriétés variables en fonction de la position méridienne sur la nappe dans le pneumatique.
Michelin Recherche Et Technique S.a.
Robic
Societe de Technologie Michelin
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