WO2014068039A1 - Panneau composite en bois - Google Patents

Panneau composite en bois Download PDF

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Publication number
WO2014068039A1
WO2014068039A1 PCT/EP2013/072778 EP2013072778W WO2014068039A1 WO 2014068039 A1 WO2014068039 A1 WO 2014068039A1 EP 2013072778 W EP2013072778 W EP 2013072778W WO 2014068039 A1 WO2014068039 A1 WO 2014068039A1
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WO
WIPO (PCT)
Prior art keywords
plate
wood
grooves
center
drying
Prior art date
Application number
PCT/EP2013/072778
Other languages
German (de)
English (en)
Inventor
Hans-Peter Leitinger
Sebastian Leitinger
Original Assignee
Hans-Peter Leitinger
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hans-Peter Leitinger filed Critical Hans-Peter Leitinger
Priority to EP13788929.1A priority Critical patent/EP2914786A1/fr
Publication of WO2014068039A1 publication Critical patent/WO2014068039A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—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 wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—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 wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
    • G01R31/3832—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration without measurement of battery voltage
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to a multilayer wood composite panel with the features of
  • wood composite panels have long been known from the prior art.
  • composite panels made of cross-laminated timber, or BSP for short are used as the wood material.
  • BSP plates usually consist of at least three, usually perpendicularly bonded together layers of board or lumber, the individual boards along their narrow sides are arranged without or with scheduled lateral distance from each other.
  • Cross laminated timber is currently exclusively made
  • Cross laminated timber is occasionally also sold under the name Cross Laminated Timber, CLT for short.
  • Cross laminated timber elements are very dimensionally stable and loads can be transmitted both longitudinally and transversely to the main direction of support.
  • BSP panels offer the advantage that, due to the crosswise construction of the multiple layers with intermediate barrier layers arranged at an angular offset, the wood composite swells or shrinks less than is the case with solid wood structural components of comparable wall thickness. This is particularly advantageous in wooden components with a large wall thickness, for example, when wooden beams are arranged in block house parallel construction side by side.
  • a large wall thickness for example, when wooden beams are arranged in block house parallel construction side by side.
  • Solid wood parts are BSP plates with CNC milling machined dimensionally stable, which represents an additional advantage of such composite panels.
  • Structural timber construction for example, wall or ceiling panels made of BSP panels with machining steps corresponding prefabricated and installed at construction sites in place without deviations.
  • a disadvantage of these embodiments is at least that the grooves are arranged only in the already pre-dried state of the boards and that it comes in moisture fluctuations to arching or bowls of glued to wood panels boards.
  • document EP 0 921 249 A2 mentions that predetermined crack sites between the juxtaposed boards of a wood ply are also deliberately achieved in that the abutting surfaces of the glue joints between the boards are glued together only in sections.
  • the glue joints even at voltages or
  • a multilayer composite wood panel according to the invention which comprises two cover plates, the cover plates are each provided with movement grooves on their inner surfaces, which are located inside the composite, and the cover plates are made of side boards
  • each side longitudinal connection profiles are arranged prepared.
  • Wood composite boards according to the invention can thus be dried particularly economically to a low target moisture content, for example of around 10% moisture. Humidity fluctuations between an average humidity of about 13% during the summer months and of about 7% humidity in the winter can thus without deformations or without cracking the
  • each side longitudinal connection profiles are arranged. Due to the longitudinal connection profiles on the longitudinal narrow sides of the side boards, the
  • juxtaposed side boards are glued together particularly precisely and dimensionally stable in each case to cover plates.
  • Moisture fluctuations alone is reduced by arranging the longitudinal connection profiles on the glued together longitudinal narrow sides of the side boards.
