EP0667426A1 - Construction en treillis, en particulier ferme de toit ou halle en bois lamellé collé - Google Patents

Construction en treillis, en particulier ferme de toit ou halle en bois lamellé collé Download PDF

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Publication number
EP0667426A1
EP0667426A1 EP94102056A EP94102056A EP0667426A1 EP 0667426 A1 EP0667426 A1 EP 0667426A1 EP 94102056 A EP94102056 A EP 94102056A EP 94102056 A EP94102056 A EP 94102056A EP 0667426 A1 EP0667426 A1 EP 0667426A1
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EP
European Patent Office
Prior art keywords
elements
truss structure
tabs
structure according
binder
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
EP94102056A
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German (de)
English (en)
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EP0667426B1 (fr
Inventor
Frank Dipl.-Ing. Timmermans
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.)
Timmermann Friedrich
Original Assignee
Timmermann Friedrich
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 Timmermann Friedrich filed Critical Timmermann Friedrich
Priority to DE59408247T priority Critical patent/DE59408247D1/de
Priority to EP94102056A priority patent/EP0667426B1/fr
Priority to AT94102056T priority patent/ATE180033T1/de
Priority to DK94102056T priority patent/DK0667426T3/da
Publication of EP0667426A1 publication Critical patent/EP0667426A1/fr
Application granted granted Critical
Publication of EP0667426B1 publication Critical patent/EP0667426B1/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
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/17—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with non-parallel upper and lower edges, e.g. roof trusses
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/38—Arched girders or portal frames
    • E04C3/42—Arched girders or portal frames of wood, e.g. units for rafter roofs

