Sealing ring for wheels

Details Sealing ring for wheels Sealing ring for wheels

B - Operations, Transporting

60

C

B60C 5/16 (2006.01) B29C 35/00 (2006.01) F16J 15/10 (2006.01)

Patent

CA 2625501

The present invention is a system which improves the installation and provides a seal between tubeless tires and the rims of the wheels upon which they are mounted A pliant sealing member or ring (10) is placed over the base (21) or rim of the wheel The ring has an opening to match the valve opening (27) of the rim. A special valve stem sleeve (15) may be provided to enhance the sealing of the valve stem. The invention features a stretch zone (19) which allows universal fit for a range of wheel sizes and also accommodates the drop centre (24) of wheels. A method of casting the ring (10) is disclosed which includes the design of a mold (40) and the production of twin rings which are cut when completed to form two separate rings (10). The sealing ring (10) may be made of vinyl having a durometer rating of between 50-75 and a thickness of 0. 5-1. 0mm

La présente invention concerne un système qui améliore l~installation et assure une étanchéité entre des pneus sans chambre à air et les jantes des roues sur lesquelles ils sont montés. Un joint ou anneau d~étanchéité souple (10) est placé sur la base (21) ou la jante de la roue. L~anneau est pourvu d~une ouverture prévue pour correspondre à l'ouverture de la valve (27) de la jante. Un manchon spécial (15) peut être prévu sur le corps de valve pour en renforcer l~étanchéité. L~invention comprend une zone extensible (19) qui permet un ajustement universel sur une gamme de dimensions de roues et prend également en compte les jantes à base creuse (24). Un procédé de coulage de l~anneau (10) prévu par l~invention inclut un modèle de conception de moule (40) et la production d~anneaux jumeaux qui sont coupés une fois qu'ils sont terminés afin de former deux anneaux (10) distincts. L~anneau d~étanchéité (10) peut être en vinyle de dureté nominale allant de 50 à 75 et d~épaisseur 0,5 à 1,0 mm

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