CN104302854B - Core, panel blank, floor panel and methods of their production - Google Patents

Core, panel blank, floor panel and methods of their production Download PDF

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Publication number
CN104302854B
CN104302854B CN201280073097.8A CN201280073097A CN104302854B CN 104302854 B CN104302854 B CN 104302854B CN 201280073097 A CN201280073097 A CN 201280073097A CN 104302854 B CN104302854 B CN 104302854B
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CN
China
Prior art keywords
described
floor panel
material
material block
less
Prior art date
Application number
CN201280073097.8A
Other languages
Chinese (zh)
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CN104302854A (en
Inventor
彼得·古斯塔夫森
丹·西格弗里德森
Original Assignee
古斯塔夫康氏公司
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Application filed by 古斯塔夫康氏公司 filed Critical 古斯塔夫康氏公司
Priority to PCT/EP2012/058443 priority Critical patent/WO2013167171A1/en
Publication of CN104302854A publication Critical patent/CN104302854A/en
Application granted granted Critical
Publication of CN104302854B publication Critical patent/CN104302854B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/02038Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • E04C2/205Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/246Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 combinations of materials fully covered by E04C2/16 and E04C2/20
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building 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
    • E04C2/34Building 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 two or more spaced sheet-like parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building 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
    • E04C2/38Building 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 with attached ribs, flanges, or the like, e.g. framed panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E04F15/041Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top layer of wood in combination with a lower layer of other material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/16Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; Parquet on flexible web
    • E04F15/166Flooring consisting of a number of elements carried by a common flexible web, e.g. rollable parquet
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49616Structural member making
    • Y10T29/49623Static structure, e.g., a building component
    • Y10T29/49629Panel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24066Wood grain
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Abstract

The present document discloses a core for inclusion in a building panel 1". The core presents a pair of substantially parallel major surfaces, and comprises a plurality of first material blocks 10', extending between said major surfaces and arranged with their respective principal directions substantially parallel with said major surfaces and extend 90 DEG +/- 45 DEG to a principal direction of the core; and a plurality of second material blocks 11 ', extending between said major surfaces and being arranged alternately with said first material blocks along the principal direction of the core. The first material blocks and said second material blocks differ substantially with respect to at least one material property.

Description

Core, panel blank, floor panel and its production method

Technical field

Present disclosure is related to build panel (building panel) and particularly floor panel.

More specifically, present disclosure relates to be included in the core building in panel such as floor panel, is used for being formed The blank of building panel, and the method relating to form such core, blank and building panel.

Background

It is known that provide comprising by multiple rudimentary wood blocks (also referred to as " lath (slat) " or " thin slices (lamellae) the parquet floor panel of the core ") being formed, the plurality of rudimentary wood blocks are arranged such that its machine direction is hung down Directly in the longitudinal direction of floor panel.Core is sandwiched between decorative layer and balance layer, and decorative layer is typically about the wood surface of 3mm Layer, balance layer is typically about the panelling (wood veneer) of 2mm.Decorative layer and balance layer are glued to core.

Floor panel described above has been manufactured since 1940 always, and except the improvement in surface treatment Outside, the introducing of bonding technique and mechanical interlocking system also experienced relatively small change.

The embodiment of such parquet floor panel is public in such as wo96/30177 a1 and us2005/0208255a1 Open.

The cost reducing the floor panel being previously mentioned type further is desired.

Definition

Term " panel blank (panel blank) " be understood as there is the pattern substantially the same with final products but with regard to The material pieces for example not completed in the pattern of the fastening system of the edge of panel blank.

Term " blank " is understood as the material pieces that expection is divided into multiple panel blanks.

" major surfaces " are typically core, the surface up or down of blank, panel blank or building panel or floor panel. These surfaces are generally parallel to each other.

In the case of article are elongated (that is, general rectangular and non-square), core, blank, panel blank or " principal direction (the principal direction) " of building panel or floor panel can be longitudinal direction.Alternately or mend Fill, principal direction can be the part that is substantially parallel to and forms blank, panel blank or floor panel in addition to sandwich layer Another kind of layer such as decorative layer and/or balance layer assume the direction of main bending strength and/or main tensile strength along it The primary fibre direction in direction, such as decorative layer and/or balance layer.

The direction that the major part that " primary fibre direction " is defined as in wood blocks or the fiber of facing extends along.Generally, main Machine direction is generally consistent with the longitudinal direction of wood blocks, because timber is generally cut to make its fiber generally vertical To extension.

" swellable polymers material " is understood as comprising the polymeric material of resin and substantial amounts of inflation inclusions.

General introduction

The present invention is generally directed to overcome or alleviated by some shortcomings of the floor panel of prior art, is especially absorbed in and subtracts Few cost.

The present invention is defined by the enclosed independent claim, wherein each embodiment be described below and accompanying drawing in old State.

According to first aspect, there is provided for being included in the core in building panel.Core assumes a pair substantial parallel master Want surface, and comprise: multiple first material blocks, the plurality of first material block extends and by cloth between described major surfaces It is set to so that its respective principal direction is substantially parallel to described major surfaces and principal direction ± 45 ° of ground in 90 ° with regard to core Extend;And multiple second material block, the plurality of second material block extends and the master along core between described major surfaces Direction is alternately arranged with described first material block.Described first material block and described second material block are with regard at least one material Matter is substantially different.

Such core provides the machine of the improved control of the intensity to the property relevant with core such as core and weight and cost Meeting.

" principal direction of core " can be understood as the longitudinal direction of core, when core is using as elongated or substantially continuous sheet material When shape product (sheet-like product) produces, this is especially suitable for.

First material block preferably pertain to core ± 30 ° in 90 ° of principal direction, 90 ° ± 15 °, 90 ° ± 5 ° extend or generally Principal direction perpendicular to core extends.Second material block generally can be substantially parallel to the first material block and extend.

