Pneumatic vehicle tire with device for remedying a tire failure

Details Pneumatic vehicle tire with device for remedying a tire failure Pneumatic vehicle tire with device for remedying a tire failure

B - Operations, Transporting

60

C

152/72.1

B60C 17/02 (2006.01) B29C 73/22 (2006.01) B60C 5/00 (2006.01)

Patent

CA 1055371

PNEUMATIC VEHICLE TIRE WITH A DEVICE FOR REMEDYING A TIRE FAILURE Abstract of the Disclosure A pneumatic tire, after manufacture, is provided with a propellant material and a foam forming sealant material in its interior pressurizable space. The propellant and sealant are isolated from each other during normal running conditions of the tire and have no significant effect on the normal running characteristics of the tire. When a tire fails due to a puncture of the like, a loss of tire pres- sure and/or collapse of the tire structure and/or heat build up in the bead area due to friction permit the propellant and the foam forming materials to interreact. In one embodiment of the invention the propellant and sealant are enclosed in separate chambers of plural- ity of dual-chamber containers secured to the bead portion of the tire and/or a rim base. In other embodiments a plu- rality of mono-chamber containers house one of the materials, the other material being uncontained in the pressurizable space.

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