Run-flat tire incorporating tape-wrapped helical coil band

Details Run-flat tire incorporating tape-wrapped helical coil band Run-flat tire incorporating tape-wrapped helical coil band

B - Operations, Transporting

60

C

26/163, 152/78

B60C 17/00 (2006.01) B60C 9/22 (2006.01)

Patent

CA 1249765

Title of the Invention: RUN-FLAT TIRE INCORPORATING TAPE- WRAPPED HELICAL COIL BAND Inventor: Edward G. Markow ABSTRACT OF THE DISCLOSURE A run-flat pneumatic radial tire is equipped with a prestressed helical coil which is positioned inside the tire crown radially inwardly of the tread thereof. The coil is wound to approximately 50 percent of its free diameter to prestress it and the outer surface has a resin-impregnated tape applied thereto. The tape serves to hold the coil in a predetermined condition while the taped coil is cured. The taped coil can be co-cured in situ with the tire or prepared in advance of tire fabrication.

508867

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