" being substantially different " means that difference is more than the degree that will be led to by only change at random, and described change at random has Occur between same type and the material block of orientation, will be such as the situation between two pieces same type timber, or will be such as Because situation of manufacturing tolerance etc..

Core can present about 5mm to about 50mm, preferably about 7mm to its major surfaces of about 15mm between thickness.

Along core principal direction obtain, perpendicular to major surfaces and comprise equal number whole first material blocks and The cross section of the core of whole second material blocks can assume based on area 50% less than described second material block.

Therefore, the first material block can be formed more than core by body in the case of not calculating any edge strengthening insert The 50% of long-pending meter.

Core can comprise at least one net, and at least one net described can be attached to and substantially over core At least one of major surfaces.

Net can comprise in Such nonwoven materials, Woven, the material based on paper pulp and polymeric film at least A kind of.

Net can comprise the material with the bond property with respect to described first piece and/or described second material block Material.

Net can be sufficiently flexible to allow chip bending to allow the main of a pair the first neighbouring material block Angle between surface normal is more than 5 °, is preferably more than 10 °, more than 15 °, more than 20 ° or more than 25 °.

First material block and the second material block can by forming with regard to material type, material, density of material, material hardness, At least one different material in material tensile strength and elasticity modulus of materials is formed.

With regard to " material type ", block can be formed by different materials, such as timber and swellable polymers material or not The polymeric material of same type or different types of timber.

With regard to " material composition ", block can be formed by having the polymeric material that different materials form and/or by comprising The polymeric material of different types of implant or additive is formed.

With regard to density of material, the first material block can have the density higher than the second material block.

With regard to " material hardness ", the first material block can be harder than the second material block.

With regard to " material orientation ", the first material block and the second material block can have anisotropic property, and permissible Orient according to different directions.For example, the first material block can have the fiber of the principal direction extension being essentially perpendicular to core, and Second material block is substantially parallel to principal direction or the thickness direction extension parallel to core of core.

With regard to " material tensile strength ", the first material block can have the tensile strength higher than the second material block.

With regard to " elasticity modulus of materials ", the first material and the second material can assume different bending stiffnesses.This is different Bending stiffness generally can present at least with the longitudinal direction of material block.

The principal direction of the first material block can be substantially parallel to the main bending stiffness of the first material block and/or mainly resist The direction of Zhang Qiangdu.

In a set of embodiment, the first material block can be formed by wooden material.

Therefore, the principal direction of the first material block can be substantially parallel to the primary fibre direction of wooden material.

Wood blocks can include a kind of wood blocks of lumber quality (wood quality), and described lumber quality is less than or waits According to nineteen sixty Sweden "The v of boken " (" Green Book ") standard, preferably lower than or equal to vi or less than or wait In vii.Alternately, wood blocks can have less than or equal to according to Sweden of 1994 "Boken " (" blue book ") The b of standard, preferably lower than or equal to c or the lumber quality less than or equal to d.Alternative as another, wood blocks can be wrapped Include the g4-2/g2-2 of European en 1611-1 standard less than or equal to 2000, preferably lower than or equal to g4-3/g2-3 or The wood blocks of the quality less than or equal to g4-4/g2-4.

Preferably, timber have according to "The quality of v or vi of boken " standard or have according to any other mark Accurate corresponding quality.

Wood blocks or can also alternately have c18 less than or equal to en 338 standard, preferably lower than or equal to C16 or the strength grade less than or equal to c14.

In another set of embodiment, the first material block can be formed by composite.

Composite can include polymeric material matrix and filler material and/or reinforcement material.

Filler material can include timber bits (wood dust), lumber fibre, wood particle, wooden shavings, be based on ore deposit The implant of thing or polymeric material.

Reinforcement material can be arranged to the anisotropic intensity property providing composite.

For example, reinforcement material can comprise to be substantially parallel to the long fibre that the principal direction of the first material block extends.Therefore, First material block can be formed by Engineered Wood Product Manufacturing material.

The non-limiting example of Engineered Wood Product Manufacturing material includes fibre board, particieboard (chip board), flakeboard (particle board) and reconstituted wood.First material block and can be formed by different types of Engineered Wood Product Manufacturing material Two material blocks.

Second material block can be by swellable polymers material, Engineered Wood Product Manufacturing material or non-expansibility polymeric material shape Become.

Swellable polymers material block can include expanded vinyl, dilatancy polypropylene and dilatancy polyphenyl second At least one in alkene, extruded polystyrene foam.

Swellable polymers material can be non-filling or with for example with timber bits, lumber fibre, wood particle, timber The implant filling of the form of wood shavings, the implant based on mineral and/or polymeric material.

Generally, the second material block is by by the cost having than the first material block, intensity and/or low density cost, intensity And/or the Engineered Wood Product Manufacturing material of density is formed.

Generally, non-expansibility polymeric material can include the one-tenth with cost and/or low intensity than the first material block One or more of polymeric matrix material of this and/or intensity and with timber bits, lumber fibre, wood particle, wooden sheet, base Implant in the implant of mineral and/or the form of polymeric material.Density can be lower or higher.Low-density will provide Weight advantage, and higher density can provide the property of desired noise absorbent or minimizing.According to second aspect, there is provided use In the blank forming building panel, described blank comprises core described above and substantially in the major surfaces of core At least one structure sheaf of at least one.

As non-limiting example, building panel can be that floor panel, wall panel, ceiling panels or roof are embedding Plate.

Structure sheaf can include decorative layer and/or wearing layer.

Structure sheaf can also include the back-up coat being arranged between core and decorative layer.

In a set of embodiment, decorative layer can comprise laminated material.

In another set of embodiment, decorative layer can comprise timber.

In another set of embodiment, decorative layer can comprise (or substantially consisting of): plastic material, for example, wrap Include polrvinyl chloride, acrylic acid, epoxy resin, polyurethanes;Rubber or rubber-like material;Or malthoid.

