EP0768438B1 - Blechband zum miteinander Verbinden von Bauteilen - Google Patents

Blechband zum miteinander Verbinden von Bauteilen Download PDF

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Publication number
EP0768438B1
EP0768438B1 EP95402300A EP95402300A EP0768438B1 EP 0768438 B1 EP0768438 B1 EP 0768438B1 EP 95402300 A EP95402300 A EP 95402300A EP 95402300 A EP95402300 A EP 95402300A EP 0768438 B1 EP0768438 B1 EP 0768438B1
Authority
EP
European Patent Office
Prior art keywords
metal strip
sheet
wood
gouge
tooth
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.)
Expired - Lifetime
Application number
EP95402300A
Other languages
English (en)
French (fr)
Other versions
EP0768438A1 (de
Inventor
Daniel Gauthier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP95402300A priority Critical patent/EP0768438B1/de
Priority to DE69517980T priority patent/DE69517980D1/de
Priority to AT95402300T priority patent/ATE194677T1/de
Publication of EP0768438A1 publication Critical patent/EP0768438A1/de
Application granted granted Critical
Publication of EP0768438B1 publication Critical patent/EP0768438B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • 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
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
    • E04B2005/237—Separate connecting elements

Definitions

  • the present invention relates to a sheet metal strip metallic intended to form bond between two elements of construction such as soles or plates, at least one of these elements being of wood, said strip of metal sheet comprising on at least one edge of the anchoring projections provided with teeth intended to be forced into at least one of said teeth construction elements which is made of wood, and comprising between at least some of said anchoring projections at least one member penetration stop in the wood.
  • Said anchoring projections in the wood provide between they niche.
  • the sheet metal strip is inserted into the wood in the factory using a continuously operating press, and this is a delicate operation since on the one hand, the sheet metal strip does not must not penetrate into the wood beyond the base of the slots formed between the anchoring projections to avoid creating a primer cracking and on the other hand, the anchoring projections must be completely inserted in the wood despite the natural heterogeneity wood fibers.
  • the object of the present invention is to remedy the disadvantages of the prior art and to propose a sheet metal strip according to the preamble of claim 1, the manufacture of which is easy and inexpensive.
  • the arresting body of penetration consists of a gouge-shaped tooth making protruding outwards.
  • Wood which when sinking the sheet metal strip enters the concavity of the gouge-shaped tooth, comes abut on the surface, substantially transverse to the direction of penetration into the wood of the bottom of the gouge, to limit the insertion of the sheet metal strip into the building element in wood.
  • the gouge-shaped tooth has a substantially cylindrical concave wall, connected to the rest of the sheet metal strip by an inflected wall coming from forging or stamping, said inflected wall defining a surface constituting the bottom of the tooth and substantially orthogonal in the sense penetration of the tooth into the wood, so as to stop this penetration.
  • the teeth are arranged in the shape of a gouge so that two consecutive teeth have concavities facing opposite directions with respect to the sheet metal strip, which avoids rectilinear primers of wood cracks.
  • the strip of metal sheet is folded in zigzag along fold lines parallel to each other, two strip portions adjacent to the same fold line forming a obtuse angle.
  • Said strip of metal sheet is preferably made made of steel with a protective coating against oxidation.
  • the anchoring projections advantageously include teeth which may have a profile such as that described in the patent FR-A-2 702 236.
  • the anchoring of these teeth is improved by the elasticity of the wood which closes on the teeth after their insertion and also by removing the sheet metal strip substantially stretched by the press during the insertion operation.
  • said sheet metal strip comprises preferably on the side and on a song means intended to secure the sheet metal strip in a concrete plate.
  • a sheet metal strip according to the invention can also be used to make a structural element.
  • said sheet metal strip has on its two edges of the anchoring projections provided with force-on teeth in wood and the sheet metal strip has between at least some anchoring projections at least one penetration stop member wood made of a gouge-shaped tooth projecting towards outside.
