Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1977-09-14
1979-05-08
Husar, Francis S.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152330RF, 152346, 152361R, B60C 506, B60C 1700, B60C 508
Patent
active
041530950
ABSTRACT:
A pneumatic insert for a pneumatic tire comprises a generally toroidal shaped hollow member having a pair of annular insert beads with sidewalls extending therefrom joined to an insert crown portion. An annular flap portion is joined to the outer surface of each insert sidewall at the bead area and extends beyond each bead a predetermined amount.
The pneumatic insert is disposed in a standard tire and mounted on standard rim. The insert flaps are tucked between the respective insert beads and the bead support surface of the rim to provide a leak-tight seal. When the insert is inflated the insert beads push the respective tire beads against the rim flange. In one embodiment the tire is inflated through an air passage member disposed between the tire and insert beads. In another embodiment the tire is inflated directly through the tire sidewall with a hypodermic needle. The insert inflation chamber and the tire inflation chamber do not communicate and can be inflated to different pressure levels.
Other embodiments of the pneumatic insert include fabric reinforcements and/or protective caps.
REFERENCES:
patent: 2884983 (1959-05-01), Cuesta
patent: 3025902 (1962-03-01), Sanderson
patent: 3885614 (1975-05-01), Fujikawa et al.
Goodyear "Tires - TBA Merchandising" Jun. 1956.
Husar Francis S.
Rodman Philip
Uniroyal Inc.
Williams Lawrence E.
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