Process for producing coincidently embossed decorative sheets

Details Process for producing coincidently embossed decorative sheets Process for producing coincidently embossed decorative sheets

1982-05-04

1985-02-19

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 83, 156154, 156267, 156277, 264 48, 427336, 51324, 428151, B32B 518, B32B 3100, B29H 720, D06N 704

Patent

active

045003734

ABSTRACT:
First, a decorative sheet is produced by forming in sequence on a base paper such as titanium paper an ordinary printed layer and a heat-foamable printed layer, respectively with desired patterns. The decorative sheet is then impregnated with a thermosetting resin liquid and dried. The dried impregnated decorative sheet is superposed on a substrate such as a core sheet, and the resulting laminated structure is sandwiched between a pair of heating plates and heated and pressed whereby a thermoset integral structure with the pattern of the foamable printed layer foamed is produced. The entire surface of the integral structure is coated with a solvent to swell the foamed pattern layer and then rubbed to remove the swollen foamed pattern layer and form concavities thereat. The resulting thermoset resin decorative sheet or plate is provided with deep distinct concavities coincident with the pattern of the heat-foamable printed layer as well as a good surface luster.

REFERENCES:
patent: 3798098 (1974-03-01), Ogawa et al.
patent: 3976524 (1976-08-01), Feng
patent: 4064301 (1977-12-01), Howard

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