Resilient tires and wheels – Tires – resilient – Patches
Patent
1975-05-22
1977-04-05
Hoffman, Drayton E.
Resilient tires and wheels
Tires, resilient
Patches
152359, 152330R, 152361R, 156 64, B60C 916, B60C 920
Patent
active
040156516
ABSTRACT:
In a tire cord fabric, especially one comprising a multiplicity of parallel steel cords, an improvement is provided whereby the various sources of supply of the tire cords may be identified. In a preferred embodiment, the improvement comprises the substitution of at least one pair of modified steel cords, for example spirally wrapped steel cords, for an equal number of regular steel cords with the spirally wrapped cords being spaced from each other by a particular number of the regular cords for each cord manufacturer. For example, a spacing of 10 regular cords between a pair of special cords may represent manufacturer A, while a spacing of 12 regular cords between a pair of special cords may represent manufacturer B, etc. Thus, each of several sources of supply of the regular cords may be identified according to the number of regular cords between a pair of special cords. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.
REFERENCES:
patent: 2920674 (1960-01-01), Bull
patent: 3511293 (1970-05-01), Matthews
Holmes Barry B.
Witt Jerry L.
Hoffman Drayton E.
Sklar Lawrence E.
Uniroyal Inc.
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