EP0272342A1 - Table ou plan de travail et procédé de fabrication - Google Patents

Table ou plan de travail et procédé de fabrication Download PDF

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Publication number
EP0272342A1
EP0272342A1 EP86118009A EP86118009A EP0272342A1 EP 0272342 A1 EP0272342 A1 EP 0272342A1 EP 86118009 A EP86118009 A EP 86118009A EP 86118009 A EP86118009 A EP 86118009A EP 0272342 A1 EP0272342 A1 EP 0272342A1
Authority
EP
European Patent Office
Prior art keywords
blocks
plate
veneer layers
veneer
worktop
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP86118009A
Other languages
German (de)
English (en)
Other versions
EP0272342B1 (fr
Inventor
Günter Schwarz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fritz Becker KG Sperrholzfabrik
Original Assignee
Fritz Becker KG Sperrholzfabrik
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 Fritz Becker KG Sperrholzfabrik filed Critical Fritz Becker KG Sperrholzfabrik
Priority to AT86118009T priority Critical patent/ATE66176T1/de
Priority to EP86118009A priority patent/EP0272342B1/fr
Priority to DE8686118009T priority patent/DE3680920D1/de
Priority to DK633386A priority patent/DK633386A/da
Publication of EP0272342A1 publication Critical patent/EP0272342A1/fr
Application granted granted Critical
Publication of EP0272342B1 publication Critical patent/EP0272342B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets

