Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1988-04-18
1989-09-05
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156285, 156286, 156311, B32B 3112
Patent
active
048635405
ABSTRACT:
A polyurethane filmed glass material for use as monolithic insulated glass or laminated glass in spandrel applications is provided. Polyurethane sheet which has been ultraviolet light stabilized is pigmented, coated or otherwise colored to produce a coloring which is predictable and reproducible. A coupling agent is employed and the polyurethane adheres directly to a glass sheet without glues or adhesives.
The manufacture of the glass material includes laying a sheet of colored polyurethane sheet material on a sheet of glass which has been prepared with a coupling agent. Outside surfaces of the polyurethane are coated with a release material. The glass sheet and the prepared polyurethane sheet are then loaded into a vacuum bag which in turn is then loaded into an autoclave. The bag is subjected to a vacuum while the autoclave vessel is pressurized. The autoclave vessel is simultaneously run through a temperature curve to heat and cool the polyurethane and glass whereby the polyurethane is temporarily softened and thereby adheres to the glass. The lamininated product is thereafter tempered.
REFERENCES:
patent: 3547766 (1970-12-01), Chu
patent: 4232065 (1980-11-01), Marcantonio et al.
patent: 4362587 (1982-12-01), Baudin et al.
patent: 4622091 (1986-11-01), Letterman
patent: 4642255 (1987-02-01), Dlubak
Catalano Gennaro J.
George Larry D.
American Temporing, Inc
Ball Michael W.
Simkanich John J.
Yoder Michele K.
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