Embossed decorative sheet-type material and process for making s

Details Embossed decorative sheet-type material and process for making s Embossed decorative sheet-type material and process for making s

1974-12-30

1976-08-31

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428160, 428161, 156 79, 156209, 156220, 264284, 264321, B32B 520, B32B 3120

Patent

active

039782581

ABSTRACT:
Embossed decorative sheet-type covering material such as sheet vinyl flooring is prepared by forming a foamed plastic layer over a pigmented layer on a substrate and then selectively crushing the foamed layer by mechanical embossing to produce selectively crushed transparent portions through which the pigmented layer is visible. Printing is normally included on the upper surface of the plastic layer before the latter is foamed and a conventional wear layer is also preferably used. In a preferred embodiment, a foamed undercoat layer is also used to reduce embossing requirements. Conventional materials are preferred, such as latex coated felt for the substrate, cured, foamed polyvinyl chloride organosol or plastisol for the foamed layers and cured, clear polyvinyl chloride organosol for the wear layer.

REFERENCES:
patent: 3104192 (1963-09-01), Hacklunder
patent: 3196030 (1965-07-01), Petry
patent: 3196062 (1965-07-01), Kristal
patent: 3399106 (1968-08-01), Palmer et al.
patent: 3408248 (1968-10-01), Maass
patent: 3655312 (1972-04-01), Erb et al.
patent: 3666604 (1972-05-01), Coffet
patent: 3804700 (1974-04-01), Hoey
patent: 3808024 (1974-04-01), Witman

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