Definitions

  • the invention relates to a table or worktop and to a method for their production.
  • table tops or worktops as a blockboard, a multilayer veneer panel being arranged between two outer cover layers, which can be made of wood or plastic. All layers run parallel to the plate level.
  • the appearance of such a table or worktop is determined exclusively by the top layer, which either has a predetermined pattern or whose pattern consists of a veneer grain.
  • Boards made of layers running parallel to the board plane, if they are made of wood, have the disadvantage that warping can occur due to the influence of heat and / or moisture.
  • Such plates are not dimensionally stable. Plates whose Surface consisting of the grain side of a veneer layer are susceptible to damage and scratches because the veneer side is relatively soft.
  • the brain side is the hardest side of wood, especially veneer.
  • the side of the brain is the side of the cut that is directed across the grain or across the main grain of the wood. If one were to assemble a panel of pieces of wood with the end faces of the surface forming the surface, as is sometimes the case with parquet floors, such a panel would be susceptible to cracks because wood whose end face forms the surface tears more easily than wood whose long side (in the direction of the grain) cut) forms the top.
  • the invention has for its object to provide a table or worktop made of wood, which has a pleasing, varied appearance, is stable, impact resistant and resistant to cracks.
  • This object is achieved in a table or worktop made of several veneer layers glued together, with adjacent veneer layers arranged with intersecting fiber directions, in that numerous blocks of several veneer layers are glued together on their long sides, the veneer layers running vertically and in the Board surface brain edges and longitudinal edges of the veneer layers are alternately arranged.
  • the veneer layers do not run as usual, parallel to the plate plane, but perpendicular to it.
  • the parallel veneer layers extend through the entire panel thickness, so that the same veneer layers appear visibly on the top and bottom of the panel. Since the fiber directions of adjacent veneer layers run at right angles to each other in each block, narrow stripe patterns result on the main panel surfaces, the width of each stripe corresponding to the veneer thickness.
  • the brain edges of the veneer layers are darker than the longitudinal edges, so that light and dark stripes alternate. Since the panel consists of alternating impact-resistant, end-grain end grain and soft but tear-resistant long wood edges of the veneer, it combines the properties of both edges, namely high resistance and low susceptibility to cracking.
  • Another advantage of the plate is its high shape consistency, even under unfavorable environmental conditions.
  • a table or worktop from a single multiplex plate, that is to say a plate from several layers of veneer, in that the blocks into which the multiplex plate is divided have the length of the table or worktop to be produced.
  • the blocks that follow the cut initially stand upright, just lay flat and glued together on their long sides.
  • the edges of the plate produced in this way can then be ground round, the striped pattern of the top also extending around the edges on the end faces of the plate.
  • the method according to the invention for the production of the table or worktop accordingly provides that numerous blocks with a width corresponding to the plate to be produced are produced from at least one multiplex plate consisting of several veneer layers, and that the blocks are laid flat and glued together along their long sides will. If the blocks are shorter than the board to be produced, then several blocks can be arranged one behind the other in the longitudinal direction and glued to one another at their abutting end faces.
  • the blocks are generated directly by cutting the multiplex plate. This creates colored strips in the finished panel, the length of which generally corresponds to that of the multiplex panel.
  • the multiplex plate is first divided into rectangular units by cuts across the plane of the plate; at least some units are redistributed in the plate level; the units are then glued to one another at their cut surfaces in order to produce an auxiliary plate, and finally the auxiliary plate is divided transversely to the glued cut surfaces to form the blocks.
  • each block consists of elements which come from different units of the multiplex plate which were not previously adjacent in the same way as they are arranged within the block.
  • the end grain layers and the long wood layers each remain in the same plane, so that the stripe pattern is retained in the finished panel, only end grain elements being visible within one strip and only long wood elements within the adjacent strips. The color changes only at the plate edges.
  • FIG. 1 shows the veneer layers 10 and 11 of a multiplex board 12 made of beech wood.
  • Each of these veneer layers consists of a rectangular plate with a thickness of approximately 2 mm.
  • the veneer grain 13 runs in each of the panels main pages.
  • the direction of the wood fibers runs in every second veneer layer 10 in the longitudinal direction of the board and in every veneer layer 11 in the transverse direction of the board. This can be seen from the fact that the main direction of the grain 13 is longitudinal in the veneer layers 10 and transverse in the veneer layers 11.
  • the edge that runs transversely to the wood fiber direction is the brain edge 14 and the edge that runs parallel to the wood fibers is the longitudinal edge 15. It can be seen that on each end face of the multiplex plate 12 brain edges 15 and longitudinal edges 14 alternate, ie lie on top of each other.
  • edges also change on the long side of the multiplex panel, but for example the veneer layer 10 has a long edge 15 on the long side and a brain edge 14 on the long side, while the adjacent veneer layer 11 has a brain edge 14 on the long side and a long edge 15 on the long side having.
  • the multiplex plate 12 is divided into blocks 1, 2, 3, 4,.. Corresponds to the thickness of the table or worktop to be manufactured. These blocks 1, 2, 3, 4, ... are then laid flat according to FIG. 3, with their long sides 17 placed against one another and glued.
  • the blocks can be offset in the longitudinal direction according to FIG. 4, whereby, similar to masonry, the blocks of one row are offset with respect to the blocks of the adjacent row, for example by half a block length.
