Plastic and nonmetallic article shaping or treating: processes – Repairing or restoring consumer used articles for reuse
Patent
1980-08-21
1982-01-19
Czaja, Donald E.
Plastic and nonmetallic article shaping or treating: processes
Repairing or restoring consumer used articles for reuse
52514, 156 98, 264 35, 264273, 427140, B32B 3500
Patent
active
043116566
ABSTRACT:
A method is disclosed for the repairing of extensive damage to plasterboard areas wherein wet plaster will normally not hold in such a large repair area. The method includes the cutting through the paper surface layer of the plasterboard material in an approximately circular shape around the damaged area. The exposed plaster of the plasterboard can then be sanded by such a tool as a power rotating sander such that the plaster within the plasterboard is removed to a predetermined depth. A plate member having a thickness less than this predetermined dimension and preferably on the order of 0.014 inches is then placed over the damaged area within the removed plaster area. This plate member is fixedly secured to the undamaged area of the plasterboard within the defined circular area. The plate member is preferably perforated throughout for ventilation and securement of plaster thereto. Wet plaster is then placed into the predetermined area into contact with the plate member and the undamaged area within the defined area. This plastering is then treated by sanding or the like in a conventional manner such that a smooth surface with the surrounding wallboard area is formed. In this manner a surface to which the plaster will adhere is provided over the extensively damaged plasterboard area.
REFERENCES:
patent: 2598194 (1952-05-01), Shippey
patent: 4100712 (1978-07-01), Hyman
patent: 4152877 (1979-05-01), Green
patent: 4193243 (1980-03-01), Tiner
Czaja Donald E.
Kane John J.
Sperry Albert
Thompson W.
Zoda Frederick A.
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