# US 10,870,989 B2 · Directly printed panel having a two-layer design > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,870,989 B2 - Document ID: US10870989B2 - Status: Granted - Kind: B2 - Application number: 16/238,062 - Filed: 2019-01-02 - Published: 2019-05-09 - Granted: 2020-12-22 - Earliest claimed: 2019-01-02 - Assignees: Xylo Technologies AG - Applicants: Xylo Technologies AG - Inventors: Dieter Döhring - Web page: https://patentgrep.com/patent/US10870989B2 ## CPC - E04C 2/30: characterised by the shape or structure (translucent E04C2/54) - B05D 3/067: {Curing or cross-linking the coating} - B05D 7/586: {each layer being cured, at least partially, separately} - B32B 21/02: {the layer being formed} of fibres, chips, or particles {, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard} - B32B 21/08: of synthetic resin - B32B 27/308: {comprising acrylic (co)polymers} - B44C 1/00: Processes, not specifically provided for elsewhere, for producing decorative surface effects (decorating textiles D06Q) - E04C 2/20: of plastics - E04C 2/46: {specially adapted for making walls (E04C2/52, E04C2/54 take precedence; structure of slab-shaped elements E04B1/02; walls of elements of relatively thin form E04B2/72)} - E04C 2/50: {Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded (E04C2/52, E04C2/54 take precedence; structures of slab-shaped elements E04B1/02; floor structures E04B5/00; roofs consisting of self-supporting slabs E04B7/20; ceilings E04B9/00; roof coverings E04D; floor coverings E04F15/00)} - E04F 13/0889: {characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections} - E04F 13/16: of fibres or chips, e.g. bonded with synthetic resins {, or with an outer layer of fibres or chips (E04F13/0864 takes precedence)} - E04F 15/02038: {characterised by tongue and groove connections between neighbouring flooring elements} - E04F 15/102: {of fibrous or chipped materials, e.g. bonded with synthetic resins} - E04F 15/107: {composed of several layers, e.g. sandwich panels (layered products in general B32B; producing decorative panels or veneers B44C5/04)} - B05D 5/06: to obtain multicolour or other optical effects (B05D5/02 takes precedence) - B05D 7/06: to wood - B32B 2419/04: Tiles for floors or walls - B32B 2471/00: Floor coverings (B32B2419/04 takes precedence) - B32B 2607/02: Wall papers, wall coverings - Y10T 428/24802: Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] - Y10T 428/24868: Translucent outer layer - E04C: STRUCTURAL ELEMENTS; BUILDING MATERIALS (for bridges E01D; specially designed for insulation or other protection E04B; elements used as building aids E04G; for mining E21; for tunnels E21D; structural elements with broader range of application than for building engineering F16, particularly F16S) - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - 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)} - E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A panel and a method for manufacturing of such a panel with a carrier plate, comprising a front side and a back side, and wherein the carrier plate comprises a layer system at least at the front side that is built from various polymer layers with different hardness values. ## Claims ### Claim 1 A panel comprising a carrier plate having a front side and a back side, wherein the carrier plate has a layer system at least at the front side, wherein the layer system, originating of the front side, comprises: a first elastic layer S1 made of a polymer, having a thickness of 80 to 600 μm and a Martens hardness MS1 of 2 to 50 N/mm2; as well as a second layer S2 made of a polymer, having a thickness of 10 to 180 μm and a Martens hardness MS2, wherein MS2>MS1. ### Claim 2 (depends on 1) The panel according to claim 1, wherein the polymer of the layer S1 is an aliphatic polymer. ### Claim 3 (depends on 1) The panel according to claim 1, wherein MS1 is between 2 and 40 N/mm2. ### Claim 4 (depends on 1) The panel according to claim 1, wherein MS2 is between 50 and 300 N/mm2. ### Claim 5 (depends on 1) The panel according to claim 1, wherein the first elastic layer S1 has a thickness of 80 to 450 μm. ### Claim 6 (depends on 1) The panel