EP2133481A2 - Liaison de deux poutres en bois - Google Patents

Liaison de deux poutres en bois Download PDF

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Publication number
EP2133481A2
EP2133481A2 EP09007281A EP09007281A EP2133481A2 EP 2133481 A2 EP2133481 A2 EP 2133481A2 EP 09007281 A EP09007281 A EP 09007281A EP 09007281 A EP09007281 A EP 09007281A EP 2133481 A2 EP2133481 A2 EP 2133481A2
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EP
European Patent Office
Prior art keywords
wooden
screws
connection
component
components
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.)
Withdrawn
Application number
EP09007281A
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German (de)
English (en)
Other versions
EP2133481A3 (fr
Inventor
Heinz Wieland
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Individual
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Individual
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Filing date
Publication date
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Publication of EP2133481A2 publication Critical patent/EP2133481A2/fr
Publication of EP2133481A3 publication Critical patent/EP2133481A3/fr
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/2652—Details of nailing, screwing, or bolting

Definitions

  • the invention relates to a compound of at least two components, in particular wooden beams and a method for connecting two components, in particular wooden beams and the use of a compound of two components, in particular wooden beams.
  • connection of components, in particular of wooden beams by means of screws have become known from a variety of writings.
  • Wood joints by means of screws which are screwed at an acute angle to the surface of the wooden beam.
  • the actual stress problems hardly play a role.
  • journal and slot connections have frequently been used in the prior art. However, it always came to a weakening of a carrier.
  • connection of two at least perpendicular to each other adjoining wooden beams is in the WO 01/65018 described.
  • the main problem is that the main and secondary beams in this connection abut each other directly butt or the main carrier abuts the secondary beam. If the beams abut each other directly, the rotation of the loaded second wooden beam, for example the secondary support, can lead to deflection the same at the connection to the first wooden beams, such as the main beam, secondary moments, that is, internal forces occur.
  • due to shrinkage and swelling of the wood when connecting two wooden beams, the first and second wooden beams usually do not rest against each other. It then occurs between main and secondary beams a gap.
  • the object of the invention is therefore to avoid the disadvantages of the prior art in a first aspect, which occur in interconnected components, in particular wooden beams. Furthermore, a connection for a gerbil joint should be specified.
  • a gerbil joint is an articulated connection of two wooden beams or girders in the same axis, preferably close to the instant of moment of the supporting structure, but respecting the stability of the supporting structure.
  • the components, in particular wooden beams do not connect directly to each other, such. B. in the WO 01/65018 shown, but that in a compound of a first and a second component, in particular wooden beams, in which a first surface of the first component, in particular wooden beam of a second surface of the second component, in particular wooden beam opposite, between the first and second surface of an elastic material or Element, for example, as a soft intermediate layer is introduced.
  • the invention is also suitable for the connection of wood components and metal components, for example, for connecting a square tube with a wooden beam.
  • wood components and metal components for example, for connecting a square tube with a wooden beam.
  • two screws are used here, which are arranged offset crossing.
  • an elastic intermediate layer is introduced between the metal component, for example the square tube and the wooden beam. This prevents that moments are transmitted from the first component to the second component.
  • the metal part for example, the square tube to introduce a threaded pin which secures the pressure transmission.
  • the threaded pin is screwed in behind the screw head. This ensures that the screw can transfer pressure.
  • Hardened screws can preferably also be screwed in, which form a counter thread in the metal and can thus transmit compressive and tensile forces.
  • tears arranged in the tip and / or expander arranged in the region of the screw shank can be torn off.
  • the screwing of slender screws transverse to connecting screws is particularly advantageous when using intermediate layers, since the tendency to rupture over conventional wood joints, in which the wooden beams fit snugly against each other, is higher, since the screwing in such an embodiment closer to the edge of the Wood come to rest.
  • the technique of tearing by screwing transverse screws can also be used when using wood beam joints that do not use an elastic intermediate material.
  • the elastic material which is introduced between the components, in particular the wooden beams is formed in the form of an intermediate layer, wherein the intermediate layer preferably has a thickness d which is in the range between 0.1 mm - 10 cm, preferably between 0.1 mm - 1 cm.
  • the intermediate layer, which is introduced between the two components to be joined together, in particular wooden beams, preferably extends over the entire area of the first or the second surface of the components, in particular wooden beams, which are substantially opposite each other.