Definitions

  • the invention relates to a truss structure, which is particularly suitable for roof structures and hall in wood glue construction.
  • wooden structural elements in particular in the form of binders and bars, are connected to one another at the nodes of the framework by means of sunken connecting elements made of metal.
  • the invention further relates to retractable connecting elements for nodes in truss structures and wooden structural elements provided with them.
  • Half-timbered constructions have proven themselves in modern construction, particularly in the construction of roof structures and halls suitable for various purposes, whereby solid wood constructions can be used, but in particular the so-called wood glue construction method - glulam - is used, in which boards layer by layer to the required wooden construction elements, in particular Supports, trusses and rods are glued.
  • this half-timbered construction is increasingly finding its way into normal house construction, particularly because of the variability of the construction options and the special properties of wood that many clients want.
  • components made of wood glue are a very versatile solution for load-bearing building elements, such as belts and binders, which have an extremely high static strength with a low weight and also guarantee a long service life in the event of fire, which, for example, cannot be achieved by comparable structural steel components become. For this reason, not only sports halls and manufacturing buildings in industry, but also increasingly public buildings with a roof structure in half-timbered construction are being created.
  • Such wooden constructions such as those used in particular for the construction of roof structures and entire halls for a wide variety of purposes, consist, apart from the rising walls, which can consist of wooden construction or mineral building materials, of a trussed supporting structure made of essentially horizontal Bottom straps or ties and essentially vertical supports or bars. This support structure supports the top chords or roof beams. The loads are transferred to the rising walls or supports via the lower straps or trusses. Trusses and rods are connected to each other at junctions, with the usual connections of wooden construction used for the production of this connection, as are known to the carpenter, but meanwhile more technically sophisticated solutions are also chosen, for example gusset plates embedded in the wood.
  • gusset plates are based on the dimensions of the wooden construction elements, i. H. the trusses and rods are adapted and sunk there into slots and are held in their position by dowels passed through them. They have proven themselves on the whole, but have the disadvantage that they produce a rigid connection between binders and rods, which can no longer be detached and, in some cases, generate additional moments in the connecting rods due to an unavoidable eccentricity. In addition to the elaborate preparation, the production of this connection also requires precise work on the construction site, i. H. under the difficult conditions of timber construction in u. U. considerable amount.
  • the object of the invention is to form a node connection for truss structures so that the individual elements can be prefabricated and preassembled in the workshop, so that the elements only have to be assembled on the construction site. Furthermore, this connection should be designed so that the prefabrication of the elements can largely be done mechanically with great precision, so that expensive reworking on the construction site can be omitted. Finally, the node connection should be designed to be detachable, which makes it possible to build multi-purpose halls for specific purposes and for a short period of time, to dismantle them after use and to set them up in a new location for a new purpose.
  • a truss structure of the type mentioned at the outset in which trusses and rods are connected to one another at the nodes of the truss by means of countersunk connecting elements made of metal, characterized in that the connecting elements are formed by brackets and receptacles which are connected to one another by bolts, wherein the tabs are embedded in the head area of a rod, so that a tongue area remains free, which has a central bore for the passage of the bolt, the receptacles are embedded at the nodes of the trusses and have a shaft for receiving the tongue area of the tabs and one transverse to Course of the shaft-running hole, which is also guided through the adjacent flanks of the binder, and that the tabs are inserted with their tongue area into the receptacles and are secured in the receptacles by means of the bolts guided through the holes.
  • Wood glue construction means constructs made from common glulam, but also from wood-based materials, which are known under the collective name "engineered wood” can be summarized, that is timber made from parallel or short or long strips of wood (LSL and PSL) glued in parallel, peeled veneer (LVL) glued in parallel with fibers and constructs made from several of these wood-based materials.
  • Nodes are also the points of a truss structure at which a truss or lower chord is anchored to a rising building element, such as an upstanding wall made of mineral or metallic building materials or wood or a support element made of wood, concrete, steel or other building materials.
  • a rising building element such as an upstanding wall made of mineral or metallic building materials or wood or a support element made of wood, concrete, steel or other building materials.
  • one of the connecting elements can be anchored to the upstanding component without it being essential that it is sunk into it.
  • tabs and receptacles are used as connecting elements, and the receptacles for several tabs can be combined in one receiving element. This is the case at the junctures of a truss where several vertically and diagonally mounted bars of the supporting structure converge.
  • a bolt is required to fix one or more tabs of a bar element in the corresponding receptacle of a binder.
  • the usage elements and bolts are made from a metallic material, usually from a suitable or approved structural steel or aluminum.
  • a tab consists of a flat metal piece with a tongue area provided with a central hole.
  • the tab is embedded or countersunk in the head region of a rod and fixed therein by means of suitable holding elements, for example a large number of dowels.
  • the tongue area of the tab remains free and expediently runs in the longitudinal direction of the rod provided with it. Butted arrangements are also possible and can be useful for anchoring oblique rods of the support structure in the truss. With several bars converging in a node, this can result in a desired saving of space.
  • the receptacles are embedded in the components at the nodes, the receptacle shaft in each case remaining accessible for accommodating the tongue area of a tab.
  • a receptacle expediently consists of a U-profile, the legs of which flank the tongue of a tab inserted therein and thus produce a two-section connection.
  • a hole transverse to the course of the shaft through the legs of the profile enables the bolt to be passed through and a tab to be fixed with its tongue area. There may also be multiple holes for multiple bolts.
  • Tabs and receptacles are recessed into slot-shaped recesses or recesses in the corresponding component (truss, support or rod).
