# US 10,369,837 B2 · Method for forming a decorative design on an element of a wood-based material

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- Number: US 10,369,837 B2
- Document ID: US10369837B2
- Status: Granted
- Kind: B2
- Application number: 13/873,773
- Filed: 2013-04-30
- Published: 2013-10-31
- Granted: 2019-08-06
- Earliest claimed: 2012-04-30
- Assignees: Välinge Innovation AB
- Applicants: Valinge Innovation AB
- Inventors: Melker Ryberg; Jan Jacobsson
- Web page: https://patentgrep.com/patent/US10369837B2

## CPC

- B44D 5/00: Surface treatment to obtain special artistic surface effects or finishes (pretreatment or after-treatment of surface coated by applying liquids B05D3/00; obtaining special surface effects by applying liquids or other fluent materials to surfaces B05D5/00; surface shaping of plastics, e.g. embossing, B29C59/00)
- B41M 5/0017: {Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying}
- B41M 5/0047: {by ink-jet printing}
- B41M 5/0076: {on wooden surfaces, leather, linoleum, skin, or flowers}
- B44C 5/043: {containing wooden elements}
- B44F 9/00: Designs imitating natural patterns
- B44F 9/02: wood grain effects
- E04F 15/04: only of wood {or with a top layer of wood}, e.g. with wooden {or metal} connecting members (rollable parquet E04F15/16)
- Y10T 428/24802: Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- B44D: PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES (surface treatment in general, see the relevant places, e.g. applying liquids or other fluent materials B05)
- B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P)
- B44C: PRODUCING DECORATIVE EFFECTS (processes for applying liquids or other fluent materials to surfaces, in general B05D; shaping of plastics or substances in a plastic state B29C; printing processes to produce transfer pictures B41M3/12; thermographic duplication or marking methods B41M5/00); MOSAICS; TARSIA WORK (imitation of mosaic or tarsia work patterns B44F11/04); PAPERHANGING {(labels G09F; multi-step processes for making paper labels or tags B31D1/02)}
- B44F: SPECIAL DESIGNS OR PICTURES
- E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A method for forming a decorative design (2) on an element (1) of a wood-based material, including providing an element (1) of a wood-based material having a surface (3), the surface (3) being solid and being formed of the wood-based material, and printing a decorative design (2) with an aqueous ink on at least a portion of the surface (3) by means of a digital printing device. Also, a building element including such an element.

## Claims

### Claim 1

A method for forming a decorative design on an element of a wood-based material, the method comprising:
providing an element of a wood-based material having a surface, said surface being solid and being formed of said wood-based material;
applying a primer adapted to control bleeding of said ink on at least a portion of said surface, wherein the primer is a UV curable primer; and
printing a decorative design with an aqueous ink on at least the portion of said surface by means of a digital printing device.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the wood-based material is solid wood or wood veneer.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the digital printing device comprises a Drop-on Demand (DOD) inkjet printer.

### Claim 4 (depends on 1)

The method according to claim 1, wherein said aqueous ink is a heat sensitive curing ink.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the primer is applied by means of digital printing.

### Claim 6 (depends on 1)

The method according to claim 1, further comprising applying a protective surface layer on top of the decorative design.

### Claim 7 (depends on 6)

The method according to claim 6, wherein the protective surface layer comprises one or several lacquer layers of a UV curable lacquer or a polyurethane lacquer.

### Claim 8 (depends on 1)

The method according to claim 1, wherein said element forms a surface layer of a building panel.

### Claim 9 (depends on 1)

The method according to claim 1, wherein the primer comprises at least one monovalent metallic salt being Na+.