Run flat tire and wheel assembly

Claim 1

A combination comprising: a. a wheel having a tire-mounting rim with axially spaced bead seats; b. a pneumatic tire mounted on the rim having 1. a carcass reinforced with radially extending cords, the carcass having i. two axially spaced bead portions in which the carcass terminates ii. two axially spaced sidewall portions, one adjacent to each bead portion, and iii. a crown portion intermediate the sidewall portions, 2. a circumferentially extending restrictive belt radially outwardly of said carcass at the crown portion, 3. a tread radially outwardly of said belt, and 4. a layer of closed cell cellular elastomeric material 5. a layer of substance on the radially inner side of said cellular elastomeric material said layer of substance having a coefficient of friction sufficient to prevent tearing, chafing or heating of the internal sidewall and bead portions of the tire when run in a completely deflated condition, in which the tire is flattened against the rim and portions of the internal surface of each sidewall are folded axially outwardly into contact under the weight resting on the tire and both said layers covering the entire inner surface of the bead portions, sidewall portions and crown portion; c. an adhesive cementing the bead portions of said tire to the bead seats of said rim to prevent separation of the beads and rim when the tire is run in the completely deflated condition.