  • the at least one bore for receiving the bolt running across each receptacle continues into the flanking parts of the binder, so that the bolt or bolts can be pushed from the outside through the binder with the receptacle recessed therein.
  • a suitable securing element for example a ring ring or a securing pin.
  • connection between the parallel tabs and receptacles, which are arranged in parallel slots in the components is preferably made by a bolt.
  • connection of the two connection elements via preferably only one bolt has two advantages: On the one hand, the connection is designed as a joint, which allows a certain flexibility of the construction in the longitudinal direction of the supporting structure. On the other hand, assembly and disassembly are simplified and the number of parts required is reduced. The use of only one bolt per rod to be connected has largely proven to be completely sufficient statically. Of course, it is possible to establish the connection between the receptacle and the tab by two or more bolts guided in parallel if a rigid connection is desired.
  • a corresponding effect can be achieved if there are no round holes in the tabs and receptacles, but polygonal recesses into which a correspondingly designed bolt is inserted, which forces the relative position of the rod and the truss to one another.
  • centering elements which are present, for example, as bevels, flanges or wings and engage in corresponding recesses in the respective component, make it possible, in particular in the mechanical preparation of the corresponding components, for the connecting elements to be inserted in a precisely fitting manner workpiece to be equipped with it. Fitting accuracies of the order of 1/10 mm are easily possible. In this way it is possible to use a numerically controlled milling machine to mill and prepare the components in such a way that the binding elements can be inserted and fixed in the desired position without the need for reworking. This reduces the manufacturing and assembly costs and allows the prefabrication of standardized components.
  • the centering elements can have any shape, for example be rectangular bevels, be circular or also in the form of a segment of a circle.
  • circular centering elements are particularly expedient, since this allows the corresponding receptacles or recesses in the component to be drilled out.
  • Centering elements in the form of circular sections are also expedient, in particular if they are arranged on both sides of the legs of a receptacle and complement one another to form an imaginary full circle — a precise drilling of the corresponding recess in the component is also possible here.
  • connecting elements can be embedded in a wooden construction element parallel to each other.
  • the connecting elements are expediently firmly anchored in the wooden component. This can be done in any known manner, but expediently with a multiplicity of dowels guided through the wooden structural element and the connecting element or elements mounted therein. Corresponding holes in the wooden component and in the connecting element are required for this, which can be guided through a coordinate-controlled drilling machine through wood and metal material. It is useful, however, that the connecting element has these holes before installation and the corresponding holes in the wooden component are made in preparation for the installation of the respective connecting element, the positioning being based on the position of the recess or recesses of the centering element or elements of the corresponding connecting element . In order to impair the static properties of the wooden structural element as little as possible, it is advisable to provide a large number of dowels with a small diameter.
  • anchoring aids for example in the form of spikes extending into the wood, which can be punched out of the centering element and bent downward. Pins and screws can also be used.
  • the truss structure according to the invention can be designed at the nodes so that the trusses and rods are each brought together with a perfect fit, so that the connecting elements are protected in this area by the surrounding wood mass.
  • Fig. 1 shows a common truss structure, as it is used for roof structures and in hall construction.
  • the support structure formed from the tie 2 and the bars 3 stabilizes the upper flange 4.
  • Tie 2 and support bars 3 are in turn brought together at nodes 5;
  • the support of the binder 2 on the rising support elements 1 as node 5 '.
  • 1 to 5 support bars can converge at a node.
  • Fig. 2 shows a node 5, at which two support rods 3 converge and are fixed to a binder 2 by means according to the invention.
  • the inner connecting elements 6 and 7 are indicated by dashed lines within the wooden components 2 and 3, namely a receptacle 6 within the binder 2 and tabs 7 within the rods 3.
  • the connecting elements 6 and 7 are by means of a variety of through the wooden component and that Connecting element guided dowels 8 connected.
  • the wooden construction elements are shown cut open in order to make the position of the recessed connecting elements clear.
  • the receptacle 6 within the binder 2 is suitable for receiving and fixing the tabs 7 of two rods 3.
  • the fixing takes place with the aid of bolts 9 which are guided from the outside through corresponding bores in the binder 2, the receptacle 6 and the tongue area 10 of the tabs 7.
  • the figure also shows centering elements 11, which extend transversely to the course of the connecting elements 6 and 7 and ensure the correct positioning of the connecting elements in the wooden structural elements 2 and 3.
  • the connecting elements are completely inside the wooden components 2 and 3, which ensures optimum fire protection, in particular if the remaining parts of the countersink slots in the wooden components are closed by appropriately dimensioned wooden parts.
  • FIG. 3 shows three embodiments of a tab as it is used according to the invention.
  • a tab 7 according to (a) consists of an elongated flat iron, which at one end merges into a rounded tongue 10 which has a central bore 12. At right angles to the course of the tab 7 there are centering elements 11 placed on the long side in the form of circular sections. With the exception of its tongue region 10, the tab 7 is sunk into a slot-shaped recess in a rod, the centering elements 11 engaging in correspondingly designed recesses.
  • the centering elements allow the tab 7 to be inserted precisely into the rod 3 and enable the wooden workpiece to be prepared appropriately by means of a coordinate-controlled processing machine, in particular with regard to the milling of the slot receiving the tab, the drilling of the holes for receiving the dowel fastenings and the design of the head piece Rod to adapt to the external dimensions of the connected truss.
  • FIGS. 3 (b) and (c) show a double link in the form of two parallel link elements 7 with tongues 10 and aligned central bores 12 for receiving a bolt 11, in one case the centering elements 11 being designed as circular disks connecting the two link parts and in the other case as wing elements 13 and 14, one (13) of which connects the two tab elements 7 in a bridge-like manner and the other two (14) protrude like wings.
  • the design of the centering elements 13 and 14 in the case of Fig. 3 (c) as an attached (bridging or protruding) angle allows the tabs 7 to be lowered deeper into the wooden workpiece without causing a weakening of the material by correspondingly deeply milled recesses for the Centering elements 13 and 14 comes.
  • FIG 4a shows the interaction of a rod 3 provided with a double bracket 7 with a binder 2 provided with a double receptacle 6.