  • a further advantage of the wood composite board according to the invention since in comparison to a conventional BSP plate in the same total thickness without grooves, an increased drying rate can be achieved. Due to the grooves and the inside composite inner surfaces of the cover plates are increased and thereby created air cushion within the wood composite panel, whereby the thermal insulation improves or the thermal conductivity of the wood composite panel is reduced.
  • paints or impregnants due to the enlarged by the movement of the inner surfaces can be made more efficient and deeper into the cover plates and thus the wood composite panels are particularly high quality preserved or coated.
  • cover plates which are external in the composite and the inner surfaces can be made, for example, sawn or smoothed by means of machining processes.
  • cover plates can be made of different qualities of wood in different wall thicknesses.
  • cover plates can be produced from flat wood glued to one another, the so-called side product.
  • Individual cover plates are made, for example, in any width from each other bonded to each other on the narrow side Brettholzware, the plate length of individual cover plate sections may for example be several meters in length. The individual cover plate sections become in their manufacture together along their total width for example, connected to a general wedge connection to a cover plate of any length. Accordingly prepared cover plates can therefore a
  • the design of the movement grooves can also be made variable according to different aspects. By setting narrow, farther apart
  • Wood composite panel further improved.
  • the movement grooves are particularly advantageously arranged in each case parallel to one another at least on a section of the inner surface, preferably in each case over the entire inner surface.
  • the cover plates are glued to each other with a crosswise offset motion grooves to form a wood composite.
  • the arrangement of the two cover plates with crosswise staggered movement grooves arranged a wood composite panel is obtained, which is particularly reduced stress and lead in the humidity or temperature fluctuations to no or only a slight swelling or buckling of the wood composite panel.
  • the cover plates also provided on their outer surfaces in the composite outer surfaces each with movement grooves.
  • the movement grooves are arranged, for example, as double grooves both on the inner surfaces and on the outer surfaces of the cover plates.
  • stresses are reduced particularly advantageous both on the inner surfaces, as well as on the outer surfaces of the cover plates.
  • the movement grooves have a movement groove width of less than 2 mm, preferably between 1 mm and 1.9 mm, particularly preferably between 1.4 mm and 1.8 mm.
  • a movement groove spacing between adjacent movement grooves is less than or equal to 12 mm, preferably less than or equal to 10 mm.
  • Wood composite plate movement grooves aposisnutianae of less than 50%, preferably less than 40% of a wall thickness of a cover plate. In this version it is ensured that the remaining wall thickness of at least 50% of the
  • the movement grooves are incorporated in cover plates having a target moisture content of not more than 15% moisture, preferably from 7% to 13% moisture.
  • At least one center-layer plate is arranged between the cover plates in a multilayer composite wood panel.
  • a middle layer plates a wide variety of wood qualities can be used.
  • middle layer plates can be made from side or middle boards with about the same board thickness as the
  • middle layer plates can be made of glued-together square timber planks, crosswood planks or center beams.
  • a plurality of middle layer plates of the same or different plate thickness and / or the same or different wood qualities can be used adjacent to one another and together with the outer cover plates form a wood composite plate according to the invention.
  • Center plate provided on both its outer surfaces each with drying grooves.
  • Drying rate increased. Furthermore, by means of the drying grooves enlarged surface of the middle layer plates within the drying grooves
  • enclosed air cushion further increased and thus further improves the thermal insulation properties of the wood composite panel according to the invention.
  • an odd number of center ply plates are provided in a wood composite plate, wherein adjacent center ply plates are glued to each other with each other crosswise offset drying grooves.
  • Wood composite plate adjacent middle layer plates each glued to each other crosswise offset wood fiber directions.
  • Wood fiber directions of each center plate is the strength of the
