Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined
Patent
1979-12-31
1981-08-04
Kittle, John E.
Resilient tires and wheels
Tires, resilient
Cushion and pneumatic combined
152313, 152330RF, B60C 1704
Patent
active
042817005
ABSTRACT:
An insert to provide a run-flat capability to pneumatic vehicle tires comprises a flexible, compressible, porous ring comprised of a plurality of successively-wound, circumferential layers of an elastomeric binder-coated filamentary material, the coated filaments having voids therebetween and being bonded to one another by the binder. The insert has desirable properties including lightweight, flexibility, and good load-distributing properties which make it a practical and useful component of any run-flat insert design for pneumatic tires. In preferred embodiments, the insert is spaced and supported from the tire by a member which minimizes the overall weight added to the tire. It is also further desirable to provide the insert with means to reduce its expansion radially upon rotation of the tire.
REFERENCES:
patent: 2844180 (1958-07-01), Omeron
patent: 2989108 (1961-06-01), Gore
patent: 3568286 (1971-03-01), Ross
patent: 3730244 (1973-05-01), Ross
patent: 3730794 (1973-05-01), Ross
patent: 3814158 (1974-06-01), Ryder
patent: 3942571 (1976-03-01), Kraft
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patent: 4153095 (1979-05-01), Sarkissian
patent: 4177848 (1979-12-01), Van der Burg
patent: 4183388 (1980-01-01), Cassidy
"Progress in Urethane Tire Filling" from Rubber World, May 1976, by Ransome J. Wyman.
Baker William L.
Kittle John E.
Parker C. Edward
W. R. Grace & Co.
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