Assembly of a pneumatic tire and a rim, a pneumatic tire and...

Details Assembly of a pneumatic tire and a rim, a pneumatic tire and... Assembly of a pneumatic tire and a rim, a pneumatic tire and...

2005-05-17

2005-05-17

Aftergut, Jeff H. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S375000, C152S379300, C152S379500, C152S395000, C152S396000, C152S397000

Reexamination Certificate

active

06892779

ABSTRACT:
The invention provides an assembly of a pneumatic tire and a rim. The tire has at least one carcass ply2and a belt layer8. The ply2is composed of ply cords and has end portions. The belt layer8is composed of belt cords provided outside of the ply2. Each belt cord extends in a direction intersecting the ply cord. Each of the end portions is held in the rim12. The width of the tire is maximum in a circumferential cross section “T” with a cylindrical shape with respect to the center axis “D” of the tire. The cross section “T” extends through the rim10. When the tire is rolled under a load and a stress is applied on the tire as an arrow “X”, a neighboring portion2dnear the end portions2a, 2bis considerably bending-deformed as arrows “Y” to absorb the stress. The roundness of the belt layer8is thus preserved to reduce the rolling resistance of the tire considerably.

REFERENCES:
patent: 1903575 (1933-04-01), Shoemaker
patent: 4168732 (1979-09-01), Monzini
patent: 5423366 (1995-06-01), Yamada et al.
patent: 5665298 (1997-09-01), Unseld et al.
patent: 0173670 (1986-03-01), None
patent: 50-71004 (1975-06-01), None
patent: 52-79402 (1977-07-01), None
patent: 59-53204 (1984-03-01), None
patent: 03262712 (1991-11-01), None
Mechanics of Pneumatic Tires, United States Department of Commerce, ed. Samuel Clark, pp. 360-372, 1971.

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