  • Wood composite panels according to this embodiment have a particularly high dimensional stability and can transfer loads particularly homogeneous in all directions.
  • the at least one center panel made of long wood parts, for example, side boards, center boards, center planks, square timber planks, crosswood planks and / or center planks formed.
  • each log portion has at least one drying groove on its opposite outer surfaces.
  • the at least one drying groove is in each case designed as a double-sided double groove on the opposite outer surfaces of each longwood part.
  • square timber planks are arranged in each case by opposite juxtaposition to a central ply plate, wherein in each case alternately a trimmed sharp edge of a first timber screed comes to rest next to a forest edge of an adjacent second timber screed.
  • wood composite panels can be produced particularly cost-effective also with great overall strength, which are suitable for use in structural timber construction with high load transfer.
  • this particularly economical embodiment of the invention can advantageously only partially trimmed round wood with at least partially still existing forest edge, so be recycled together with the still unprocessed edge of the tree. It is also conceivable, even inferior trunk wood with incipient
  • the drying grooves on the at least one center panel each have a drying groove width of at least 2 mm, preferably of at least 3 mm.
  • the drying grooves on the at least one center panel each have one
  • Drying groove depth which is at least a quarter, preferably at least one-third, of a wall thickness of the center platen. Drying grooves with groove depths of this order of magnitude offer the advantage that even for middle-layer plates with a large
  • Wall thickness which are made for example of center planks or square timber planks, a sufficient elasticity increase or stress reduction and significantly improved drying properties can be achieved.
  • a moisture content of the long wood parts of the center panel when arranging the drying grooves amounts to at least 30% moisture.
  • the drying grooves are arranged on the lumber pieces in sheägena built state, whereby their drying behavior significantly improved and the drying rate is greatly increased.
  • moist long wood parts can thus be dried quickly to a required target moisture of, for example, 10% or 13% and thus are cost and quickly available for further processing to a wood composite board according to the invention.
  • a method for producing a cover plate in a multilayer composite wood panel can be specified by a sequence of the following production steps:
  • Milling device on at least a portion of a side surface of the dried cover plate.
  • Drying groove usually not required. Depending on the course of the drying groove after drying the side board, it may be necessary that the drying groove must be reworked again in order to be particularly straight, at best somewhat widened
  • the split side boards by turning, ie by rotation about its longitudinal axis by about 180 ° and by hitting, ie by folding or falling of one of the two side boards transverse to the longitudinal direction of the side board and by subsequent lateral juxtaposition of the two joining partners such halved to two
  • the movement grooves are only attached to the finished in their dimensions, dried cover plate.
  • Movement grooves are preferably arranged on the inner surfaces lying in the composite preferably crosswise offset from each other and
  • two provided withsecuritysnuten dried cover plates are used according to the method described above for producing a cover plate in a multilayer composite wood panel, for example, by applying an adhesive layer at their two provided with moving grooves insides, then stacking and final compression to a first
  • Wood composite panel are made.
  • center plies For the production of center plies different long wood parts, such as side boards, center boards, center planks, square timber planks, crosswood planks and / or center planks can also be used in low quality.
  • the long wood parts are doing after the aforementioned production steps to one or more
  • Glued center plate which form the core of the multilayer composite wood panel.
  • a method for producing a multilayer composite wood panel can be specified by a sequence of the following production steps:
  • the adjacent center-plate plates are each offset crosswise relative to one another.
  • the joint directions or Lekssorgsprofilraumen between adjacent side boards, center boards or planks within a central plate plate are also crossed by the crosswise arrangement of the plurality of center plate plates, which is why locking layers of individual