In certain embodiments, decorative layer can substantially be formed by solid wood material.

Blank can also comprise balance layer, and described balance layer comprises panelling, polymeric film, woven net, non-machine Knit net and/or the material based on paper pulp.

The principal direction of core can be substantially parallel to the direction of the main bending stiffness of at least one of described structure sheaf.

The principal direction of core can be substantially parallel to the longitudinal direction of blank.

According to the third aspect, there is provided the building panel being formed by blank as disclosed above.Such floor panel is permissible It is equipped with fastening system along at least two in its relative marginal portion.

According to fourth aspect, there is provided the method manufacturing the core for building panel, core present a pair substantial parallel Major surfaces.The method includes: provides multiple first material blocks, arranges that multiple first material blocks make its respective principal direction big Parallel to major surfaces and be essentially perpendicular to the principal direction of core on body;And multiple second material blocks are provided, the plurality of Second material block is alternately arranged in the described principal direction of core with described first material block.

The step providing described second material block can be included preformed second material block and described first material Block is alternately arranged.

The longitudinal direction of two that the step of described second material block can be included in providing described first material block is provided to divide From space in polymeric material resin and subsequently cause polymeric material resin expansion is provided.

The step providing described second material block can include providing having and is at least initially larger than described first material block Second material block of the thickness of thickness.

The method can also include compressing described second material block, is applied to core together with by net or structure sheaf.

The method can also include providing the adhesion between core and layer using described second material block.

According to the 5th aspect, there is provided the method manufacturing building panel, the method includes providing blank described above; By from blank building panel blank along core principal direction be cut into be adapted to provide for build panel pattern;And edge lands At least one edge of plate panel blank forms mechanical connecting device.

The method is additionally may included at least a portion of mechanical connecting device provides surface treatment.

Alternately or other measure, surface treatment can include applying a layer to the exposure of described second material block Part.

Alternately or other measure, surface treatment can include the expose portion of the second material block described in thermosetting.

According to the 6th aspect, there is provided floor panel, described floor panel comprises: decorative layer and sandwich layer.When floor is embedding When plate is generally horizontally oriented, core is arranged in below decorative layer.Sandwich layer comprises multiple wood blocks, and the plurality of wood blocks are by cloth It is set to so that its respective primary fibre direction is substantially parallel to the plane being defined by the major surfaces of floor panel and substantially On perpendicular to floor panel principal direction.Sandwich layer comprises multiple second materials being made up of the material different from described wood blocks Block, and the principal direction along floor panel, sandwich layer assumes the alternately portion being formed by described wood blocks and described second material block Point.

" the second material block " is understood as the material block of the material different from wood blocks.Second material block can for example have ratio The substantially low quality of wood blocks (intensity and/or rigidity) and/or cost.Therefore, the second material block is mainly used to fill wood blocks Between space, and minimizing noise can be provided that.

Can be to reduce with the floor panel comprising to comprise multiple second material blocks only compared with the floor panel of wood blocks Cost produce, because such second material can cost more less than the timber of even worst quality.

Additionally, as with comprise only compared with the floor panel of timber, the second material can reduce the weight of floor panel, because This reduces cost of transportation and beneficial to installation.

Along the principal direction of floor panel, the total length of the second material block can be less than the total length of wood blocks.

Along the principal direction of floor panel, the total length of the second material block can be more than the total length of floor panel 5%, Preferably more than the total length of floor panel 10%, 20%, 30% or 40%.Generally, the total length of the second material block is less than The 50% of the total length of floor panel.

Second material block can have the density lower than described wood blocks and/or in the side parallel to described primary fibre direction The tensile strength lower than described wood blocks upwards.

Second material block can comprise swellable polymers material block, such as expanded vinyl, dilatancy polypropylene with And at least one in expanded polystyrene, extruded polystyrene foam.

Alternately or supplementary, the second material block can include Engineered Wood Product Manufacturing product.

As another alternatively or additionally, the second material block can comprise non-expansibility polymeric material, described unexpansive Property polymeric material includes filler material.

Wood blocks can include a kind of wood blocks of lumber quality or can be substantially by a kind of wood blocks of lumber quality Composition, described lumber quality be less than or equal to according to Sweden of nineteen sixty "The v of boken " (" Green Book ") standard, excellent Selection of land is less than or equal to vi or is less than or equal to vii.Alternately, wood blocks can have less than or equal to according to 1994 Sweden "The b of boken " (" blue book ") standard, preferably lower than or equal to c or the lumber quality less than or equal to d.Make Alternative for another, wood blocks may include a below or be equal to the g4-2/g2-2 of European en 1611-1 standard of 2000, excellent Selection of land is less than or equal to g4-3/g2-3 or the wood blocks of the quality less than or equal to g4-4/g2-4.

Wood blocks can also or alternately, including or substantially consist of: have and mark less than or equal to en 338 The wood blocks of the c18 of standard, preferably lower than or equal to c16 or the strength grade less than or equal to c14.

Therefore, to a great extent can be using low or low-down quality and therefore low or low-down cost wood Material block.

Sandwich layer can also comprise to reinforce insert part, and described reinforcing insert partly can be arranged on the short of floor panel Lateral edge portion office.

Generally, the sandwich layer of floor panel can by the about 80-99% by volume of alternate timber and the second material block, Possibly 90-95% composition by volume.Remainder can be made up of especially insert, and described insert is suitable for carrying Specific part for fastening system.

The edge part office that second material block can be exposed in described second material block is provided with face coat.

Selectively or as supplementing, the edge part office that the second material block can be exposed in described second material block is in Now increase a part for density.

Decorative layer can comprise natural timber, or is substantially made up of natural timber.

Floor panel can comprise balance layer, and sandwich layer can be sandwiched between balance layer and decorative layer.