  • the dowels 8 are shown; any centering elements on the tab 7 are omitted.
  • the receiving binder 2 is indicated around the receptacle 6.
  • a through hole 12 serves to fix the tab 7 with the aid of a bolt, and bevels 11 serve at the same time for centering and protecting the surfaces of the binder 2 in the region of the connection of the rod 3 against damage.
  • Thorns 16 point from the folds 11 down into the wood and serve to fix the receiving element 6; they were created by simply punching and bending down.
  • the receptacle 6 clearly shows the U-shaped structure in which a central shaft 18 is flanked by two legs 17.
  • Fig. 4b shows a further embodiment of a rod equipped with a tab, as it is suitable for angled attachment to a binder.
  • the same numbers mean the same positions. It is clear that for the precisely fitting attachment of the rod to a binder, a precise machining of the head piece while observing the length and angle dimensions is required, and at the same time a precisely fitting insertion of the tab 7, which causes the centering elements (not shown in this figure).
  • Fig. 5 shows two embodiments of the receiving elements 6 according to the invention used with (Fig. 5a) clearly formed shaft 18, which is flanked by lateral legs 17, and attached centering elements 11 with thorns 16 (or wood screws) as anchoring aids, which the in the prepared slot of the binder 2 inserted receptacle 6 in fixed by the recess for the centering 11 position.
  • a final permanent determination is made by multiple dowels (not shown here).
  • Fig. 5 (b) shows a further embodiment of a receptacle 6, in which the centering elements 11 are not, as shown in Fig. 5 (a), formed as circular-section-shaped wings which complement each other to form a full circle, but as Bends with a fixing aid 16 pointing vertically downwards. Otherwise, the same numbers denote the same positions.
  • the U-shaped profile of the receptacle can be clearly seen, in which the shaft 18 has a clear width of 6 mm, for example, and the two legs 17 have a width of 3 mm. Accordingly, the tab that is inserted into the receptacle is about 5 to 6 mm thick. In comparison, the edge length of the binder in cross section is about 130 mm.
  • the centering elements 11 shown here are not embedded in the binder, but nevertheless cause alignment and height positioning of the receptacles 6 in the binder 2 by the fact that they rest on the flat wooden surface.
  • the height of the bores 12 is indicated by broken lines, as is the Position of the holes 19 for receiving the dowels 8.
  • Fig. 7 shows a binder 2 and a rod 3 with inserted double-designed connecting elements 6 and 7 ready for assembly.
  • the centering elements 11 projecting upwards, the receptacles are completely sunk into corresponding slots in the binder 2; the tabs 7 only protrude with their tongue region 10, which also has the aligned bores 12, from the head piece of the wooden workpiece 3.
  • the centering elements 11 are recessed into corresponding recesses in the wooden workpiece 2 or 3 and are flush with the surfaces of the wooden workpiece.
  • FIG. 8 shows a node made according to the invention consisting of a binder and two rods, with an inserted bolt, centering element of the tab 7 and tongues 10 of the tab 7 inserted into the shafts 18 of the receptacles 6.
  • the same numbers denote the same positions.
  • Fig. 9 shows a connection between a rising support 1, which can consist of wood or a mineral or metallic building material, such as concrete or steel, and a rod 3, which is part of a roof structure.
  • a rising support 1 which can consist of wood or a mineral or metallic building material, such as concrete or steel
  • a rod 3 which is part of a roof structure.
  • a receptacle 6 Inserted into the rising support 1 there is a receptacle 6 which has a bevel 11 in the area which adjoins the vertical surface of the support 1, into which the receptacle 6 is inserted.
  • the bevel 11 serves to protect the surface of the support element 1 in the region of the receptacle 6 and at the same time as a centering element.
  • the rod 7 is made of solid or wide glue. Embedded in the end region of the rod 7 there is the tab 7 with a tongue region 10 which engages in the receptacle 6 in the rising support 1.
  • the tab 7 is anchored in the rod 3 with a large number of dowels 8 and positioned in the corresponding recesses in the rod 3 via the centering elements 11.
  • the connection between the rod 3 and the upstanding support 1 is made by a bolt 9 which is guided transversely through corresponding bores in the support 1, the receptacle 6 and the tongue area 10 of the tab 7.
  • Fig. 10 shows a corresponding connection of a binder 2 on a rising support 1 made of a steel profile, which is designed here as a double T with a cover plate 19. Welded onto the cover plate 19 is the tab required for making the connection, which here only consists of its tongue area 10.
  • This head design also applies to a column made of mineral building materials (concrete or similar).
  • the placed binder 2 contains the receptacle 6, which is positioned via centerings 11 and fixed in the corresponding recesses therein by means of dowels 8.
  • the binder is made of solid wood or plywood.
  • the connection is secured by a bolt 9 which is guided through a corresponding bore in the binder 2, in the receptacle 6 and in the tongue 10.
  • Binding a connecting element in a wooden component first requires that the wooden component is brought into a defined working position in a processing machine and there is provided with the necessary recesses or slots in the required number for receiving the connecting element.
  • the recesses for receiving the centering are made relative to the position of the wooden structural element to be machined Drilled hole for receiving the bolt and other holes for receiving the dowels to fix the connecting element in the wooden component. It is particularly important that the positions of these points - expediently via coordinate control - are precisely aligned relative to one another and also assume the desired position in the wooden component precisely.
  • the installation of the standardized connecting element can then be carried out with great accuracy on the basis of the position of the cutout for the centering aid.
  • the invention also relates to connecting elements, as described above in the framework of the framework construction for establishing the connection in the nodes, and to wooden structural elements equipped therewith.
  • connecting element made of metallic or mineral building material and connected with one or more centering bolts.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
EP94102056A 1994-02-10 1994-02-10 Construction en treillis, en particulier ferme de toit ou halle en bois lamellé collé Expired - Lifetime EP0667426B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59408247T DE59408247D1 (de) 1994-02-10 1994-02-10 Fachwerkkonstruktion, insbesondere Dachtragwerk oder Halle in Holzleimbauweise
EP94102056A EP0667426B1 (fr) 1994-02-10 1994-02-10 Construction en treillis, en particulier ferme de toit ou halle en bois lamellé collé
AT94102056T ATE180033T1 (de) 1994-02-10 1994-02-10 Fachwerkkonstruktion, insbesondere dachtragwerk oder halle in holzleimbauweise
DK94102056T DK0667426T3 (da) 1994-02-10 1994-02-10 Gitterkonstruktion, især et tagspær eller en hal bygget af limtræ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94102056A EP0667426B1 (fr) 1994-02-10 1994-02-10 Construction en treillis, en particulier ferme de toit ou halle en bois lamellé collé

