Resilient tires and wheels – Tires – resilient – Patches
Patent
1977-09-19
1980-04-08
Reese, Randolph A.
Resilient tires and wheels
Tires, resilient
Patches
152354R, 152358, B60C 918
Patent
active
041967640
ABSTRACT:
The invention relates to the use of reinforcing cords associated with the pneumatic tire to control radial force variations in the tire under loaded conditions, and the method of applying such reinforcing cords woven in a warp and weft relationship cut in a bias shape to form a belt, such belt extending past the lateral edges of the present belt and applied to the tire either in its new form or as a retreaded tire from an old carcass. It can be extruded into the tread material as it is initially formed. Basically, the cords are made from a very high strength material, either synthetic, wire, or the like, having a tensile strength of approximately 125 psi each, with the cords spaced at approximate 1/4 inch spacings. Hence, there will be four cords, more or less, per inch. The cords could be increased to 150 or more pounds each. There will be approximately 20 to 40, depending upon the width of the tread area of the tire involved and the width of the normal belt ply in the radial or bias ply tire involved. This type of construction serves as an extra belt of many hundred pounds tensile strength, thereby controlling radial force variations in the tire, maintaining the integrity of the belt plies already in the tire, and is particularly applicable to controlling these forces in retreaded tires and particularly retreaded radial tires by preventing delamination of the retread at the old belt ply area.
REFERENCES:
patent: 1560700 (1925-11-01), Langer
patent: 2749959 (1956-06-01), Kunel
patent: 3598165 (1971-08-01), Hanus
patent: 3831656 (1974-08-01), Senger et al.
patent: 3919018 (1975-11-01), Schroeder
patent: 4040464 (1977-08-01), Skidmore
patent: 4073330 (1978-02-01), Allard
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