Tyre, rim, supporting ring and assembly comprising same

Details Tyre, rim, supporting ring and assembly comprising same Tyre, rim, supporting ring and assembly comprising same

B - Operations, Transporting

60

B

B60B 21/10 (2006.01) B60C 17/06 (2006.01)

Patent

CA 2178216

A tyre (1), a mounting rim (2) for said tyre (1) and a ring-shaped support (3) for supporting the tread (10) of the tyre (1) should the tyre pressure when driving be low or zero. The rim (2) has two seats (23' and 23") of which the first seat (23') has an outwardly-sloping generatrix and an axial outer extension in the form of a projection (25'), whereas the second seat (23") has an inwardly-sloping generatrix and an axial outer extension in the form of a flange (24). The tyre (1) has the meridian profile of a radial carcass reinforcement (13), and bead structures (12', 12") fitted to the mounting rim (2), and forms with said rim an assembly enabling driving at low or even zero tyre pressure.

Pneumatique (1), jante de montage (2) dudit pneumatique (1) et appui annulaire (3) de soutien de la bande de roulement (10) du pneumatique (1), dans le cas d'un roulage sous faible pression ou sous pression nulle. La jante (2) possède deux sièges (23' et 23"), le premier siège (23') ayant une génératrice inclinée vers l'extérieur et étant prolongé axialement à l'extérieur par une saillie (25'), alors que le deuxième siège (23") a une génératrice inclinée vers l'intérieur et est prolongé axialement à l'extérieur par un rebord (24). Le pneumatique (1) a un profil méridien d'armature de carcasse radiale (13), et des structures de bourrelets (12', 12"), adaptées à la jante de montage (2). Il forme avec ladite jante un ensemble pour roulage à pression faible voir nulle.

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