Publications (2)

Publication Number Publication Date
EP0667426A1 true EP0667426A1 (fr) 1995-08-16
EP0667426B1 EP0667426B1 (fr) 1999-05-12

Family

ID=8215674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94102056A Expired - Lifetime EP0667426B1 (fr) 1994-02-10 1994-02-10 Construction en treillis, en particulier ferme de toit ou halle en bois lamellé collé

Country Status (4)

Country Link
EP (1) EP0667426B1 (fr)
AT (1) ATE180033T1 (fr)
DE (1) DE59408247D1 (fr)
DK (1) DK0667426T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313139A (en) * 1996-05-16 1997-11-19 Co Ordinated Carpentry Pty Ltd Wooden roof trusses
AU730275B2 (en) * 1996-05-16 2001-03-01 Turb-O-Web International Pty Limited Manufacture of trusses
AU755778B2 (en) * 1996-05-16 2002-12-19 Turb-O-Web International Pty Limited Manufacture of trusses
AU2010200467B2 (en) * 1996-05-16 2013-01-31 Turb-O-Web International Pty Ltd Manufacture of Trusses
WO2016116532A1 (fr) * 2015-01-21 2016-07-28 Doka Gmbh Support de coffrage et structure de coffrage
EP3228778A1 (fr) * 2016-04-08 2017-10-11 DOKA GmbH Support de coffrage et construction de coffrage comprenant un tel support de coffrage