  • Each block consists of an elongated strip, the height h of which is approximately 30 mm. All blocks have that same width and they consist of the same number of veneer layers 10,11.
  • the veneer layers of two blocks 3, 2 arranged one behind the other in the longitudinal direction are aligned with one another, ie the brain edges 14 each form a continuous strip in the panel surface and the longitudinal edges 15 likewise form a continuous strip.
  • the table or worktop 20 is produced, a section of which is shown in FIG. 4.
  • the blocks do not necessarily have to be made from a single multiplex plate 12, but they can also come from different multiplex plates.
  • a multiplexing plate 12 which corresponds to that of FIGS. 1 and 2 corresponds, divided by transverse cuts 21 into rectangular units I, II, III and IV. These units are then rearranged according to FIG. 6, for example in the order I, III, II, IV. In this order, the units are referred to below as A, B, C, D. The units are then glued together with their cut surfaces 21 in the rearranged order.
  • FIG. 6 the sequence of veneer layers 10 and 11 remains the same as for the multiplex plate 12 according to FIG. 5, but each of the veneer layers still continuous in the multiplex plate has now been interrupted and redistributed several times.
  • the auxiliary plate 22 shown in FIG. 7 is produced, which has the same dimensions and the same shape as the multiplex plate 12. The redistribution of the units can be seen in that the grain 13 on the top of the auxiliary plate 22 is not continuous Form structure, but have broken off at the glued interfaces 21.
  • the auxiliary plate 22 is now cut into blocks 1, 2, 3, 4, 5,..., Transversely to the glued surfaces 21, as shown in FIG. 7, block 1 consisting, for example, of elements A1, B1, C1 and D1.
  • the letters A, B, C, D each mean the origin from the relevant unit.
  • Each block has a width that corresponds to the thickness of the table top to be manufactured.
  • the unit I or A at the end of the multiplex plate was produced with half the width of the remaining units. This means that the element A1, A2, A3 in each block has half the length of the other elements.
  • the blocks are now laid flat according to FIG. 7 and, according to FIG. 8, placed with their long sides against one another and glued in a common plane.
  • the length of the table or worktop 20 according to FIG. 8 is equal to the block length and this is equal to the length of the multiplex plate 12 or the auxiliary plate 22.
  • the offset of the elements in block 1 to those in block 2 is achieved in that the shorter elements A1, A2, A3 and A4 are arranged in adjacent blocks at opposite ends, ie block 2 is rotated by 180 ° with respect to block 1.
  • the number of veneer layers with longitudinal grain is the same as that of veneer layers with transverse grain. Therefore, the outer veneer layer of a block in the adjacent block is followed by a veneer layer that is grained at right angles to it, so that the alternating color pattern of the strips is not disturbed.
  • the veneer layers are continuous within each block, although the color tint can vary slightly from element to element.
  • the edges of the table or work surface can be ground round, whereby the stripes, which extend through the entire material thickness, continue into the edge surfaces.
  • Fig. 9 to 11 show the formation of a reinforced edge.
  • the plate is provided with a miter cut 23, to which a block strip 24, likewise provided with a miter cut, made of the veneer material described is attached.
  • the block strip 24 projects downward beyond the plate 20 and forms an edge reinforcement.
  • the edge can then be ground as shown in FIG. 10.
  • Fig. 11 shows the transverse edge of the table or worktop with block block 24 attached to illustrate the continuous course of the stripe pattern.
  • the plate edge 26 running transversely to the veneer strips 25 has the inverse striped pattern like the top of the table or worktop. If the longitudinal edge were cut vertically, this edge would run within a single layer of veneer and have no stripe pattern. For this reason, the table top is provided with a miter cut 27 on the longitudinal edge and the block strip 28 is glued to this, which is made in the manner described from several layers of veneer.
  • the layers of the block strip 28 run horizontally in the longitudinal direction of the table or worktop, that is to say parallel to the strips 25 at the top.
  • a circular table or work surface 20 is shown, which is made of numerous rectangular elongated blocks 30.
  • the table or worktop is divided into four quadrants 31, 32, 33, 34 and in each quadrant the blocks 30 are arranged so that their longitudinal axes are aligned parallel to the horizontal central axis of the quadrant.
  • the blocks 30 accordingly have the same orientation and in the intermediate quadrants 32 and 34 they are oriented at right angles thereto. At the borders of the quadrants, the blocks meet at right angles.
  • the arrangement of the blocks described has the advantage that in the edge region of the round or oval table or work surface, the stripe patterns can be continued into the vertical edge surfaces without the strips being too wide there.
  • the blocks forming the edge and their stripes run at an angle of no more than 45 ° to the tangent of the circle. Although the stripes in the edge regions of the quadrants become wider on the vertical peripheral surface of the table than in the central region of the quadrant, stripes which are not too wide are produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Forests & Forestry (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Laminated Bodies (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Press Drives And Press Lines (AREA)
  • Finished Plywoods (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
EP86118009A 1986-12-23 1986-12-23 Table ou plan de travail et procédé de fabrication Expired - Lifetime EP0272342B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT86118009T ATE66176T1 (de) 1986-12-23 1986-12-23 Tisch- oder arbeitsplatte und verfahren zu ihrer herstellung.
EP86118009A EP0272342B1 (fr) 1986-12-23 1986-12-23 Table ou plan de travail et procédé de fabrication
DE8686118009T DE3680920D1 (de) 1986-12-23 1986-12-23 Tisch- oder arbeitsplatte und verfahren zu ihrer herstellung.
DK633386A DK633386A (da) 1986-12-23 1986-12-30 Bord- eller arbejdsplade og fremgangsmaade til fremstilling af denne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86118009A EP0272342B1 (fr) 1986-12-23 1986-12-23 Table ou plan de travail et procédé de fabrication