  • the elastic material in the form of an elastic intermediate layer made of a soft transversely loaded to the fiber wood panel or wood fiber board.
  • the material of the elastic intermediate layer is softer, that is to say has greater elasticity than the material of the two components to be joined together, in particular wooden beams.
  • the modulus of elasticity of the elastic material at least 5 times, in particular at least 10 times lower, preferably at least 20 times lower than the modulus of elasticity of the wooden beams in the direction of the resulting pressure load.
  • z. B is a wooden beam, the modulus of elasticity in the fiber direction between 7 and 20 kN / mm 2 , preferably between about 10 and 12 kN / mm 2 , and transverse to the fiber direction in the range 0.2 to 1 kN / mm 2 , preferably between 0, 3 kN / mm 2 and 0.5 kN / mm 2 .
  • the modulus of elasticity in the compression direction on the main support is transverse to the fiber direction and is in the range of 0.2 to 1 kN / mm 2 .
  • the modulus of elastic material used in such a compound is then at least 5 times lower, that is in the range of 0.04 kN / mm 2 to 0.2 kN / mm 2 .
  • the modulus of elasticity is formed in the direction of the pressure in both beams in the fiber direction and is in the range between 7 and 20 kN / mm 2 , preferably between 10 and 12 kN / mm 2 .
  • the modulus of elastic material used in such a compound is then at least 5 times lower, that is in the range of 1.4 kN / mm 2 to 4 kN / mm 2 .
  • the elastic intermediate layer may also comprise a plastic or a plastic foam.
  • the special plastics are characterized in particular by no or only a small moisture absorption. They are preferably moisture-resistant, permanently elastic, largely incombustible or have a high fire resistance.
  • the described elastic intermediate layers can as an elastic element which is introduced between the two wooden beams, or this elastic interconnects also be provided a metallic spring element.
  • the metallic spring element may for example consist of folded, hardened sheets.
  • Particularly suitable metal is martensitic stainless steel, but also austenitic stainless steel in service class 2 or 3 according to Eurocode 5.
  • the inventive compound of two components, in particular wooden beams by means of an elastic intermediate layer can be used in a variety of different compounds.
  • Such a connection is possible, for example in the case of a main / secondary carrier connection, in which the cross section of the main carrier is always greater than that of the secondary carrier.
  • the connection of wooden beams using a Gerbergelenkes or the combination of wooden beams of the same cross-sections, such as a mullion / transom or post / beam connection, would be possible.
  • Under a gerbil joint is understood as described above, an articulated connection of two wooden beams or girders in the same axis.
  • the invention also provides a method for joining at least two components, in particular wooden beams, wherein the wooden beams are fastened by means of screws engaging in both wooden beams.
  • an elastic intermediate layer is introduced between a first surface and a second surface of the first or second component, in particular wooden beam, which are substantially opposite, for example.
  • the two components, in particular wooden beams are connected to each other by at least two screws screwed in crossing.
  • the crosswise screwed in screws are screwed in so that it is ensured that they do not hit each other. You can, must but not screwed lying in two mutually substantially parallel planes lying.
  • the screws screwed in at an angle are screwed in such that the point of intersection occurs essentially in the region in which the two components, in particular wooden beams, lie opposite one another, that is to say in the region of the abutment point or the elastic intermediate layer.
  • the elastic intermediate layer or the elastic foam is preferably first inserted before joining the components, in particular wooden beams. The reverse procedure would also be possible, i. Introducing the elastic intermediate layer after joining the components, in particular wooden beams.
  • At least one, but preferably at least two screws are screwed transversely to the connecting screw before connecting the wooden beams.
  • the compound of the present invention may be used in a variety of wood-to-wood joints, for example, main / secondary beam terminals, docking pegs, mullion / transom terminals, mullion / beam terminals or gerber joints. It is also possible to connect complete frames and rafters at the ridge or at a eaves, without having to go into detail here.
  • FIG. 1a a first embodiment of a connection according to the invention is shown.
  • it is a mullion / transom connection, that is a combination of a first wooden beam 10 and a second wooden beam 20, each having the same cross-sections Q1 for the first wooden beam and Q2 for the second wooden beam.
  • the cross-sectional area as the second surface 32 with the surface area Q2 is opposite to a first surface 34 on the longitudinal side 36 of the first wooden beam 10.
  • the first wooden beam 10 is connected to the second wooden beam 20 via two crossed screws 40.1, 40.2, in particular full-thread screws.
  • the crossed running screws 40.1, 40.2 in two substantially mutually parallel planes 50.1, 50.2.
  • the screws essentially intersect in the projection in a common plane at a substantially right angle 52.
  • the angle 52 under which the crossing takes place can be in the range between 30 and 60 degrees.
  • FIGS. 4a to 4b the wooden beam 10 is not directly on the wooden beam 20. Rather, it is so that between the second surface 32 of the second wooden beam 20 and the opposite first surface 34 of the first wooden beam 10, an elastic material 100 is introduced.
