Decorative sheet and method of manufacturing the same

• US 4,911,969 A
• Filed: 03/09/1988
• Issued: 03/27/1990
• Est. Priority Date: 07/09/1986
• Status: Expired due to Fees

• Current Assignee: Yamaha Corporation
• Original Assignee: Yamaha Corporation
• Inventors: Nagashima, Hironao, Ogata, Tomohide, Iwata, Ritsuo
• Primary Examiner(s): Thomas, Alexander S.
• Application Number:
  US07/184,449
• Time in Patent Office: 748 Days
• Field of Search: 428/67, 428/106, 428/114, 428/537.1, 428/109, 428/535
• US Class Current: 428/67
• CPC Class Codes: B32B 21/02 the layer being formed of fibres, chips, or particles , e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
• CPC Class Codes: B32B 21/08 of synthetic resin
• CPC Class Codes: B32B 2307/402 Coloured
• CPC Class Codes: B32B 2307/41 Opaque
• CPC Class Codes: B32B 2307/412 Transparent
• CPC Class Codes: B32B 2451/00 Decorative or ornamental articles wall paper B32B2607/02
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/18 characterised by the use of special additives
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: B44F 1/02 produced by reflected light, e.g. matt surfaces, lustrous surfaces
• CPC Class Codes: B44F 1/06 produced by transmitted light, e.g. transparencies, imitations of glass paintings
• CPC Class Codes: B44F 1/14 Iridescent effects
• CPC Class Codes: D06N 7/0028 characterised by colour effects, e.g. craquelé, reducing gloss terrazzo by sintering D06N7/0057
• CPC Class Codes: D06N 7/0055 Particulate material such as cork, rubber particles, reclaimed resin particles, magnetic particles, metal particles, glass beads
• CPC Class Codes: Y10T 428/22 Nonparticulate element embedded or inlaid in substrate and visible
• CPC Class Codes: Y10T 428/31982 Wood or paper
• CPC Class Codes: Y10T 428/31989 Of wood

Abstract

A decorative board has a small timber dispersed, colored, opaque resin layer in which a multiplicity of small timber pieces are dispersed, the small pieces of timber in this layer are exposed on the surface of the layer, and the surface of the layer is flat. In addition, a transparent resin layer or a glass fiber-mixed, transparent resin layer is provided on the small timber piece-dispersed, colored, transparent resin layer, or the small timber piece-dispersed, colored, opaque resin layer is provided on a substrate. Consequently, a beautiful decorative board can be provided in which the side surface of the small timber pieces exposed to the surface of the small timber piece-dispersed, colored opaque resin layer are arranged and disposed parallel with the surface of the decorative board, the figure patterns of the small timber pieces appear on the surface of the decorative board effectively without waste, and the figure patterns are thus emphasized.

Claims

1. A decorative board, comprising a colored, opaque resin layer with a multiplicity of small pieces of timber dispersed therein, wherein said small timber pieces in said colored, opaque resin layer are arranged substantially in a single layer with one of the side surfaces of each of said small timber pieces being exposed on the surface of said resin layer, and said surface is substantially flat.

6. A decorative board according to claims 1 to 5, wherein said small timber pieces are subjected to dimension stabilization treatment.

7. A decorative board according to claims 1 to 5, wherein said small timber pieces are partially or wholly subjected to coloring treatment.

8. A decorative board according to claims 1 to 5, wherein a resin which constitutes said colored, opaque resin layer is a thermosetting resin.

2. A decorative board, comprising a colored, opaque resin layer with a multiplicity of small pices of timber dispersed therein and a transparent resin layer provided on said colored, opaque resin layer, wherein said small pieces of timber in said resin layer are exposed on the surface of said resin layer, and said surface is substantially flat.

3. A decorative board as defined by claim 2, wherein the small timber pieces in the resin layer are arranged substantially in a single layer.

4. A decorative board comprising a substrate, a colored, opaque resin layer disposed on said substrate and provided with a multiplicity of small pieces of timber dispersed therein, and a transparent resin layer provided on said colored, opaque resin layer, wherein said small pieces of timber in said colored, opaque resin layer are exposed on the surface thereof, and said surface is substantially flat.

5. A decorative board comprising a colored, opaque resin layer with a multiplicity of small pieces of timber dispersed therein and a transparent resin layer which is provided on said colored, opaque resin layer an in which glass fibers are mixed therein, wherein said small pieces of timber in said colored, opaque resin layer are exposed on the surface of said layer, and said surface is substantially flat.

9. A decorative board according to claim 5, wherein said transparent resin layer is constituted by a multi-layered structure, and glass fibers are mixed at least in a lowermost layer thereof.