A puncture resistant pneumatic tire

B - Operations – Transporting – 60 – C

Patent

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Details

B60C 19/12 (2006.01) B29C 73/20 (2006.01) B60C 5/14 (2006.01)

Patent

CA 2368005

A tubeless tire (1) comprising: twin bead portions (5), each of which lets a wheel engage it; an outer layer portion (2) having a tread portion (6) to be grounding; an inner liner layer (3) included rubber, which is entirely stuck inside of the outer layer portion (2), wherein there is provided a most inner layer (4) inside of the inner liner layer (3), which maintains airtightness of the tubeless tire, and includes an adhesion part (4a), in which it is stuck to the inner liner layer (3), and a non-adhesion part (4b), in which it is not stuck on the inner liner layer (3) which can be transformed independently for the outer layer portion (2) and the inner liner layer (3).

La présente invention concerne un pneu sans chambre (1) comprenant une paire de talons (5) utilisés pour faire tenir le pneu sur la roue, une garniture extérieure (2) comportant la bande de roulement (6) en contact avec le sol, et une garniture intérieure (3) faite de caoutchouc collé sur la totalité de la surface de la garniture extérieure (2). En l'occurrence, une garniture encore plus intérieure (4) est appliquée contre la face intérieure de la garniture intérieure (3). Cette garniture plus intérieure (4), qui garantit l'étanchéité à l'air du pneu sans chambre, comprend une partie adhésive (4a) collée sur la garniture intérieure (3) et une partie non adhésive (4b) ne tenant pas à la garniture intérieure (3). Elle peut ainsi se déformer indépendamment de la garniture extérieure (2) et de la garniture intérieure (3) au niveau de la partie non adhésive (4b).

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