  • a wood composite board produced in this way is characterized by particularly high dimensional stability and torsional rigidity and is particularly well suited for receiving or uniform discharge and distribution of high loads.
  • FIG. 1 in an isometric view obliquely from the front a first embodiment of a wood composite board according to the invention with two glued together
  • Fig. 2 and Fig. 3 respectively in isometric views obliquely from the front, a second and third embodiment of a fiction, contemporary wood composite board, each having a plurality of center plates;
  • FIGS. 5A to 5C respectively in sectional views in profile Details of individual cover plates
  • FIGS. 6A to 6C show sectional views of details of long wood parts for producing a middle layer plate
  • FIG. 9 shows an example of the exploitation of wood with incipient nuclear rot
  • FIG. 11 is an isometric sectional view from the front of a further embodiment of a wood composite panel according to the invention comprising two center panel panels which are made of halved and partially trimmed round wood and another center panel as a barrier layer;
  • FIG. 15 shows a schematic sketch of side board goods with trunk-parallel and halved with trapezoidal division and a shorter profile bevel of the second, wider half to increase the yield
  • 16 is a sectional view of a section of the cross section of a tree trunk for comparison of different efficient utilization solutions of a tree edge length with profile slope of axially parallel round wood division;
  • FIG. 17 shows, in a simplified sectional sketch, the utilization difference of in.
  • FIG. 18 shows in a simplified sectional sketch in cross-section a detail of FIG
  • Rundholzprofils a tree trunk in comparison of different Beklamungsprofile with the slopes of braid, middle and floor side of profiled sidewalls, the drying grooves in the middle of the board already on the square timber before separating the
  • Fig. 1 shows an isometric view obliquely from the front a first embodiment of a wood composite panel 1 according to the invention with two glued together
  • the two cover plates 2 each have continuous outer surfaces 3, which are executed here sawn, for example. At their inner surfaces 4 which are located in the composite, the two cover plates 2 each have a wall thickness 5 of mutually parallel movement grooves 6. Thedessnuten 6 are each distributed uniformly over the entire inner surfaces 4 here. Each movement groove 6 has addlingsnutbreite 7 and außsnutianae 8, wherein adjacent movement grooves 6 are spaced apart in a groove spacing 9. The two cover plates 2 are glued together with a commercially available adhesive 10.
  • Each cover plate 2 is here of several each with substantially the same
  • Cross connection profile 23 is here as across the width continuous
  • connection profiles 22 and cross connection profiles 23 each arranged crosswise to each other. In the profile are at the front cutting edge of the annual ring layers 41 of
  • the total thickness 24 essentially corresponds to the sum of the wall thicknesses 5 of the individual cover plates 2.
  • Fig. 2 and Fig. 3 show a second and third embodiment of a
  • FIG. 2 there are three center ply plates 12 between the two cover plates 2.
  • the three center ply plates 12 each have their outer surfaces 13 on both sides
  • Drying grooves 16 are made approximately in the same wall thickness 14 as the wall thickness 5 of the cover plates 2. Adjacent center layer plates 12 are glued together with mutually crosswise offset drying grooves 16. Due to the substantially rectangular angular offset between adjacent center plate plates 12 form individual layers of the center plate plates 12 locking layers 15, which of their
  • Wood fiber direction 40 or from the direction of the longitudinal connection profiles 22 and the division surfaces 29 between adjacent center boards 20 with respect to the cover plates 2 are arranged substantially at right angles.
  • Wood composite panels 11 are characterized by particularly high dimensional stability and
  • FIG. 3 three center plate plates 12 are shown, wherein the centrally arranged, central center plate plate 12 is made of glued together long wood parts 25.
  • the long wood parts 25 are glued together at their narrow sides along their longitudinal connection profile 29.
  • the two adjoining the middle center plate plate 12 outwardly adjacent center plate plates 12 which form barrier layers 15 with respect to the cover plates 2, as well as the central center plate 12 at their two outer surfaces 13 each have drying grooves 16.
  • the middle layer plates 12 have a wall thickness 14.
