Preformed plug-tire repair

Details Preformed plug-tire repair Preformed plug-tire repair

1986-06-09

1988-01-12

Henderson, Christopher

Resilient tires and wheels

Tires, resilient

Patches

156 97, 428 36, 428 63, B60C 2100, B32B 2500

Patent

active

047184698

ABSTRACT:
A repaired elastomer article has a hollow in a non-reinforced portion of the article. A cured preformed plug resides within the hollow and is adhered to the article through an amine curable polymer or prepolymer. The amine polymer or prepolymer is curable at ambient temperature. The preformed plug is made of a material which is compatible with the elastomer of the article. The preformed plug material desirably has a lower modulus than the elastomer of the article and hence exhibits good physical properties such as enhanced longevity of the repair, good wear and the like. Since the amine curable polymer or prepolymer cures at ambient temperatures, the repair of the elastomer article can occur in situ. The invention is especially useful in the repair of tires.

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Product No. PS-2682-71, Hughson Chemical Div. Lord Corp.
"Room Temperature Vulcanizing Adhesive Based on Ethylene-Propylene-Diene Terpolymer," by Canton, Uniroyal, Paper No. 18, Rubber Chemistry Div. of American Chemical Society, Denver, Colorado, Oct. 10, 1973.

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