Run-flat tire system

Details Run-flat tire system Run-flat tire system

1998-07-29

2000-09-12

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Cushion and pneumatic combined

152157, 152313, 152319, 152320, 152322, 152324, 152325, 152327, B60C 1706

Patent

active

061163082

ABSTRACT:
A run-flat tire system comprising a tire and an tire core disposed therein, the tire core being an annular body of an elastic closed-cell material, the radially outside and inside of the tire core each provided with a circumferentially extending groove, the radially inner groove extending radially outwardly beyond a bead core line being drawn between the centers of the bead cores. When the tire is mounted on a standard rim, the radially outer groove forms a radially outer space extending circumferentially of the tire and having a cross sectional area of from 1 to 6% of the total sectional area of the tire cavity, and the radially inner groove forms a radially inner space extending circumferentially of the tire having a cross sectional area Si of from 10 to 25% of the total sectional area S of the tire cavity.

REFERENCES:
patent: 1064766 (1913-06-01), Pfouts
patent: 1253752 (1918-01-01), Wais
patent: 1413189 (1922-04-01), Rapson
patent: 3022810 (1962-02-01), Lambe
patent: 3095917 (1963-07-01), Arsandaux
patent: 4681147 (1987-07-01), Hugele

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