  • the drying grooves 16 on the center plate plates 12 have a drying groove width 17 and a drying groove depth 18 and are arranged at intervals 19 spaced from each other in parallel.
  • the center plate plates 12 are together and with the outer cover plates 2 glued together by means of intermediate adhesive layers 10 each surface.
  • the cover plates 2 used here are only on their
  • Inner surfaces 4 provided with movement grooves 6.
  • the overall thickness 24 of the wood composite panel 11 is thus substantially five times the wall thickness of the individual glued together cover plates 2 and center plates 12.
  • Fig. 3 are as middle center plate 12 long wood parts 25 with larger Wall thickness 14 glued together.
  • a middle center plate 12 are here
  • center planks 28 each with their straight dividing surfaces 29 with
  • Adhesive layers 10 glued together. On the outer sides 30 of the center planks 28 each drying grooves 16 are milled. The outwardly adjacent
  • Center plate 12 are each arranged as a blocking positions 15 relative to the central, central center plate plate 12 is rotated crosswise.
  • FIG. 4 shows, in a sectional view in profile, the arrangement of drying grooves 16 in a long wood part 25. Milling tools 34 with a different cutting profile here engage in the long wood part 25 to form drying grooves 16. On the left in the picture, a drying groove 16 with a substantially round groove bottom 33 is shown.
  • the distance 19 between the drying grooves 16 is here, for example, 20 mm and the drying groove width 17, for example, each 3 mm.
  • FIGS. 5A to 5C each show in detail views a single cover plate 2 as part of a wood composite panel according to the invention.
  • Individual side boards 20 are each provided with a longitudinal connection profile 22 along its narrow sides and to the
  • Movement grooves 6 are here in each case only on one surface, which comes to lie in conjunction with other cover plates 2 or center plate plates as the inner inner surface 4 of the cover plate 2, respectively.
  • the movement grooves 6 in FIG. 5A have a larger groove depth 8 and a smaller groove width 7 than is the case with the movement grooves 6 illustrated in FIGS. 5B and 5C.
  • the groove width 7 of the movement grooves 6 corresponds approximately to their groove depths 8.
  • the movement grooves 6 shown in FIG. 5A serve primarily to make the cover plate 2 free of cracks or stress-free.
  • the in Fig. 5B and 5C shown movement grooves 6 further offer the advantage that the heat-insulating effect of such cover plates 2 is improved by the trapped in the grooves 6 air cushion.
  • FIGS. 6A to 6C respectively relate to details of a log portion 25, for example a section of a center beam 28.
  • FIGS. 6A to 6C respectively relate to details of a log portion 25, for example a section of a center beam 28.
  • Drying groove 16 arranged as opposed double groove on the center plank 28 with a straight core layer.
  • the center plank 28 has a wall thickness 14.
  • the center groove 28 has a uniform course of the annual ring ply 41 and a central core ply, for which reason a respective drying groove 16, which is substantially is arranged centrally each side of the long wood part 25, sufficient.
  • FIG. 6B three mutually spaced drying grooves 16 with a groove depth 18 are provided on each outer side of the center pile 28, each as a double groove. As indicated by dashed lines in the profile of the annual ring layer 41, this is, for example, a core deviation in a center pile 28 with a restless core layer.
  • Drying grooves 16 provided on each outer side of the center pile 28.
  • a center pile 28 is provided with numerous drying grooves 16 arranged parallel to each other.
  • the drying grooves 16 are arranged in each case at a distance 19 adjacent to each other on both outer surfaces 13 of the center pile 28, which steps so prepared faster by the drying can be performed and processed in the center layer plates.
  • FIG. 7 a further variant of a wood composite panel 11 according to the invention with three inner center panel plates 12, which are each bounded to the outside of two cover plates 2, shown.
  • the centrally arranged central center plate 12 is made of bonded together with adhesive 10 sections of center planks 28 of parallel coat incision.
  • the two adjacent, outwardly adjacent center plate plates 12 are arranged opposite the central center plate plate 12 at an angle offset and thus form barrier layers 15 with respect to the outer cover plates second
  • Fig. 8 relates to a wood composite panel 11 with a centrally disposed center plate 12 from opposite pairs arranged one above the other, each wedge-shaped Long wood parts 25, which are juxtaposed and glued together at their longitudinal profiles 29.
