Patch and method of repairing discontinuities in work surfaces

Details Patch and method of repairing discontinuities in work surfaces Patch and method of repairing discontinuities in work surfaces

1983-10-06

1986-02-04

Herbert, Thomas J.

Stock material or miscellaneous articles

Patched hole or depression

156 94, 427140, 428261, 428290, 428343, 428355, 428408, 4284744, B32B 326, B32B 3500, C09J 702

Patent

active

045685894

ABSTRACT:
An improved patch and method of repair of the integrity and/or surface imperfections of a structure which is defective because of accidental damage or flaws during the course of manufacture or subsequent use and handling. The invention relates to the use of a fibrous cloth which is impregnated by a fast curing acrylic-based adhesive composition which is utilized with an activator/accelerator that can be applied to the margins of the faulty workpiece and thence to the overall impregnated cloth to quickly cure it at ambient temperature. The improved material provides good adhesion to a wide variety of materials including unprepared metals, painted metals, plastics and moist or oil contaminated surfaces and displays a high impact strength heretofore not found in such materials.

REFERENCES:
patent: 3189509 (1965-06-01), Needham
patent: 3920497 (1975-11-01), Speer
patent: 4135017 (1979-06-01), Hoffmann, Sr.
patent: 4208456 (1980-06-01), Holmes
patent: 4237242 (1980-12-01), Frankel

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