  • the effect of this elastic material over the prior art is detailed in FIGS FIGS. 4a to 4b described, these figures relate without limitation to a main / secondary beam connection. However, a person skilled in the art will easily adapt the considerations made there to those in FIGS. 1a and 1b transferred post / bolt connection or all other connections shown in this application.
  • the elastic material 100 is preferably formed in the form of a layer 30, for example a wood fiber board or a mineral fiber board or a wood panel loaded transversely to the fiber. Also plastic plates would be possible.
  • the thickness d of the elastic intermediate layer 30 is in the range of 0.1 mm - 10 cm, preferably in the range of 1 mm - 1 cm.
  • the elastic layer 30 is preferably a soft material, wherein the softness or the elasticity is less than the softness or the elasticity of the first wooden beam 10 and the second wooden beam 20.
  • the elastic material for example in the form of a foam in the space between the second surface 32 and the first surface 34.
  • the introduction of the intermediate layer 30 may be carried out prior to attachment of the carrier to each other or after their attachment in the resulting gap.
  • full-thread screws 40.1, 40.2 with more than one pair of screws, for example, with five or six consecutive intersecting screw pairs, depending on the requirements of the connection.
  • full thread screws are used in the connection.
  • the screws are to be screwed in at the edge or simple screws to be used, it may be provided to pre-drill holes in the direction of the connecting screws. This also reduces the tendency to tearing.
  • the full-thread screws can also be equipped with milling heads and subsequent widening areas in the shank.
  • a third variant to avoid tearing shows FIG.
  • FIG. 2 is an alternative embodiment of a compound according to the FIGS. 1 a and 1 b shown.
  • This is a post / beam connection.
  • the first wooden beam 210 serves as a post
  • the second wooden beam 220 is a continuous beam with which the Post is connected.
  • the first surface 234 of the first beam is opposite the second surface 232 of the second beam.
  • the area size is determined by the cross-sectional area Q1 of the first beam 210.
  • the cross sections of the first wooden beam 210 and the second wooden beam 220 are substantially the same.
  • the connection of posts and beams is in turn carried out with two screws 240.1, 240.2 screwed in essentially lying in parallel planes.
  • For the soft intermediate layer 300 in turn, softer materials than materials of the wooden beams themselves are selected. These materials are already in the description of the FIGS. 1 a and 1b are listed.
  • FIG. 3a and 3b a conventional main / secondary beam connection is shown without an elastic intermediate layer with the forces then occurring. This is a projection into a plane of the terminal, which is why the connecting screws are shown crossing in the plane. However, this corresponds only to a simplified representation. In reality, the screws are offset in two successive substantially parallel planes as in the plan view in Figure 1 b shown.
  • a main carrier 410 is connected to two secondary supports 420.1, 420.2.
  • the main carrier 410 is connected to the secondary carrier 420.1 by the screws 440.1, 440.2, the main carrier 410 to the secondary carrier 420.2 by the screws 440.3, 440.4.
  • FIG. 3a is a main / secondary carrier connection, as it is for example in the WO 01/65018 realized.
  • How out Fig. 3a lie main carrier 410 and secondary beams 420.1, 420.2 without an intermediate material to each other. Due to tolerances or source effects between main carrier 410 and secondary carrier 420.1, 420.2 gaps 415.1, 415.2.
  • the pressure load is designated by reference numbers 419.2, 419.4, which acts from the secondary beam to the main beam. How out FIGS. 3a to 3b can be clearly seen, the pressure load from the sub-carriers 420.1, 420.2 acts on the main carrier 410, wherein the pressure load at the main / secondary carrier connection is substantially perpendicular to the fiber direction of the main carrier 410.
  • the structural timber of the main carrier has an E-modulus transverse to the fiber direction in the range 0.2 to 1 kN / mm 2 , preferably between 0.3 kN / mm 2 and 0.5 kN / mm 2 .
  • the tensile loads are designated by the reference numbers 419.1, 419.3.
  • the transverse loads are indicated by reference numbers 421.1 for secondary beams 420.1 and 421.3 for secondary beams 420.2. and 421.2 and 422.4 for the main carrier 410.
  • the tensile and compressive loads occurring in the illustrated main / secondary carrier connection lead to additional loading of the connecting screws 440.1, 440.2, 440.3, 440.4 and thus the receiving connection load is reduced.
  • FIGS. 4a and 4b Now, the embodiment of the invention is shown. Same components as in the FIGS. 3a and 3b are designated by 200 increased reference numerals.
  • An elastic intermediate layer 700 is introduced between the connection of main 610 and secondary beam 620.1, 620.2.
  • the soft intermediate layer 700 between the end 624.1 of the secondary support 620.1 and the main support 610 allows the loaded secondary support 620.1 to rotate without a secondary torque, ie an additional compressive load 419.1, 419.3 or tensile load 419.2, 419.4, as in the case of FIG. 3b arises.
  • the material of the elastic layer 700 is a material having a modulus of elasticity which is at least 5 times, in particular at least 10 times lower, preferably at least 20 times less than the modulus of elasticity of the wooden beams in the direction of the resulting pressure load 419.1, 419.3.