  • Fig. 9 illustrates a first variant of a wood composite panel 11 according to the invention with a center plate 12, which is made of halved and partially trimmed round wood in natural state.
  • halved square timber planks 26 are each provided on their opposite outer surfaces with drying grooves 16 and glued together after drying to a central platen 12 with large wall thickness 10.
  • the center platen 12 can be used here also advantageously wood with beginning in the core area color and hard brown core damage as can be clearly seen in FIG. 9 by the darker grain in the core area of the square timber planks 26.
  • each sections with a trimmed sharp edge 31 are arranged alternately with sections with an untreated, even with residual forest edge 25 in natural state.
  • the cover plates 2 are arranged offset as cross-layers 15 to the longitudinal profiles 29 in sawing direction of the square timber 26.
  • the cover plates 2 have movement grooves 6 on their inside in the wood composite inner surfaces 4 and on their outer surfaces 3.
  • Fig. 10 shows a further development of the variant shown in Fig. 9, in which now three central ply plates 12 form the core of the wood composite panel 11 and additionally each thinner cover plates 2 form the visible outer surfaces 3 of the wood composite panel 11.
  • the centrally arranged middle central platen 12 is similar to FIG. 9 also made of square timber planks 26, so made of halved and partially trimmed round wood in natural position with or without incipient core damage.
  • Fig. 11 shows a further embodiment of a fiction, contemporary
  • Wood composite panel 11 in which a total of five layers each in screed dimension
  • a centrally arranged, central center-plate plate 12 and two outer cover plates 2 thereby delimit two intermediate plate plates 12 arranged in between and standing in a staggered manner in half
  • Square timber planks 26 are each provided with drying grooves 16, which are arranged in double-groove design respectively on both outer sides 30 of the long wood parts 25 and thus for a rapid drying of target moisture and low
  • Fig. 12 illustrates a fiction, contemporary wood composite panel 11 with a center-plate 12 of cross-wood planks 27. Die Kreuzholzbohlen 27 with approximately square cross-section each have drying grooves 16.
  • the cover plates 2 are provided with movement grooves 6 on the inner surfaces 4 in order to ensure crack-free cover or visible surfaces of the outer surfaces 3 of the wood composite panel 11.
  • FIG. 13 shows in a sectional view in profile a detail of a further embodiment of a wood composite panel 11 according to the invention.
  • Three center panel panels 12 each one
  • the middle layer plates 12 are each made of cross-laminated wood planks 27 each having a substantially square cross-section.
  • Fig. 14 shows in a sectional view in profile a composite wood panel 11 according to the invention with two thinner cover plates 2 and three center plate plates 12 respectively
  • Crosswood planks 27 The adjacent layers of the center plate plates 12 are each arranged to each other with an angular offset, which is why the two outer
  • Center plate 12 relative to the central, central center plate 12 each form barrier layers 15.
  • a particularly strong wall element 11 is obtained with two outer cover plates 2 with a total thickness of the wood composite panel 11, for example, from 30 to 60 cm thickness.
  • Fig. 15 shows in a simplified sketch Sobrettware 20 with parallel or
  • lateral boards or center boards 20 can also be processed from a cantilevered recess with a parallel division - as shown in FIG. 15 above - or with a trapezoidal profiled division - as shown in FIG. 15 below - to cover plates 2 or center-plate plates 12.
  • the middle boards 17 are, for example, halved, for example, in length, according to their different longitudinal connection sprofil 22 placed together and glued together.
  • FIG. 16 comparatively shows in a simplified sectional sketch in cross section
  • FIG. 17 shows in a sectional sketch the difference between a side board 20, which is profiled in a continuous board length, which is shown in section, and a trapezoidal profiled side board 20 'with a smaller wood waste, which is shown by dashed lines, and also punctures a shorter profile slope 22 with a higher yield the second half of the board.
  • Fig. 18 illustrates in a simplified sectional diagram in cross section a
  • the drying grooves 16 are optionally already made on Spanenkantholz before separating the side boards 20, possibly also with a deviating to the square wood axis position of the drying groove 16, which results from the optical measurement and is set in the future board center or board axis.
  • 11 wood composite plate comprising at least one center plate

