The disclosure relates to a process for manufacturing a board element comprising at least one cavity (2) in a rear side thereof. The process comprises providing a substrate (3) comprising a thermoplastic material, wherein the substrate comprises a substrate portion (3a), and creating the at least one cavity in a rear side (3b) of the substrate by impressing the substrate portion by an impression device (10) comprising at least one protruding impression element (9), thereby obtaining the board element. The substrate portion is disposed at an elevated temperature (TS) of 40-295 °C when creating the at least one cavity. The process comprises creating at least one tapering cavity by means of at least one tapering impression element.
E04C 2/32 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of such layers with or without layers of flat sheet-like material
B29C 59/04 - Surface shaping, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
B32B 3/30 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 38/00 - Ancillary operations in connection with laminating processes
E04C 2/20 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of foamed products of plastics
E04F 13/077 - Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements composed of several layers, e.g. sandwich panels
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
2.
PROCESS FOR MANUFACTURING A BUILDING PANEL AND AN ASSOCIATED BUILDING PANEL
The disclosure relates to a process for manufacturing a building panel (1), such as a floor panel, comprising a core (2). The process comprises providing a core material (3) comprising a thermoplastic material (3a), a filler (3b) and hollow microparticles 5 (3c), and applying heat and pressure to the core material to form the core. The disclosure also relates to a corresponding building panel.
E04C 2/22 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of foamed products of plastics reinforced
E04C 2/24 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of foamed products laminated and composed of materials covered by two or more of groups , ,
E04C 5/07 - Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
3.
ARRANGEMENT AND METHOD FOR FORMING GROOVES IN A BOARD ELEMENT
The disclosure relates to an arrangement (1) for forming grooves (21) in a board element (20). The arrangement comprises a support member (2) for supporting the board element during the forming and cutting elements (3) arranged on a spindle member (4) configured to rotate around a rotational axis. The cutting elements are configured to form the grooves by removing material from the board element. The spindle member is arranged in a pivot body (10) configured to be pivoted with respect to the support member. The arrangement comprises a driving device (30) configured to drive the pivot body, wherein the driving device is configured to rotate in a single direction during a groove forming cycle.
B26D 1/14 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
B26D 3/06 - Grooving involving removal of material from the surface of the work
B27F 1/02 - Making tongues or grooves, of indefinite length
B27M 3/04 - Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
E04F 15/02 - Flooring or floor layers composed of a number of similar elements
4.
METHOD AND ASSEMBLY FOR MANUFACTURING A BOARD ELEMENT COMPRISING A RECYCLED MATERIAL
33 ABSTRACT The disclosure relates to a method for manufacturing a board element, such as a floor element, comprising an at least partially recycled board layer (2). The method comprises providing a pre-processed material (3) from at least one weight-reduced 5 preformed board element, preferably being obtained by removal of material from a rear side thereof, wherein the pre-processed material comprises a thermoplastic material, and providing a virgin material (4) comprising a thermoplastic material. The method further comprises applying heat and pressure to the pre-processed material and the virgin material in a double-belt press (25') to form the board layer (2), and 10 forming a board element comprising the board layer. The disclosure also relates to a corresponding assembly (20) for manufacturing of a board element. Elected for publication: Figure 2a
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
B32B 21/02 - Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board in the form of fibres, chips, or particles
B44C 5/04 - Ornamental plaques, e.g. decorative panels, decorative veneers
There is disclosed an underlay element (1) configured to be provided between a floor covering (10) and a subfloor (12). The underlay element comprises a base matrix (2) and a plurality of restriction members (3) at least partly embedded in the base matrix. The base matrix comprises a first material which is compressible and, preferably, foamed. The restriction members comprise a second material, wherein a size of each of the restriction members exceeds 0.25 mm in at least one direction. A compression of the underlay element is configured to be restricted by the restriction members. There is also disclosed a corresponding floor assembly (20) comprising a floor covering and an underlay element.
There is disclosed a method for forming at least one groove in a board element (1; 1'), wherein the board element comprises a polymer-based material and, preferably, a filler. The method comprises providing a board element comprising a board portion 5 disposed at an elevated temperature and forming at least one groove by removing material (4'), such as chips, from the board portion by a processing device (13).
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
B29C 59/02 - Surface shaping, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
7.
A THERMOPLASTIC-BASED BUILDING PANEL COMPRISING A BALANCING LAYER
The disclosure relates to a thermoplastic-based building panel (1), such as a floor panel. The building panel comprises an upper layer arrangement (2), a lower layer arrangement (3), and a balancing layer (4) provided between the lower and the upper layer arrangement. The building panel further comprises a groove arrangement (10) comprising grooves (11). Moreover, the disclosure relates to a thermoplastic-based building panel (1) comprising an upper layer arrangement and a balancing layer which is a bottom layer of the building panel. The building panel comprises a groove arrangement, wherein a major portion of the grooves therein is provided in the balancing layer only. Finally, the disclosure relates to a thermoplastic- based building panel (1) comprising a mechanical locking system for horizontally and/or vertically locking the building panel to an adjacent building panel. The mechanical locking system comprises a cooperating surface which is situated in a balancing layer and is configured to cooperate with a cooperating surface of an adjacent building panel.
B32B 3/30 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
E04F 15/02 - Flooring or floor layers composed of a number of similar elements
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
8.