  • FIGS. 1A and 1B show a strip of sheet 1 according to an exemplary embodiment of the invention.
  • This sheet metal strip 1 comprises on an edge anchoring projections 4 forming slots and provided with teeth 6 to be forced into wood.
  • the band singing region in between between two anchoring projections 4, i.e. the base 5 of the niche formed between these anchoring projections 4, is provided with two members wood penetration stop in accordance with the invention in the form of teeth 7 projecting towards the exterior and gouge-shaped.
  • the sheet metal strip 1 is zigzagly folded along lines of folding L and L parallel to each other. It thus presents ripples as shown in Figure 1B.
  • the sheet metal strip has in each interval separating two anchoring projections 4 consecutive, two gouge-shaped teeth 7, formed equal distance from the same fold line L.
  • the sheet metal strip 1 is also folded at the level of the anchoring projections 4 and more precisely along a fold line L 'contained in a plane median of symmetry for the anchoring projection concerned.
  • the use of a strip of sheet metal with corrugations has the advantage of increasing the adhesion surface of the sheet in the wood or the building element, and avoids the constitution of a rectilinear crack initiator during the sheet metal penetrating into the wood.
  • the use of a sheet presenting ripples also has the advantage of facilitating handling of it, which can be stored in rolls prior to its use.
  • the gouge-shaped teeth allow, in addition to stopping the penetration of the sheet metal strip into the wood, to improve the resistance sheet metal strip in the latter.
  • the adhesion of the gouge-shaped teeth is improved when the two main faces of the latter are coated a hot-melt adhesive, preferably with a low melting point of so that the simple insertion into the wood creates a sufficient local heating to melt the glue, which cooler polymerizes and increases the adhesion of the tooth in wood.
  • the teeth 6 are advantageously coated formed on the anchoring projections 4 with a hot-melt adhesive for increase their adhesion.
  • FIGS. 2A to 2C show a tooth in shape of gouge 7, according to the invention.
  • Each tooth 7 came from forming with the sheet metal strip by stamping or stamping and has a cylindrical wall 7a connecting to the rest of the sheet metal strip by an inflected wall formed by the union of two wall parts 7b and 7c each having the general shape of a portion of torus.
  • the wall part 7b is concave towards the inside of the tooth while the wall part 7c has its concavity located on the outside of the tooth.
  • the wall parts 7b and 7c define at their junction a substantially 7th surface perpendicular to the direction S of penetration of tooth 7 in the wood.
  • the wall parts 7b and 7c stiffen the sheet at right of the tooth connection on the rest of the sheet metal strip and prevent it from bending when it enters the wood.
  • the free end 7d of the tooth is tapered to facilitate insertion into the wood, and this end 7d is preferably tapered like a spoon like represented.
  • the cylindrical wall 7a of the tooth present in section transverse a semicircular shape as shown in the Figure 2C.
  • the teeth 7 are formed on the sheet metal strip so as to be staggered on either side of the sheet metal strip when observed parallel to the fold lines L and L ', as shown in Figure 1B.
  • FIG. 3 shows an assembly of two flanges 2a, 2b connected by a sheet metal strip 1 conforming to the invention, and constituting a structural element.
  • the sheet metal strip 1 is symmetrical with respect to a plane median perpendicular to the fold lines.
  • Figure 3 shows a small gap between the surface of each of the soles 2a and 2b and the base 5 of the slots, in reality the surface of the soles 2a and 2b comes to bear on the base 5 of the slots, until the wood stops against the 7th surface constituting the bottom of the teeth in the shape of a gouge.
  • FIG. 4 An assembly consisting a concrete floor 3 and a beam 2b connected by a strip sheet 1 according to the invention.
  • the sheet metal strip 1 has a fallen edge 9 on a song stiffening the sheet and flares 10 allowing passage and maintenance of metal reinforcements 11.
  • the sheet metal stampings 8 forming protrusions participate in the stiffening of corrugated sheet and anchor it in concrete. Singing opposite has anchoring projections 4 and teeth in the form of gouge 7 as described above.
  • penetration stop members in the wood according to the invention allow a good spacing to be obtained determined between the two building elements that the strip of sheet metal connects, therefore to precisely respect the dimensions of construction.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)

Claims (9)