According to the 7th aspect, there is provided the method manufacturing floor panel, methods described includes: in coplanar mode side by side Ground arranges multiple elongated wood blocks so that its respective longitudinal direction is substantially parallel to each other to form sandwich layer.Method is also wrapped Include and provide at least decorative layer to form panel blank for sandwich layer, and cut panel blank to form elongated floor panel base Part is so that the longitudinal direction of wood blocks is essentially perpendicular to the principal direction of floor panel blank.Method also includes providing multiple Two material blocks, the plurality of second material block and wood blocks are alternately arranged along the principal direction of floor panel blank.Second material Block has the density lower than described wood blocks and/or lower than described wood blocks on the direction parallel to described primary fibre direction Tensile strength.

Method can also include forming locking device along the described principal direction of floor panel blank.

The brief description of accompanying drawing

Fig. 1 is the schematic, exploded of panel blank.

Fig. 2 is the perspective schematic view of panel blank.

Fig. 3 is the perspective schematic view of a part for floor panel.

Fig. 4 is the schematic plan of floor panel.

Fig. 5 is the schematic cross-sectional view of floor panel.

Fig. 6 a-6c schematically shows the method producing blank or panel blank.

Fig. 7 a-7d schematically shows the first alternative approach producing blank or panel blank.

Fig. 8 a-8b schematically shows the second alternative approach producing blank or panel blank.

Fig. 9 a-9c schematically shows core.

Figure 10 schematically shows the 3rd alternative approach producing blank or panel blank.

The description of embodiment

Fig. 1 is the schematic, exploded of floor panel blank 1, and described floor panel blank 1 comprises decorative layer 13, sandwich layer 10th, 11 and balance layer 12.Fig. 2 shows the floor panel blank 1 ' being in assembled state.Sandwich layer 10,11 is by along floor The wood blocks 10 that the longitudinal direction l of panel blank is alternately arranged and swellable polymers block 11 are formed.For example, floor panel blank This longitudinal direction can be substantially parallel to the primary fibre direction of panelling, described panelling forms regarding of decorative layer 13 The upper surface exposing in feel.

Wood blocks 10 can be generally elongated so that its respective primary fibre direction generally with respective piece 10 Longitudinal direction i is consistent.The cross section of wood blocks 10 can assume thickness tw and width ww.Width ww can be more than thickness tw.

The longitudinal direction i of wood blocks 10 can extend on ± 45 ° of ground in 90 ° with respect to the longitudinal direction l of floor panel blank. Preferably, ± 30 ° in 90 ° with respect to the longitudinal direction of panel blank of wood blocks, 90 ° ± 15 °, 90 ° ± 5 ° or 90 ° of ± 1 ° of ground prolong Stretch.

Wood blocks can include the block of any outward appearance, but because cost reason is it may be preferred that wood blocks include or this Consist of in matter (for example, at least 50%, at least 70%, at least 90% or at least 95% consisting of): less than or wait According to nineteen sixty Sweden "The v of boken " (" Green Book ") standard, preferably lower than or equal to vi or less than or wait Lumber quality in vii;Less than or equal to according to Sweden of 1994 "The b of boken " (" blue book ") standard, preferably The lumber quality less than or equal to c or less than or equal to d for the ground;Or the European en 1611-1 standard less than or equal to 2000 G4-2/g2-2, preferably lower than or equal to g4-3/g2-3 or the lumber quality less than or equal to g4-4/g2-4.

Additionally, wood blocks can have the c18, preferably lower than or equal to c16 or low less than or equal to en 338 standard In or be equal to c14 strength grade.

Wood blocks can be formed by elongated wooden frame, and/or by being joined together (for example using finger joint, Dovetail engages and/or glued) shorter wood piece formed.

Swellable polymers block 11 can be so-called " rigid polymer foam ", and described " rigid polymer foam " is permissible It is defined as the foam of the elastic modelling quantity (e) of about 0.02gpa-0.4gpa, preferably about 0.1gpa-0.4gpa.Density can With in 20kg/m3-400kg/m3, preferably about 10kg/m3-100kg/m3, most preferably about 20kg/m3-50kg/m3Scope In.

Alternately, swellable polymers block 11 can be so-called " flexible polymer foam ", described " flexible polymer Foam " can be defined as the foam of the elastic modelling quantity (e) of about 0.0003gpa-0.0015gpa.Density can be in 5kg/ m3-200kg/m3Scope in.

Swellable polymers block 11 can be so-called closed-cell expanded property polymer (closed cell expanded ) or perforate swellable polymers polymer.

The example of material includes polystyrene, polyurethanes, polyolefin (such as polyethylene, polypropylene), thermosetting Material (phenol (phenolic), tripolycyanamide, carbamide or a combination thereof) and polrvinyl chloride (pvc).

Swellable polymers material block may include that additive, such as wooden shavings, wood particle, timber bits (sawdust, Wood powder) or lumber fibre;Mineral-filled thing (calcium, dolomite etc.);Polymer fill (for example, the polymer of recycling, rubber Glue or rubber-like material).Swellable polymers block 11 is shown as generally elongated so that its respective longitudinal direction is parallel Longitudinal direction i in wood blocks 10.The cross section of swellable polymers block 11 can assume thickness tp and width wp.Width wp can With more than thickness tp.

The thickness tw of wood blocks generally can in about 5mm-50mm, more generally about 5mm-25mm or about 7mm-15mm and And most generally in the magnitude of about 10mm.

Generally, the thickness tw of wood blocks 10 can be substantially the same with the thickness tp of swellable polymers block 11 or complete Identical.

The width ww of wood blocks 10 can be more than the width wp of swellable polymers block 11.As non-limiting example, The width wp of swellable polymers block 11 can be less than wood blocks 10 width ww about 90%, less than about 80%, less than about 70% or less than about 60%.