  • the structural timber of the main carrier has an E-modulus transverse to the fiber direction in the range 0.2 to 1 kN / mm 2 , preferably between 0.3 kN / mm 2 and 0.5 kN / mm 2 . This means that the elastic modulus is less than 0.5 kN / mm 2 , in particular less than 0.05 kN / mm 2 .
  • the soft, elastic intermediate layer 700 is usually only a few millimeters thick. It is preferably in the range between 0.1 mm and 10 cm, preferably between 1 mm and 1 cm. As materials for the soft intermediate layer can be used transversely to the fiber loaded wood panels or wood fiber boards. Alternatively, it is also possible to use plastics or plastic foam. Also mineral fiber boards would be conceivable.
  • FIGS. 3a to 4b shown main / secondary beam connection, which is characterized in that the main carrier has a larger cross-section than the secondary carrier, it is possible to make a compound according to the invention also in Gerber joints.
  • a compound of the invention in a gerbil joint is in the FIGS. 5a to 5c shown.
  • a gerbil joint is like in FIG. 5a shown a first wooden beam 810 in a first cross-section with the same cross-section with a second wooden beam 820, with which the first wooden beam is connected, extended.
  • the second wooden beam 820 with approximately the same cross-sectional area to the end, that is to say the cross-sectional area of the first wooden beam 810, the cross-sectional areas of the first 810 and the second wooden beam 820 being substantially opposite one another.
  • the connection between the first 810 and the second wooden beam 820 will be as in FIG. 5 shown with the help of at least two crossed in the two wooden beams 810, 820 screwed full thread screws 840.1, 840.2 made, the full-thread screws come to rest in different levels.
  • the wood may be provided to pre-drill the holes of the connecting screws. However, this requires a further operation. Therefore, it is preferable to form the inserted full-thread screws as self-drilling screws, that is, to provide them with, for example, a drill bit and a flared portion.
  • FIG. 5b is shown in more detail the range of the connection of two wooden beams 810, 820 at a gerbil joint.
  • the two opposing surfaces 842, 844 and the elastic intermediate layer 846 between the surfaces 842 and 844 are also visible.
  • the parallel planes 1042.1, 1042.2, into which the connecting screws are screwed, are perpendicular to the surface 830 of the wooden beams 810, 820 in the embodiment according to FIG. 6a.
  • FIG. 5c an alternative embodiment of a connection is shown.
  • the parallel planes are not perpendicular to the surfaces 830 of the wooden beams 810, 820, but at an angle to accommodate, for example, roof or shear loads can.
  • the screws may also be arranged in non-parallel planes (not shown) to accommodate further lateral loads.
  • the connecting screws only need to be arranged so that they do not penetrate each other.
  • the diagonally driven screws that make the connection of the wooden beams are denoted by the reference numerals 1140.1, 1140.2, 1140.3, 1140.4.
  • connection shown in the special case of a tarsal joint with helical screws that intersect but can not be touched can be transferred to any type of wood / wood connection and is not limited to gerber joints.
  • FIG. 6 an alternative possibility is shown, such as rupturing, especially in a tibial articulation as in Figure 5a - 5c can be prevented shown.
  • FIG. 6 Clearly visible in FIG. 6 two connecting screws 1040.1, 1040.2 lying substantially in parallel planes, which are driven from below and from above through the second wooden beam 1020 to be connected, for example on a post, and engage in the posts (not shown).
  • the side from which the screws 1080.1, 1080.2 extending essentially transversely to the connecting screws are driven into the wooden beams is irrelevant. This can be done both from the left and from the right.
  • the comfortably screws are preferably as long as possible slim screws.
  • the screws can be screwed in crosswise, but do not have to be full thread screws.
  • Fig. 7a - 7b the connection of a metal component, for example a steel profile 2000 with a wooden beam 2010 is shown.
  • Fig. 7a shows a section through a plane in which the screw 2020 comes to rest.
  • an elastic intermediate layer 2080 is arranged, which serves that, as described above, no moments are transmitted.
  • the screws 2020 are driven at an angle ⁇ of 45 ° to the vertical.
  • a second screw 2030 is screwed crossing the first screw in a plane parallel to the plane shown offset. This means that the crossed screws screwed in 2020, 2030 do not penetrate. In order to be able to absorb not only tensile forces, but also compressive forces, it is provided to provide a threaded pin 2050 in the connection behind the screw head 2040. Through the threaded pin 2050, the pressure transmission is secured.
  • Fig. 7b refers to. How out Fig. 7b As can be seen, it is advantageous if a tube 2060 is introduced into the metal part, through which the screws with head 2040 is passed. The threaded stem 2050 is secured with a thread 2070 in the tube 2060 and secured so.
  • the present invention for the first time, a compound of two wood beams is specified in which loads that occur due to swelling or shrinking of the body can be reliably removed. Furthermore, the invention for the first time discloses a reliable possibility for reliably and simply preventing the tearing of connections made with the aid of full-thread screws.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Rod-Shaped Construction Members (AREA)
EP09007281A 2008-06-11 2009-06-02 Liaison de deux poutres en bois Withdrawn EP2133481A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810027873 DE102008027873B4 (de) 2008-06-11 2008-06-11 Verbindung von zwei Holzbalken

