Supporting membrane for tyre tread

B - Operations – Transporting – 60 – C

Patent

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Details

B60C 17/01 (2006.01) B60C 5/08 (2006.01) B60C 5/22 (2006.01) B60C 17/02 (2006.01)

Patent

CA 2273510

The invention concerns a toric membrane (M) made of reinforced rubber, used as a support for the tyre tread of a tubeless tyre (P) and constituting with said tyre (P) and its mounting rim (J) a running assembly (E), characterised in that, when inflated at a pressure (p0) greater than the pressure (p1) of the cavity of tyre (P), it has, in inflated state, a top radius (RM) smaller than the collapsed radius (RE) of the tyre used at its recommended pressure, said membrane (M) being at least at its top (1) reinforced by a top bracing ply (12) and a wire armouring (13), made up of circumferentially oriented wires or cables.

Membrane torique (M) en caoutchouc renforcé, utilisée comme moyen de support de la bande de roulement d'un pneumatique (P) sans chambre à air et constituant avec ledit pneumatique (P) et sa jante de montage (J) un ensemble roulant (E), caractérisée en ce que, gonflée à une pression (p0) supérieure à la pression (p1) de la cavité du pneumatique (P), elle a, à l'état gonflé, un rayon de sommet (RM) inférieur au rayon écrasé (RE) du pneumatique utilisé à sa pression recommandée, ladite membrane (M) étant au moins en son sommet (1) renforcée par une armature de sommet (12) et une armature de frettage (13), composée de fils ou câbles orientés circonférentiellement.

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