Therefore, floor panel 1 " can have the core being formed by alternate wood blocks and swellable polymers block, alternatively, Along the generally whole length of the described core in addition to one or two short side edge, described core can be equipped with reinforcing Insert, described reinforcing insert can by the timber of the quality higher than the quality of wood blocks 10, different types of timber and/ Or there are different machine directions for example perpendicular to the wood formation of the machine direction of wood blocks 10.Selectively, insert can To be formed by another kind of material, such as mdf, hdf, polymer or polymer composites (for example fiber reinforced polymer).Insert Each entering in thing can be less than floor panel 1 " length 15%, preferably less than floor panel 1 " length 10%, few Extend on 5% or less than 3%.

In addition or as supplement, this insert can be provided for one or two long side edges, in this case, Insert by along long side edges all or part of and perpendicular to floor panel principal direction extend.

With reference to Fig. 3 and 4, floor panel 1 " can be equipped with and be suitable for making floor panel 1 " with similar or identical floor The interconnective fastening system of panel 30,31,32,33.Such fastening system can be arranged to provide horizontally and/or vertically Machinery or form cooperation locking, i.e. floor panel can be wholly or partly locked together and not use glue.

In one embodiment, long side chain clamping system 30,31 can be identical with short side fastening system 32,33.Another Plant in embodiment, in terms of the geometry of such as fastening system and/or engineering propertiess, long side chain clamping system 30,31 is permissible Different from the geometry of short side fastening system and/or engineering propertiess.

It is therefore known for making the interconnective multiple different systems of floor machinery, and for producing their side Method is also so.The non-limiting example of these systems be illustrated in wo94/26999a1, us4,426,820, de1211175、de19851200c1、fr2675174、wo99/66151、wo97/47834、jp3169967、wo96/27721、 Gb1430423, wo02/55809, us4,819,932, in ep1863984a1 and ep1802827a1, these documents whole Content is therefore incorporated herein by.

Therefore, the other description of fastening system is deemed necessary.

With reference to Fig. 6 a-6c, produce floor panel 1 " method be disclosed.

Preformed (for example cut or mould) block of the pre-cut block 10 of timber and swellable polymers 11 can be disposed on the first sheet material, and described first sheet material can be balance layer 12 or decorative layer 13.Block 10,11 is being engaged To before the first sheet material 12, the side towards the first sheet material of the first sheet material 12,13 and/or block 10,11 can be equipped with glue.This Outward, the second sheet material 13 is provided and the side towards the second sheet material of the side of its block-oriented 10,11 and/or block 10,11 fills Have glue, the second sheet material 13 is engaged with block after this.

Block 10,11 may be disposed so that adjacent to each other along its longitudinal direction i.Selectively, vertical in floor panel To on the l of direction, little space can be provided between the component of each pair contiguous block.This space can be in 0.1mm-5mm, preferably In the magnitude of 1mm-3mm.

After sheet material 12,13 and block 10,11 are engaged, they can for example pass through roller or belt press in batches or It is continuously subjected to pressure.Supplementary pressure can be carried out with interpolation heat or for activating such as ultrasonic, microwave of other devices of glue etc..

Generally, these steps are executed to provide blank, described blank can have the about such as magnitude of 1.2m x2.4m Size.Such blank and then can be cut into floor panel blank 1 ', that is, have the floor panel 1 completing " general shape But do not form the blank of any fastening system 30,31,32,33 along its edge.Floor panel blank 1 ' and then can stand Mill and optionally add independent element (locking tongue, locking element, locking bar etc.) with provide desired fastening system 30, 31、32、33.

Decorative layer 13 can be in the form of solid wood sheet material, and it generally has about 2mm-5mm, the thickness of most common about 3mm Degree.Timber board can be made up of single or a small amount of wood blocks, or is made up of multiple thin slices to form block pattern from the teeth outwards.Logical Often, the major part in these thin slices or at least some of be that longitudinal direction l that is elongated and being substantially parallel to floor panel prolongs Stretch.Selectively, some in thin slice longitudinal direction l perpendicular to floor panel extend, will be such as have so-called for providing The floor panel of dutch floor pattern situation.

Selectively, decorative layer can be formed by the back-up coat that multiple layers are for example combined with thin surface layer, described thin Surface layer is laminated or is glued to back-up coat.Surface layer can be by for example thin (0.5mm-2mm) panelling or laminate (laminate) can be laminated or be incorporated into artificial pattern (such as print) layer of wearing layer and formed, described wearing layer is permissible Comprise the polymeric material with implant and additive for providing crust.Back-up coat can be by plywood, mdf, hdf Or other sheet materials are formed.

The decorative layer 13 of timber or panelling can be natural, that is, uncoated, or with such as paint, wax, oil, varnish Or the surface polishing thing of any other type is such as coated/is processed based on the floor finiss thing of acrylic acid or carbamate.

Balance layer 12 can be formed by the sheet material (0.5mm-2mm) of timber or plywood.Selectively, balance layer can be by Polymeric film, woven or non-woven sheet material, the material (such as paper) based on paper pulp or other timber-polymer composites Formed.

Floor panel is usually formed and will be joined together a set of substantially the same floor panel to provide floor A part.

With reference to Fig. 7 a-7d, first alternative approach that form blank will now be described.First structure layer such as balance layer is provided 12 (or decorative layer 13) (Fig. 7 a).Substantial amounts of wood blocks 10 are provided and are disposed on first structure layer.Optionally, timber Block 10 can be attached to (temporarily or permanently) structure sheaf.Wood blocks 10 are in a spaced manner along the principal direction l cloth of blank Put.

The fluoropolymer resin 9 being suitable for expanding is disposed in (Fig. 7 b) in the space between wood blocks.Fluoropolymer resin can For example to comprise one or more of extenders.

Second structure sheaf such as decorative layer 13 (or balance layer 12) is arranged to a wood blocks 10 and is clipped in first structure layer With second between structure sheaf (Fig. 7 c).Second structure sheaf can be attached to wood blocks (temporarily or permanently).

