Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Reexamination Certificate
2006-03-07
2006-03-07
Copenheaver, Blaine (Department: 1733)
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
C152S158000, C152S520000, C152S521000
Reexamination Certificate
active
07007732
ABSTRACT:
The present invention is a pneumatic tire and wheel assembly capable of being run in a deflated condition comprising a wheel having a wheel rim, a pneumatic tire mounted on the rim, where the pneumatic tire has an interior cavity, an annular insert mounted on the wheel rim and inside the interior cavity of the tire, and a lubricant comprising a substance selected from the group consisting of stearic acid, sodium oleate, sodium palmitate, polyethylene wax, polypropylene wax, and mixtures thereof, and a substance selected from the group consisting of paraffin oil, corn oil, sunflower oil, olive oil, rapseed oil, tricresyl phosphate and naphthalenic oil and mixtures thereof. When the assembly is used with the tire in deflated condition, the normally solid lubricant liquefies, and thereby facilitates relative movement of the interior surface of the tire contacting the annular insert and the annular insert. In one embodiment of the invention, the insert comprises rubber or polyurethane.
REFERENCES:
patent: 4641670 (1987-02-01), Poque et al.
patent: 5350531 (1994-09-01), Musilli
Arnold Adam
Campigotto Frank J.
Copenheaver Blaine
Fischer Justin
Michelin & Recherche et Technique S.A.
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