Tire repair patch and method of manufacture

Details Tire repair patch and method of manufacture Tire repair patch and method of manufacture

1981-06-15

1983-08-23

Kimlin, Edward C.

Resilient tires and wheels

Tires, resilient

Patches

152370, 156 97, 156322, B60C 2102, B60C 2104

Patent

active

043998542

ABSTRACT:
A tire repair patch having at least one ply package enveloped by an unvulcanized base cushion gum layer and an unvulcanized top cushion gum layer joined at the edges of the ply package. The overlapping plies of reinforcing cords in the ply package are coated with rubber and are at least partially vulcanized prior to assembly of the patch to increase the strength of the patch and decrease the curing time upon application to a tire.
The patch is made by coating the plies with rubber, laying the plies one on top of the other to form the ply package, heating the package to cure the rubber coating and then positioning the ply package between the unvulcanized cushion gum layers. An unvulcanized intermediate cushion gum layer may be positioned between two ply packages where there is more than one ply package in the patch.

REFERENCES:
patent: 1339696 (1920-05-01), Duffy
patent: 1480976 (1924-01-01), Wight
patent: 3933553 (1976-01-01), Seiberling
patent: 4202717 (1980-05-01), Seiberling
patent: 4285382 (1981-08-01), DiRocco et al.

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