Publications (2)

Publication Number Publication Date
EP0272342A1 true EP0272342A1 (fr) 1988-06-29
EP0272342B1 EP0272342B1 (fr) 1991-08-14

Family

ID=8195669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86118009A Expired - Lifetime EP0272342B1 (fr) 1986-12-23 1986-12-23 Table ou plan de travail et procédé de fabrication

Country Status (4)

Country Link
EP (1) EP0272342B1 (fr)
AT (1) ATE66176T1 (fr)
DE (1) DE3680920D1 (fr)
DK (1) DK633386A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640196A1 (fr) * 1988-12-14 1990-06-15 Capeilleres Alain Procede de fabrication d'elements de mobilier utilisant le chant de plaques de matieres stratifiees, et element de mobilier realise grace a la mise en oeuvre de ce procede
AT401747B (de) * 1994-11-14 1996-11-25 Fendt Hermann Tafelelement aus massivholz und verfahren zu seiner herstellung
GB2321617A (en) * 1997-01-31 1998-08-05 Wilkinson Mark Furniture Ltd Plywood articles
WO2004043214A1 (fr) * 2002-11-11 2004-05-27 Classwood S.R.L. Elements de salle en bois et leur procede de fabrication
DE202004005479U1 (de) * 2004-02-06 2005-06-23 Moralt Tischlerplatten Gmbh & Co.Kg Leichtbauplatte
ITVR20090135A1 (it) * 2009-09-09 2011-03-10 Ermanno Benetti Articolo per uso edile, per costruzioni o per simile uso e metodo per la produzione di detto articolo.
GB2477530A (en) * 2010-02-05 2011-08-10 Diyan Rahnev A seemless worktop with plywood strips extending in a transverse direction over a support panel
AT510792A1 (de) * 2010-11-18 2012-06-15 Monte Florian De Verfahren zur herstellung von mehrere holzlagen aufweisenden platten sowie holzverbundplatte
EP2988910A1 (fr) * 2013-04-24 2016-03-02 Timber Structures 3.0 AG Élément de construction, procédé de liaison d'éléments en bois, programme informatique
DE102019125608A1 (de) * 2019-09-24 2021-03-25 PaTim UG (haftungsbeschränkt) Verfahren zur Herstellung eines Holzbauelementes sowie Holzbauelement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1162350A (fr) * 1956-11-19 1958-09-11 âme perfectionnée pour panneaux de bois composite du type contreplaqué
GB1044083A (en) * 1963-02-01 1966-09-28 Gianni Morandi Slab of resin-impregnated and compressed wood, particularly suitable for floors
US3730797A (en) * 1970-03-11 1973-05-01 Gutzeitin Laatikkotehdas Ab Oy Method for manufacturing building boards with chequer-square pattern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1162350A (fr) * 1956-11-19 1958-09-11 âme perfectionnée pour panneaux de bois composite du type contreplaqué
GB1044083A (en) * 1963-02-01 1966-09-28 Gianni Morandi Slab of resin-impregnated and compressed wood, particularly suitable for floors
DE1509649B1 (de) * 1963-02-01 1972-10-12 Morandi Gianni Dr Ing Parkettelement
US3730797A (en) * 1970-03-11 1973-05-01 Gutzeitin Laatikkotehdas Ab Oy Method for manufacturing building boards with chequer-square pattern

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640196A1 (fr) * 1988-12-14 1990-06-15 Capeilleres Alain Procede de fabrication d'elements de mobilier utilisant le chant de plaques de matieres stratifiees, et element de mobilier realise grace a la mise en oeuvre de ce procede
AT401747B (de) * 1994-11-14 1996-11-25 Fendt Hermann Tafelelement aus massivholz und verfahren zu seiner herstellung
GB2321617A (en) * 1997-01-31 1998-08-05 Wilkinson Mark Furniture Ltd Plywood articles
WO2004043214A1 (fr) * 2002-11-11 2004-05-27 Classwood S.R.L. Elements de salle en bois et leur procede de fabrication
DE202004005479U1 (de) * 2004-02-06 2005-06-23 Moralt Tischlerplatten Gmbh & Co.Kg Leichtbauplatte
ITVR20090135A1 (it) * 2009-09-09 2011-03-10 Ermanno Benetti Articolo per uso edile, per costruzioni o per simile uso e metodo per la produzione di detto articolo.
GB2477530A (en) * 2010-02-05 2011-08-10 Diyan Rahnev A seemless worktop with plywood strips extending in a transverse direction over a support panel
AT510792A1 (de) * 2010-11-18 2012-06-15 Monte Florian De Verfahren zur herstellung von mehrere holzlagen aufweisenden platten sowie holzverbundplatte
AT510792B1 (de) * 2010-11-18 2012-12-15 Monte Florian De Verfahren zur herstellung von mehrere holzlagen aufweisenden platten sowie holzverbundplatte
EP2988910A1 (fr) * 2013-04-24 2016-03-02 Timber Structures 3.0 AG Élément de construction, procédé de liaison d'éléments en bois, programme informatique
US11235489B2 (en) 2013-04-24 2022-02-01 Timber Structures 3.0 Ag Component, method for connecting wood elements, computer program
DE102019125608A1 (de) * 2019-09-24 2021-03-25 PaTim UG (haftungsbeschränkt) Verfahren zur Herstellung eines Holzbauelementes sowie Holzbauelement

Also Published As

Publication number Publication date
DE3680920D1 (de) 1991-09-19
EP0272342B1 (fr) 1991-08-14
DK633386A (da) 1988-06-24
ATE66176T1 (de) 1991-08-15
DK633386D0 (da) 1986-12-30

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