B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/157, 152/71.
B60C 19/00 (2006.01) B60B 21/10 (2006.01) B60B 23/04 (2006.01) B60B 25/22 (2006.01) B60C 3/04 (2006.01) B60C 15/02 (2006.01) B60C 15/036 (2006.01)
Patent
CA 1222440
Abstract of the Disclosure A pneumatic tire and a mounting system therefor, having con- structional features designed to provide optimized operational charac- teristics. The tire has a low aspect ratio and a low height ratio .theta. conforming substantially to the relations = 0.236/.theta. and 0.32 .theta. 0.39. The mounting system includes a vehicle axle- borne drum and a pair of ring members adapted to be securely fastened to the drum, each ring member defining a bead seat, a bead restraining flange and a sidewall-supporting extension, and the ring members being adhered to the tire at the beads and the lower sidewalls. A layer of a suitable sealant at the juncture between each ring member and the drum renders the joints airtight. The tire includes a single ply radial carcass the turn-ups of which terminate in the lower sidewall regions of the respective adhesion zones between the tire and the ring members, and each of the beads is reinforced by a relatively thin, lightweight metal member in the form of a single loop having no free ends. A novel valving system for the tire, including a passageway in one of the ring members covered at one end by a quantity of a sealant having self-sealing properties, is also provided. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.
451260
Gowling Lafleur Henderson Llp
Uniroyal Inc.
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