Publications (2)

Publication Number Publication Date
EP2133481A2 true EP2133481A2 (fr) 2009-12-16
EP2133481A3 EP2133481A3 (fr) 2011-11-09

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Family Applications (4)

Application Number Title Priority Date Filing Date
EP20080022085 Not-in-force EP2133480B1 (fr) 2008-06-11 2008-12-19 Procédé destiné à la liaison de deux composants en bois
EP09007281A Withdrawn EP2133481A3 (fr) 2008-06-11 2009-06-02 Liaison de deux poutres en bois
EP09007657A Withdrawn EP2133482A3 (fr) 2008-06-11 2009-06-10 Procédé destiné à la liaison de deux composants en bois
EP12003635A Withdrawn EP2500477A1 (fr) 2008-06-11 2009-06-10 Procédé destiné à la liaison de deux composants en bois

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EP20080022085 Not-in-force EP2133480B1 (fr) 2008-06-11 2008-12-19 Procédé destiné à la liaison de deux composants en bois

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EP09007657A Withdrawn EP2133482A3 (fr) 2008-06-11 2009-06-10 Procédé destiné à la liaison de deux composants en bois
EP12003635A Withdrawn EP2500477A1 (fr) 2008-06-11 2009-06-10 Procédé destiné à la liaison de deux composants en bois

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EP (4) EP2133480B1 (fr)
DE (1) DE102008027873B4 (fr)

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SE537689C2 (sv) * 2013-12-12 2015-09-29 Martinson Group Ab Knutpunkt mellan konstruktionselement av trä samt fackverk
CN108517972B (zh) * 2018-04-20 2019-09-20 广东大喜装饰设计工程有限公司 仿木建筑及其钢木连接结构
DE102020114613A1 (de) * 2020-06-02 2021-12-02 Fischerwerke Gmbh & Co. Kg Verfahren zu einer Prüfung einer Berührung zweier in Holz geschraubter, elektrisch leitender Schrauben und Handschraubmaschine zur Durchführung des Verfahrens

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WO2001065018A1 (fr) 2000-02-29 2001-09-07 Sfs Intec Holding Ag Assemblage de deux poutres en bois se raccordant mutuellement au moins approximativement a angle droit

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Publication number Priority date Publication date Assignee Title
DE706759C (de) 1937-06-16 1941-06-05 Samuel Voss Holzverbindung durch metallene Schrauben
FR865513A (fr) 1940-05-09 1941-05-26 Assemblage de bois
DE19724281A1 (de) 1996-06-10 1997-12-18 Automation Tooling Syst Mehrstückige Exzenterwelle sowie Verfahren zu deren Herstellung
WO2001065018A1 (fr) 2000-02-29 2001-09-07 Sfs Intec Holding Ag Assemblage de deux poutres en bois se raccordant mutuellement au moins approximativement a angle droit

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Publication number Publication date
EP2133482A2 (fr) 2009-12-16
EP2133481A3 (fr) 2011-11-09
EP2133482A3 (fr) 2011-08-17
DE102008027873B4 (de) 2010-05-12
DE102008027873A1 (de) 2009-12-24
EP2133480B1 (fr) 2012-12-19
EP2133480A1 (fr) 2009-12-16
EP2500477A1 (fr) 2012-09-19

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