Tire puncture repair device

Details Tire puncture repair device Tire puncture repair device

B - Operations, Transporting

29

C

B29C 73/08 (2006.01)

Patent

CA 2188440

A tire puncture repair device comprising a handle (10), and attached shank member (20), a conical threaded penetrator member (30) and a cover/bolt assembly (40). An elongate resilient obturator strip (50) is threaded through an eyelet on the base of the penetrator member folded lengthwise thereabout and inserted into the bore (22a) of the shank member. The ends of the inserted obturator strip are secured to respective anchor plates (24) on a medial portion of the shank member, and the cover/bolt assembly secured thereover. The shank member is then inserted through a tire puncture with the threaded penetrator member boring therethrough. After which, a sliding bolt member (41) is displaced forward within the shank member so as to push the penetrator member away from the end of thereof and into the interior of the tire, carrying a bight of obturator strip therewith. The shank member is then extracted from the tire wall wherein the obturator strip remains lodged therein to seal the puncture.

Dispositif de réparation de pneus crevés, comportant un manche (10) auquel est fixée une tige (20), un élément conique fileté de pénétration (30), et un ensemble enveloppe/boulon (40). Une bande allongée élastique d'obturation (50) est engagée par vissage dans un oeillet prévu dans la face inférieure de l'élément de pénétration, pliée longitudinalement autour de celui-ci, et introduite dans le perçage (22a) de la tige. Les extrémités de la bande d'obturation introduite sont solidaires de plaques d'ancrage respectives (24) au niveau d'une partie intermédiaire de la tige, et l'ensemble enveloppe/boulon est monté solidaire par-dessus celles-ci. On introduit la tige dans la zone de crevaison d'un pneu de sorte que l'élément fileté de pénétration transperce cette zone. Ensuite, on déplace vers l'avant un boulon coulissant (41) dans la tige afin d'écarter l'élément de pénétration de son extrémité et de le faire pénétrer à l'intérieur du pneu en entraînant un morceau de la bande d'obturation. Enfin, on retire la tige du pneu et un morceau de la bande d'obturation reste logée dans la zone de crevaison de manière à l'obturer.

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