Then, the extender being present in fluoropolymer resin 9 be activated to expand into generally fill up wood blocks 10 it Between space.When fluoropolymer resin solidification, hardening or cooling, it will thus provide the polymeric material block 11 of expansion.

The activation of extender can be realized by providing heat, microwave, ultrasonic, vacuum, uv light etc..

The activation of extender can also cause glue or the work for structure sheaf is attached to other attachment arrangements of wood blocks Change.

In the variant of the method, before introducing resin 9, wood blocks 10 can be sandwiched between structure sheaf 12,13.? In the case of being somebody's turn to do, resin can be subsequently injected in the space being formed between wood blocks and structure sheaf.In this case, resin Can but not necessarily introduce when for example activate immediately when with ambient atmosphere.

Can also by non-expansibility and the fluoropolymer resin that may fill be injected at wood blocks (or other materials block) Between formed space in.

In addition to providing swellable polymers material block 11, resin 9 also provides swellable polymers material block and timber The block of both blocks and the attachment of structure sheaf.For example, wood blocks can be designed or be arranged so as to allow the resin of q.s to enter Enter between wood blocks and structure sheaf, thus providing bonding.

With reference to Fig. 8 a-8b, description is produced another kind of alternative approach of blank.

Swellable polymers material block 11 setting has more than thickness tp (Fig. 8 a) of the thickness tw of wood blocks 10.Block can be made It is provided for preshaped block or be provided by activating extender before applying the second structure sheaf.

It is then possible to apply the second structure sheaf 13, now swellable polymers material block 11 is compressed (Fig. 8 b).Compression can To be provided in the compaction step describing with regard to Fig. 6 a-6c.

With reference to Fig. 9 a-9c, the method that description is produced core (not having structure sheaf).

In the first embodiment (Fig. 9 a), core can be produced by following: by for example bonding (surface is to surface) To connect alternate wood blocks 10 with swellable polymers material block 11 to form the continuous core not having any structure sheaf.

If swellable polymers material block 11 is relative flexibility, core can be bent and may even be wound Rolling.

In the second embodiment (Fig. 9 b), core can be equipped with net 20, and block 10,11 will be with similar to regard to first The mode of structure sheaf 12 disclosure is attached to described net 20, is attached to the major surfaces of core.

Net 20 can be polymeric film, non-woven net, woven net, the net Ji Yu paper pulp (paper or paper-like) Shape thing, rubber membrane etc..Therefore, net can be sufficiently flexible to allow net to bend and be wound into volume.Netted Thing can have in about 0.1mm-3mm and the thickness preferably about in the scope of 0.1mm-1mm.

In the 3rd embodiment (Fig. 9 c), the second net 21 can be arranged at the second face sc1 of core.Second is netted Thing can be identical with the first net, or it can be different types of material.

A kind of net of material can be formed, this material for example will act as in activation to be had with core and/or structure sheaf Binding agent, binding agent or the glue closing.Can also apply a layer to activation when will act as relevant with core and/or structure sheaf The material of binding agent, binding agent or glue, or impregnate net with such as this material.If such material is gluing or pressure is lived Change, protecting film can also be provided to one or two exposure of net 20,21.Therefore, when the core being equipped with net Will be with when for example structure sheaf engage, such protecting film can be removed.

It is noted that the method with regard to the formation panel of Fig. 6 a-6c, 7a-7d and 8a-8b description can be applied to Form core as described in regard to Fig. 9 a-9c, condition is that control by such as protecting film may outwards adhesivity or viscosity be simultaneously And condition is correctly to apply pressure.

It is, therefore, possible to provide the core being winding on volume, schematically show as in Figure 10.Then, core is permissible From volume unwinding and any kind of structure sheaf can be in turn laminated to core to produce substantially continuous blank under pressure f p, than Decorative layer or backing layer as timber or laminate.

It is noted that if it is desired to be directly produced panel blank rather than by by blank be divided into some less parts Lai Formed, then can also be applied to panel blank with regard to producing the described above of blank.

The combination of wood blocks and swellable polymers material block will be understood as one that the enforcement of the embodiment of present disclosure Example.More generally, wood blocks can be counted as the first material block and swellable polymers material block can be counted as the second material Material block.

Therefore, the first material block can be provided by the such as polymers/plastics material of the other material in addition to timber. Block can be formed by the composite comprising binding agent, composite such as polymeric matrix, one or more of implant and/ Or one or more of reinforcing fiber.

The example of implant includes one of following or more kinds of: wooden shavings, wood particle, timber bits (sawdust, wood Powder) or lumber fibre;Mineral-filled thing (calcium, dolomite etc.);(for example, the polymer of recycling is big for polymer fill Block or granule, rubber or rubber-like material).

The example of reinforcing fiber includes one of following or more kinds of: glass fibre, carbon fiber, Plant fiber are (for example Hemp, grass fiber, bamboo fibre or the wood fiber or wood rope) or polymer fiber.

Therefore, the first material block can be formed by so-called " Engineered Wood Product Manufacturing " or " reconstituted wood ", and this is therefore from such as wo It is appreciated that in 2009/140136a2 and wo2010/082137a1, entire contents are therefore incorporated herein by.

The example of polymeric matrix includes one of following or more kinds of: thermoplastic (polyethylene, polypropylene etc.), Epoxy resin, polyurethanes, thermosets (phenol, tripolycyanamide, carbamide or a combination thereof) acrylic acid and polyester.

Second material block can be different from the first material block with respect at least one in following: (that is, it can for material type To be formed by diverse material), material form that (that is, it can be by identical with the first material block but have different proportion Material is formed), density of material (that is, it can form (such as expand) is the density having different from the first material block), material Hardness (that is, it can be processed to obtain higher or lower hardness) and elasticity modulus of materials.Generally, the first material block Can have along perpendicular to or otherwise transverse to the springform that the direction i of principal direction l of core is higher than the second material block Amount is so that block is therefore harder.This can extend to come in fact by principal direction l being for example arranged to be essentially perpendicular to core by long fibre Existing.