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296304C (fr) *
US1391122A (en) * 1919-05-05 1921-09-20 Simon D Knudsen Roof-truss
FR1165379A (fr) * 1956-11-20 1958-10-21 Nemaho Nv Assemblage de poutres
DE1225833B (de) * 1963-03-26 1966-09-29 Greimbau Lizenz Gmbh Zerlegbarer Holztragrost
FR2413189A1 (en) * 1978-01-02 1979-07-27 Baveg Wooden double T-girder with struts between chords - has dovetail and glued joints where strut ends converge on chords
DE3015934A1 (de) * 1980-04-25 1981-10-29 Rudolf 7821 Bernau Spiegelhalter Vorrichtung zum verbinden von holzbalken o.dgl.
DE8412937U1 (de) * 1984-04-27 1986-02-06 Meickl, Gerhard, Dipl.-Ing., 5461 Ockenfels Selbstarretierende Verbindung für Holzbauteile
FR2647861A1 (fr) * 1989-05-30 1990-12-07 Marlin Romuald Systeme d'assemblage de deux elements de structures mecaniques
DE3923471A1 (de) * 1989-07-15 1991-01-24 Martin Trautz Holzverbindungstechnik mittels lamellen
DE4124553A1 (de) * 1990-09-14 1992-03-19 Nadel Und Drahtwarenfabrik Ern Verbinder aus metall fuer verdeckte balkenanschluesse
DE9204092U1 (de) * 1992-03-26 1992-05-21 Reimold, Peter, 7519 Eppingen Verbindungsvorrichtung für stabförmige Bauteile
DE4040538A1 (de) * 1990-12-18 1992-06-25 Engelbert Guentert Verbindungsvorrichtung fuer wenigstens zwei aneinanderliegende balken

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296304C (fr) *
US1391122A (en) * 1919-05-05 1921-09-20 Simon D Knudsen Roof-truss
FR1165379A (fr) * 1956-11-20 1958-10-21 Nemaho Nv Assemblage de poutres
DE1225833B (de) * 1963-03-26 1966-09-29 Greimbau Lizenz Gmbh Zerlegbarer Holztragrost
FR2413189A1 (en) * 1978-01-02 1979-07-27 Baveg Wooden double T-girder with struts between chords - has dovetail and glued joints where strut ends converge on chords
DE3015934A1 (de) * 1980-04-25 1981-10-29 Rudolf 7821 Bernau Spiegelhalter Vorrichtung zum verbinden von holzbalken o.dgl.
DE8412937U1 (de) * 1984-04-27 1986-02-06 Meickl, Gerhard, Dipl.-Ing., 5461 Ockenfels Selbstarretierende Verbindung für Holzbauteile
FR2647861A1 (fr) * 1989-05-30 1990-12-07 Marlin Romuald Systeme d'assemblage de deux elements de structures mecaniques
DE3923471A1 (de) * 1989-07-15 1991-01-24 Martin Trautz Holzverbindungstechnik mittels lamellen
DE4124553A1 (de) * 1990-09-14 1992-03-19 Nadel Und Drahtwarenfabrik Ern Verbinder aus metall fuer verdeckte balkenanschluesse
DE4040538A1 (de) * 1990-12-18 1992-06-25 Engelbert Guentert Verbindungsvorrichtung fuer wenigstens zwei aneinanderliegende balken
DE9204092U1 (de) * 1992-03-26 1992-05-21 Reimold, Peter, 7519 Eppingen Verbindungsvorrichtung für stabförmige Bauteile

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313139A (en) * 1996-05-16 1997-11-19 Co Ordinated Carpentry Pty Ltd Wooden roof trusses
GB2313139B (en) * 1996-05-16 2000-08-23 Co Ordinated Carpentry Pty Ltd Manufacture of trusses
AU730275B2 (en) * 1996-05-16 2001-03-01 Turb-O-Web International Pty Limited Manufacture of trusses
AU755778B2 (en) * 1996-05-16 2002-12-19 Turb-O-Web International Pty Limited Manufacture of trusses
AU2010200467B2 (en) * 1996-05-16 2013-01-31 Turb-O-Web International Pty Ltd Manufacture of Trusses
WO2016116532A1 (fr) * 2015-01-21 2016-07-28 Doka Gmbh Support de coffrage et structure de coffrage
EP3228778A1 (fr) * 2016-04-08 2017-10-11 DOKA GmbH Support de coffrage et construction de coffrage comprenant un tel support de coffrage

Also Published As

Publication number Publication date
ATE180033T1 (de) 1999-05-15
EP0667426B1 (fr) 1999-05-12
DK0667426T3 (da) 1999-11-01
DE59408247D1 (de) 1999-06-17

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