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US 4,396,448 AGranted
Decorative laminate and a manufacturing method therefor
AssigneeToppan Printing Co., Ltd.
InventorsKazuhiko Ohta, Akira Yoshikawa
Life of this patent
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Abstract
A laminated thermosetting decorative sheet has on its surface glossy protruding parts and matted recessed parts, and the recessed parts are preferably colored. This laminated thermosetting decorative sheet is manufactured using a press plate with an enamel layer having protruding parts whose enamel surfaces are matted.
Claims3
In a method for manufacturing a decorative laminate by hot-pressing a stack of resin-impregnated sheets with a press plate, which method comprises:
- (a) providing at least one press plate in the form of a metal substrate having at least one plain surface;
- (b) forming an enamel layer having a three-dimensional pattern or a gloss pattern or both on the plain surface of the metal substrate;
- (c) wherein the protruding parts of the three-dimensional pattern of the enamel layer include matted surfaces prepared by printing or transferring a frit ink with a matting agent added and firing same;
- (d) applying a colorant only to the matted surfaces of the protruding parts of the enamel layer by utilizing the difference in surface condition of the enamel layer between the matted portion and the smooth portion;
- and
- (e) hot-pressing the stack of resin-impregnated sheets with the at least one press plate to laminate the sheets together and emboss same, and to transfer the ink from the press plate to the surface of the decorative laminate so that the recessed parts of the decorative laminate are matted and colored.
3 more elements
Dependencies are inferred from the claim text.