Second material block can have the density generally lower than the first material block, such as because inflated.

In alternative, the second material block can have the density generally higher than the first material block, such as because bag Containing relatively heavy implant.This can be desirable to reduce noise.

First material block can be selected to provide necessary bending strength and bond strength, and the second material block can be by It is chosen to provide other property, such as weight reduces, cost reduces and/or noise decrease.

Second material block mentioned above can be formed by any material, described any material can be less cost, There is less dense and/or the lower tensile strength on the direction of the principal direction of the lumber fibre parallel to wood blocks.

Therefore, the second material block can include Engineered Wood Product Manufacturing product.

The first embodiment of such material is so-called ldf (low density fiberboard) or vldf (extra-low density fibre board), It can be the plate being formed by molding or compression molded wooden shavings, wood particle and/or wood flour.Can be moist or moistening Mould such material during condition, do not have within this material or considerably less other binding agent needs to be added.

For example, there is 160kg/m3-500kg/m3The ldf plate of density can be used.

In alternative, there is 200kg/m3-300kg/m3The vldf plate of density can be used.Ldf plate and vldf Plate is from rowell r. et al.:“dimensionally stabilized very low density fiberboard”, wood Material and fibre science (1995), 27 (4), it is appreciated that in the 428-436 page, entire contents are therefore incorporated herein by.

In another alternative, there is 50kg/m3-200kg/m3Density uldf (extremely-low density fiber) plate permissible Used.Such fibre board passes through xie y.'s et al.: "manufacture and properties of ultra-low Density foamed fibreboard from wood fibre ",Living resources 6 (4), 4055-4066 (2011) quilt Solution, entire contents are therefore incorporated herein by.

Therefore, in the case of generally without binding agent (moist/moistening compression molded), in the case of the binder And/or it is provided that having low, extremely low or extremely-low density fibre board in the case of other additive.

Can also be replaced with non-expansibility composite polymer material block or supplement swellable polymers material block or the Two material blocks, described non-expansibility composite polymer material block includes polymeric matrix and implant, such as wooden shavings, Wood particle, timber bits (sawdust, wood powder) or lumber fibre, mineral-filled thing (calcium, dolomite etc.), polymer fill (example As the polymer of recycling, rubber or rubber-like material).

Lumber fibre (such as ldf, vldf, uldf) or be filled with polymeric material the second material block expose portion also Surface treatment can be provided to improve such as intensity, friction (minimizing) or abrasive nature.Such process can include applying Infiltration or the material of coating formation, such as paint and/or thermosetting polymer.

At least one in material block type can be sufficiently flexible to allow chip bending to provide a pair of identical class Between the major surfaces normal of neighbouring material block (but there is at least one other material block in centre) of type more than 5 °, excellent Selection of land is more than 10 °, more than 15 °, the angle more than 20 ° or more than 25 °.

Can also be caused by the directly longitudinal space between juxtaposed first material block and the second material block and be bent to Or bending may be beneficial to.This space can be in 0.1mm-5mm, preferably 0.5mm-3mm, most preferably in the magnitude of 1mm-3mm.

Additionally, in the case of correlation, net 20,21 can be sufficiently flexible such curved described above to allow Bent.

It should be understood that core can comprise the material block of two or more types, described two or more types of Material block can be alternately arranged in principal direction l of core and make its principal direction i be essentially perpendicular to principal direction l of core.

Although it will also be appreciated that above-described blank, panel blank and floor panel are as three-decker (decorative layer, sandwich layer and balance layer) is disclosed, and it is also possible to be used for the panel of two-layer using the core of present disclosure, that is, wraps Panel containing decorative layer and sandwich layer.Such panel can be mounted and be glued to subfloor.It can pliable and tough to make inhale Receive or meet the degree of the height change of subfloor.

In certain embodiments, following core type can be mentioned:

● wood blocks (the first material) and filling or non-filling swellable polymers material block (the second material) group Close;

● the combination of wood blocks (the first material) and low density fiberboard (uldf, vldf, ldf) block (the second material);With And

● the combination of the non-expansibility polymeric material block (the second material) of wood blocks (the first material) and filling;

Such core can be used for the floor panel with any kind of decorative layer disclosed herein and balance layer.

Claims (24)