A METHOD AND SYSTEM FOR ATTACHING AN UNDERLAY ELEMENT TO A BOARD ELEMENT AND AN ASSOCIATED BOARD ELEMENT
There is disclosed a method for attaching an underlay element (23) to a weight- reduced board element (1). The method comprises providing a board element and an underlay element, wherein a rear side (4) of the board element comprises a groove portion and a remaining portion. The groove portion comprises at least one groove (10). An adhesive (20) is applied on at least a portion of the remaining portion and/or on at least a portion of a corresponding residual portion of the underlay element, and the underlay element is arranged on the rear side of the board element, such that the adhesive contacts the underlay element and the rear side.
B32B 3/30 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
There is disclosed a mineral-based floor panel (1) comprising a mineral-based core, wherein the panel comprises at least one groove (19). The at least one groove (19) may be provided in a rear side (4) of the panel. There is also disclosed other such mineral-based panels, such as a building panel, a wall panel, a ceiling panel or a furniture panel. There is also disclosed a method for forming such grooves (19) in a mineral-based panel.Furthermore, there is disclosed a mineral-based panel (1) comprising a mineral-based core and polymer-based lower layer(s)attached to the core. A locking system of the panel comprises a strip extending horizontally beyond an upper portion of the panel, wherein at least a horizontal portion of the strip is entirely formed in the polymer-based lower layer(s).
E04F 15/08 - Flooring or floor layers composed of a number of similar elements of glass
B32B 3/30 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
10.
METHODS FOR FORMING GROOVES IN A BOARD ELEMENT AND AN ASSOCIATED PANEL
There is disclosed a method for forming grooves (10) in a board element (200). The method comprises arranging the board element in contact with a support member (120), and forming at least one groove (10) in a rear side (220) of the board element by removing material, such as chips, from the board element by a rotating cutting device (131) comprising a plurality of tooth elements configured to rotate around a rotational axis. The method further comprises counteracting, such as preventing, a displacement of the board element away from the support member during forming of the at least one groove, wherein the counteracting, such as preventing, comprises arranging at least a portion of the board element between an obstruction element (170) and the support member. The disclosure generally relates to methods and systems for forming groove(s) in a board element as well as to various panels comprising at least one groove.
B26D 1/147 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with horizontal cutting member
B26D 3/06 - Grooving involving removal of material from the surface of the work
E04F 15/02 - Flooring or floor layers composed of a number of similar elements
11.
A FLOORING SYSTEM PROVIDED WITH A CONNECTING SYSTEM AND AN ASSOCIATED CONNECTING DEVICE
There is disclosed a flooring system comprising floor panels (100, 200) and a connecting system for connecting the floor panels. The flooring system comprises a first (100) and a second (200) floor panel, and a connecting device (300) comprising a first (310) and a second (320) connecting element. The first connecting element is configured to cooperate with the first and second floor panel for horizontally connecting the first and second floor panel.The second connecting element is configured to cooperate with the first connecting element for vertically connecting the first and the second floor panel.There is also disclosed a connecting device (300) for connecting a first (100) and a second (200) floor panel.
Floor panels (1, 1') are shown, which are provided with a mechanical locking system that may be locked with a vertical displacement of a first panel against a second panel. The locking system comprises a first rigid (7a) and a second flexible (7b) joint edge section with different locking functions. The first edge section provides a horizontal locking and the second section provides a vertical locking.
Floor panels (1, 1') are shown, which are provided with a mechanical locking system that may be locked with a vertical displacement of a first panel against a second panel. The locking system comprises a flexible strip (6) that during locking bends upwardly or downwardly. The locking system comprises a first (7a) and a second (7b) joint edge section with different locking functions. One section provides a horizontal locking and another section provides a vertical locking.
The disclosure relates to a building panel (1) including a water resistant core (5) comprising thermoplastic material 21 and a surface layer (4) comprising thermosetting resins. Production methods to form a board material (1') with a dry blend of thermoplastic particles 21a in powder form and fillers in powder form and to apply a surface layer (4) with a hot-hot lamination process to a core (5) comprising such board material are also described.
Water-based ink comprising a pigment mix and a method to form a digital print on a substrate with a pigment mix comprising large pigments and a Piezo ink head equipped with an ink circulation system, the method including: providing a water-based ink including an aqueous pigment mix including settling pigments, a binder including an acrylic resin dispersion,and a viscosity increasing substance including glycol and/or glycerine, providing a steric stabilisation of the pigments and adapting the size of the pigments and the viscosity of the water-based ink such that a settling velocity of the pigments exceeds about0.001 mm/min at 25°C, circulating said water-based ink within said at least one Piezo print head, and printing a digital image with said at least one Piezo print head by applying ink drops of said water-based ink on the substrate.
B41M 1/26 - Printing on other surfaces than ordinary paper
B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
16.
DIGITAL PRINT WITH WATER-BASED INK ON PANEL SURFACES
A water-based ink and a method to form a digital print with the water-based ink on a dense substrate (4) including a polymer material or on surfaces that are heated and pressed after printing. The substrate is prior to the printing step preferably heated in order to prevent floating of the water-based ink drops (22).
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
C09D 11/40 - Ink-sets specially adapted for multi-colour inkjet printing