US PATENT SUBCLASS 152 / 508
.~.~.~ By compression

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

151  DF  TIRES, RESILIENT {14}
450  DF  .~ Pneumatic tire or inner tube {23}
502  DF  .~.~ Automatic sealing of punctures (e.g., self-healing) {3}
508.~.~.~ By compression

DEFINITION

Classification: 152/508

By compression:

(under subclass 502) Subject matter wherein the pneumatic tire or inner tube contains an elastomeric element under lateral or circumferential stress or pressure, said elastomeric element having a tendency to close punctures as fluid pressure escapes from the tire.

SEE OR SEARCH CLASS

137, Fluid Handling,

843+, for apertures intended for inflation and closed by the pressure of the surrounding material.