Abstract

L'invention concerne un panneau composite multicouche en bois (1, 11) pourvu de deux panneaux de recouvrement (2), les panneaux de recouvrement (2) étant pourvus sur leurs surfaces intérieures (4), situées à l'intérieur une fois l'assemblage terminé, respectivement de rainures de déplacement (6). Les panneaux de recouvrement (2) sont fabriqués à partir de planches latérales (20), sur les petits côtés longitudinaux desquelles sont disposés respectivement des profilés latéraux d'assemblage longitudinal (22). L'invention concerne par ailleurs des panneaux composites multicouches en bois (11) comprenant au moins un panneau central (12), lequel est disposé entre les panneaux de recouvrement (2), ainsi que leurs variantes de fabrication.
PCT/EP2013/072778 2012-11-05 2013-10-31 Panneau composite en bois WO2014068039A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13788929.1A EP2914786A1 (fr) 2012-11-05 2013-10-31 Panneau composite en bois

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM50104/2012 2012-11-05
ATGM50104/2012U AT13575U1 (de) 2012-11-05 2012-11-05 Holzverbundplatte

Publications (1)

Publication Number Publication Date
WO2014068039A1 true WO2014068039A1 (fr) 2014-05-08

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Application Number Title Priority Date Filing Date
PCT/EP2013/072778 WO2014068039A1 (fr) 2012-11-05 2013-10-31 Panneau composite en bois

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US11084245B2 (en) * 2019-01-09 2021-08-10 Six Minutes LLC Cross-laminated timber having a conduit therein
CN113715437A (zh) * 2021-09-03 2021-11-30 中国林业科学研究院木材工业研究所 一种模数化结构用集成材及其制造方法
US20220243469A1 (en) * 2019-06-18 2022-08-04 Timberworks Industrial Group Pty Ltd Engineered Timber Panel For Structural Use And Method Of Formation Thereof
CN116373926A (zh) * 2023-06-02 2023-07-04 宝应县沈飞机电有限公司 一种高速列车驾驶室拼装式复合板及使用方法

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WO2019028737A1 (fr) * 2017-08-10 2019-02-14 李林 Bloc de plancher composite incrusté
AT524491A1 (de) * 2020-12-14 2022-06-15 Leitinger Hans Peter Bretterpaar, Holzverbundplatte und Verfahren zu deren Herstellung

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DE102010033151A1 (de) * 2010-08-03 2012-02-09 Junker Holding Gmbh Verfahren zum Herstellen von Gegenständen aus Holz und Bauelement hergestellt durch Verbinden von Teilstücken aus Holz

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DE19604433A1 (de) 1996-02-07 1997-08-14 Karl Moser Vakuumverleimte Schichtholzplatte
EP0921249A2 (fr) 1997-12-05 1999-06-09 Johannes Ing. Santner Elément de construction en bois
CZ15749U1 (cs) * 2005-05-03 2005-08-29 Karel Ing. Vrňata Samonosná konstrukce dřevěných desek a panelů
DE102010033151A1 (de) * 2010-08-03 2012-02-09 Junker Holding Gmbh Verfahren zum Herstellen von Gegenständen aus Holz und Bauelement hergestellt durch Verbinden von Teilstücken aus Holz

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11084245B2 (en) * 2019-01-09 2021-08-10 Six Minutes LLC Cross-laminated timber having a conduit therein
US20220243469A1 (en) * 2019-06-18 2022-08-04 Timberworks Industrial Group Pty Ltd Engineered Timber Panel For Structural Use And Method Of Formation Thereof
CN113715437A (zh) * 2021-09-03 2021-11-30 中国林业科学研究院木材工业研究所 一种模数化结构用集成材及其制造方法
CN116373926A (zh) * 2023-06-02 2023-07-04 宝应县沈飞机电有限公司 一种高速列车驾驶室拼装式复合板及使用方法
CN116373926B (zh) * 2023-06-02 2023-09-05 宝应县沈飞机电有限公司 一种高速列车驾驶室拼装式复合板及使用方法

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