1. a kind of floor panel, comprises:
Decorative layer (13), and
Sandwich layer (10,11), when described floor panel horizontal orientation, described sandwich layer (10,11) is arranged in described decorative layer (13) Below,
Balance layer, wherein said sandwich layer is sandwiched between described balance layer and described decorative layer,
Wherein said sandwich layer comprises multiple wood blocks (10), and described wood blocks (10) are arranged such that its respective principal fiberss side To parallel to the plane (so) being defined by the major surfaces of described floor panel and the principal direction perpendicular to described floor panel (l),
Wherein said sandwich layer (10,11) comprises multiple second material blocks being made up of the material different from described wood blocks (10) (11), and
Wherein along the described principal direction (l) of described floor panel, described sandwich layer presents by described wood blocks (10) and described The alternating segments that two material blocks (11) are formed,
Wherein said second material block has the density lower than described wood blocks and/or in the side parallel to described primary fibre direction The tensile strength lower than described wood blocks upwards,
Wherein said wood blocks (10) include a kind of wood blocks of lumber quality, described lumber quality:
Less than or equal to according to Sweden of nineteen sixty "The v of boken " (" Green Book ") standard;
Less than or equal to according to Sweden of 1994 "The b of boken " (" blue book ") standard;And/or
The g4-2/g2-2 of the European en 1611-1 standard less than or equal to 2000.
2. floor panel as claimed in claim 1, wherein said lumber quality:
Less than or equal to according to Sweden of nineteen sixty "The vi of boken " (" Green Book ") standard;
Less than or equal to according to Sweden of 1994 "The c of boken " (" blue book ") standard;And/or
The g4-3/g2-3 of the European en 1611-1 standard less than or equal to 2000.
3. floor panel as claimed in claim 1, wherein said lumber quality:
Less than or equal to according to Sweden of nineteen sixty "The vii of boken " (" Green Book ") standard;
Less than or equal to according to Sweden of 1994 "The d of boken " (" blue book ") standard;And/or
The g4-4/g2-4 of the European en 1611-1 standard less than or equal to 2000.
4. the floor panel as any one of claim 1-3, wherein along the described principal direction of described floor panel L (), the total length of described second material block (11) is less than the total length of described wood blocks (10).
5. the floor panel as any one of claim 1-3, wherein along the described principal direction of described floor panel L (), the total length of described second material block (11) is more than the 5% of the total length of described floor panel.
6. the floor panel as any one of claim 1-3, wherein along the described principal direction of described floor panel L (), the total length of described second material block (11) is more than the 10% of the total length of described floor panel.
7. the floor panel as any one of claim 1-3, wherein along the described principal direction of described floor panel L (), the total length of described second material block (11) is more than the 20% of the total length of described floor panel.
8. the floor panel as any one of claim 1-3, wherein along the described principal direction of described floor panel L (), the total length of described second material block (11) is more than the 30% of the total length of described floor panel.
9. the floor panel as any one of claim 1-3, wherein along the described principal direction of described floor panel L (), the total length of described second material block (11) is more than the 40% of the total length of described floor panel.
10. the floor panel as any one of claim 1-3, wherein said second material block comprises swellable polymers Material block.
11. floor panels as claimed in claim 10, wherein said second material block comprises expanded vinyl, dilatancy is gathered At least one in propylene and expanded polystyrene, extruded polystyrene foam.
12. floor panels as any one of claim 1-3, wherein said second material block includes Engineered Wood Product Manufacturing and produces Product.
13. floor panels as any one of claim 1-3, wherein said second material block comprises non-expansibility polymerization Thing material, described non-expansibility polymeric material includes filler material.
14. floor panels as any one of claim 1-3, wherein said sandwich layer also comprises to reinforce insert part.
15. floor panels as any one of claim 1-3, wherein said second material block (11) is in described second material The edge part office that material block is exposed is provided with face coat.
16. floor panels as any one of claim 1-3, wherein said second material block (11) is in described second material The edge part office that material block is exposed assumes the part increasing density.
17. floor panels as any one of claim 1-3, wherein said decorative layer (13) comprises timber.
A kind of 18. methods manufacturing floor panel, comprising:
Multiple elongated wood blocks (10) are arranged side by side in coplanar mode so that its respective longitudinal direction (i) each other Parallel to form sandwich layer,
There is provided at least decorative layer (13) for described sandwich layer to form panel blank,
There is provided balance layer for described sandwich layer so that described sandwich layer is sandwiched between described balance layer and described decorative layer,
Cut described panel blank to form elongated floor panel blank so that the longitudinal direction (i) of described wood blocks is vertical In the principal direction (l) of described floor panel blank,
There is provided multiple second material blocks (11), described second material block (11) and described wood blocks (10) are along described floor panel The described principal direction (l) of blank is alternately arranged,
Described second material block has the density lower than described wood blocks and/or compares institute on the direction parallel to primary fibre direction State the low tensile strength of wood blocks (10),
Described wood blocks (10) include a kind of wood blocks of lumber quality, described lumber quality:
Less than or equal to according to Sweden of nineteen sixty "The v of boken " (" Green Book ") standard;
Less than or equal to according to Sweden of 1994 "The b of boken " (" blue book ") standard;And/or
The g4-2/g2-2 of the European en 1611-1 standard less than or equal to 2000.
19. methods as claimed in claim 18, wherein said lumber quality:
Less than or equal to according to Sweden of nineteen sixty "The vi of boken " (" Green Book ") standard;
Less than or equal to according to Sweden of 1994 "The c of boken " (" blue book ") standard;And/or
The g4-3/g2-3 of the European en 1611-1 standard less than or equal to 2000.
20. methods as claimed in claim 18, wherein said lumber quality:
Less than or equal to according to Sweden of nineteen sixty "The vii of boken " (" Green Book ") standard;
Less than or equal to according to Sweden of 1994 "The d of boken " (" blue book ") standard;And/or
The g4-4/g2-4 of the European en 1611-1 standard less than or equal to 2000.
21. methods as claimed in claim 18, also include the described principal direction (l) along described floor panel blank and form lock Tight device (30,31).
22. methods as claimed in claim 21, also include forming machinery even along an edge of described floor panel blank Connection device and offer surface treatment at least a portion of described mechanical connecting device.
23. methods as claimed in claim 22, wherein said surface treatment includes applying a layer to described second material block Expose portion.
24. methods as described in claim 22 or 23, wherein said surface treatment includes the second material block described in thermosetting Expose portion.
CN201280073097.8A 2012-05-08 2012-05-08 Core, panel blank, floor panel and methods of their production CN104302854B (en)

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CN100529300C (en) * 2003-03-31 2009-08-19 大日本印刷株式会社 Laminated wood for floor member
PT1936068E (en) 2004-10-22 2012-03-06 Vaelinge Innovation Ab A method of providing floor panels with a mechanical locking system
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WO2009140136A2 (en) 2008-05-13 2009-11-19 Jianping Song Method of forming a reconstituted wood block
US20100119857A1 (en) 2008-09-19 2010-05-13 Style Limited Manufactured wood product and methods for producing the same

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RU2014149191A (en) 2016-06-27
HK1202910A1 (en) 2015-10-09
WO2013167171A1 (en) 2013-11-14
EP2872711A1 (en) 2015-05-20
RU2618247C2 (en) 2017-05-03
JP6026647B2 (en) 2016-11-16
JP2015519493A (en) 2015-07-09
US20150064390A1 (en) 2015-03-05

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