Back to results
US 4,248,647 AGranted
Method for producing acoustical ceiling tile faced with a smooth distortion free decorative thin plastic film
AssigneeArmstrong Cork Company
InventorsVincent P. Herron, Jay D. Shenk
Life of this patent
Estimating the term…
Abstract
A method for producing an acoustical ceiling tile or panel faced with a distortion free decorative thin plastic film is accomplished by first embossing the acoustical base to form a picture frame surrounding a recessed area, stretching the thin decorative plastic film over the picture frame portion and adhesively securing the film to the side and/or back of the acoustical base and subsequenytly heat shrinking the film to produce a distortion free decorative surface.
Claims4
A method of forming a decorative acoustical product comprising:
- (a) embossing an acoustical base in register to form an embossed picture frame coextensive with the edges of the base and surrounding a recessed area;
- (b) stretching a decorative plastic film over the picture frame and adhesively securing the film to the acoustical base;
- and
- (c) subjecting the film faced product to heat to shrink the film and thus stretch the film over the embossed picture frame out of contact with the recessed area to form a distortion free decorative film facing layer.
1 more element
Dependencies are inferred from the claim text.