according to claim 1, wherein the second elastic layer S2 has a thickness of 10 to 180 μm. ### Claim 7 (depends on 1) The panel according to claim 1, wherein the carrier plate comprises tongue and groove elements at its sides, enabling coupling of various similar panels in parallel direction to the front side and perpendicular to the front side by form fitting. ### Claim 8 (depends on 1) The panel according to claim 1, wherein the polymer of the layer S1 is based on a radiation hardened aliphatic acrylate. ### Claim 9 (depends on 1) The panel according to claim 1, wherein a decor layer is arranged between the front side and the layer S1, comprising a printing ink. ### Claim 10 (depends on 1) The panel according to claim 1, wherein a third elastic layer S3 is arranged between the front side and decor layer, having a Martens hardness MS3, wherein MS3≤MS1. ### Claim 11 (depends on 10) The panel according to claim 10, wherein the layer S3 has a thickness of 10 to 300 μm. ### Claim 12 (depends on 9) The panel according to claim 9, wherein the printing ink is based on a polymerizable acrylate and/or N-vinylcaprolactam. ### Claim 13 (depends on 9) The panel according to claim 9, wherein the printing ink of the decor layer and at least a part of the layer S1 have been hardened together. ### Claim 14 (depends on 9) The panel according to claim 9, wherein the decor layer has been applied by digital printing. ### Claim 15 (depends on 1) The panel according to claim 1, wherein the polymer of the layer S2 is based on one or more of the following acrylates: 1,6-hexandioldiacrylate, polyester acrylate, polyurethane acryl acid ester or dipropylene glycole diacrylate. ### Claim 16 (depends on 1) The panel according to claim 1, wherein the carrier plate has a thickness between 3 and 20 mm. ### Claim 17 (depends on 1) The panel according to claim 1, wherein the carrier plate is a MDF plate, a HDF plate, a PVC plate, a cement fiber plate, a WPC plate (wood powder composite), a thermoplastic recycling plate, wood plate, a wood veneer plate, or a parquet plate. ### Claim 18 (depends on 1) The panel according to claim 1, wherein no paper or plastic foil is applied to the front side of the panel. ### Claim 19 (depends on 10) The panel according to claim 10, wherein the source materials of the layers S1, S2, and S3 are radiation hardenable materials. ### Claim 20 (depends on 1) The panel according to claim 1, wherein the layers S1 and S2 are transparent. ### Claim 21 (depends on 1) The panel according to claim 1, wherein the panel is not provided with abrasion-resistant particles. ### Claim 22 (depends on 1) The panel according to claim 1, wherein the layer system has a damping effect of at least 5 dB, compared to the uncoated carrier plate, measured according to EPLF norm. ### Claim 23 (depends on 1) The panel according to claim 1, wherein the hardness of the elastic layer S1 is substantially constant over the total thickness, and in that the hardness differences within the layer are less than 20 N/mm2. ### Claim 24 (depends on 1) The panel according to claim 1, wherein the panel is a wall panel, ceiling panel, or floor panel. ### Claim 25 (depends on 1) The panel according to claim 1, wherein MS1 is between 2 and 30 N/mm2. ### Claim 26 (depends on 1) The panel according to claim 1, wherein MS2 is between 15 and 150 N/mm2. ### Claim 27 (depends on 1) The panel according to claim 1, wherein the first elastic layer S1 has a thickness of 120 to 240 μm. ### Claim 28 (depends on 1) The panel according to claim 1, wherein the second elastic layer S2 has a thickness of 20 to 100 μm. ### Claim 29 (depends on 1) The panel according to claim 1, wherein the polymer of the layer S1 is based on a radiation hardened aliphatic urethane acrylate. ### Claim 30 (depends on 10) The panel according to claim 10, wherein the layer S3 has a thickness of 30 to 150 μm. ### Claim 31 (depends on 13) The panel according to claim 13, wherein the printing ink of the decor layer and at least a part of the layer S1 have been hardened together by radiation. ### Claim 32 (depends on 1) The panel according to claim 1, wherein the carrier plate has a thickness between 4 and 15 mm.