  1. Metallblechband (1) zum Ausbilden einer Verbindung zwischen zwei Konstruktionselementen (2a; 2b; 3), beispielsweise Platten oder Tafeln, wobei zumindest eines (2b) der genannten Konstruktionselemente aus Holz ist, welches Blechband auf mindestens einer Schmalseite Verankerungsvorsprünge (4) umfasst, die mit Zähnen (6) versehen sind, die zum Eintreiben unter Krafteinwirkung in mindestens eines der genannten Konstruktionselemente, das aus Holz ist, bestimmt sind, wobei das Blechband zwischen zumindest einigen Verankerungsvorsprüngen mindestens ein Sperrmittel zum Eindringen bzw. Eingreifen in das Holz umfasst, dadurch gekennzeichnet, dass das Sperrmittel zum Eingreifen durch einen Zahn (7) in Form eines Hohlmeißels bzw. Hohlbeitels ausgebildet ist, der einen Vorsprung zur Außenseite hin ausbildet.
  2. Metallblechband nach Anspruch 1, dadurch gekennzeichnet, dass der Zahn (7) in Form eines Hohlmeißels eine im wesentlichen zylindrische, konkave Wandung (7a) darbietet, die mit dem Rest des Blechbandes über eine gebogene Wandung verbunden ist, die durch besenkformen oder Druckumformen ausgebildet ist, wobei die gebogene Wandung eine Oberfläche (7c) festlegt, die den Boden des Zahns darstellt und im wesentlichen senkrecht zur Richtung des Eindringens des Zahns in das Holz verläuft.
  3. Metallblechband nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Zahn in Form eines Hohlmeißels ein Ende (7d) aufweist, das sich so verjüngt, dass das Eindringen des Zahns in das Holz erleichtert wird.
  4. Metallblechband nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zwei Hauptflächen des Zahns in Form eines Hohlmeißels mit einem Thermoschmelzkleber überzogen sind.
  5. Metallblechband nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zähne in Form eines Hohlmeißels auf dem Blechband so angeordnet sind, dass zwei aufeinanderfolgende Zähne in Form eines Hohlmeißels Aushöhlungen darbieten, die in Bezug auf das Blechband in entgegengesetzte Richtungen gerichtet sind, um so die Bildung von geradlinigen Rissen des Holzes zu vermeiden.
  6. Metallblechband nach Anspruch 5, dadurch gekennzeichnet, dass das Blechband entlang von parallelen Faltungslinien gefaltet ist, um ein im wesentlichen zickzackförmiges Profil darzubieten, wobei zwei Abschnitte, die an die selbe Faltungslinie angrenzen, zwischen sich einen stumpfen Winkel ausbilden, so dass ein Fluchten von Holzrissbildungen vermieden wird.
  7. Metallblechband (1) nach einem der vorhergehenden Ansprüche , dadurch gekennzeichnet, dass das Metallblechband eine Schutzbeschichtung gegen Oxidation umfasst.
  8. Verwendung eines Metallblechbands, wie es in einem der vorhergehenden Ansprüche definiert ist, zur Realisierung eines Holz-Beton-Verbundbodens, wobei das Blechband auf der Seite und auf einer Schmalseite Mittel (8, 9, 10) umfasst, um die Befestigung des Blechbands in einem Betonboden (3) sicherzustellen.
  9. Verwendung eines Metallblechbands (1) nach einem der Ansprüche 1 bis 7, zur Realisierung eines Holzwerkelements wobei das Metallblechband zwei Platten (2a, 2b) verbindet und auf seinen zwei Schmalseiten Verankerungsvorsprünge umfasst, die mit Zähnen zum Eintreiben bzw. Einschlagen unter Krafteinwirkung in das Holz versehen sind, welches Blechband unter anderem zwischen mindestens einigen Verankerungsvorsprüngen mindestens ein Sperrmittel zum Eindringen bzw. Eingreifen in das Holz umfasst, das durch einen Zahn (7) in Form eines Hohlmeißels bzw. Hohlbeitels ausgebildet ist, der einen Vorsprung zur Außenseite hin ausbildet.
EP95402300A 1995-10-13 1995-10-13 Blechband zum miteinander Verbinden von Bauteilen Expired - Lifetime EP0768438B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP95402300A EP0768438B1 (de) 1995-10-13 1995-10-13 Blechband zum miteinander Verbinden von Bauteilen
DE69517980T DE69517980D1 (de) 1995-10-13 1995-10-13 Blechband zum miteinander Verbinden von Bauteilen
AT95402300T ATE194677T1 (de) 1995-10-13 1995-10-13 Blechband zum miteinander verbinden von bauteilen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95402300A EP0768438B1 (de) 1995-10-13 1995-10-13 Blechband zum miteinander Verbinden von Bauteilen

Publications (2)

Publication Number Publication Date
EP0768438A1 EP0768438A1 (de) 1997-04-16
EP0768438B1 true EP0768438B1 (de) 2000-07-12

Family

ID=8221534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402300A Expired - Lifetime EP0768438B1 (de) 1995-10-13 1995-10-13 Blechband zum miteinander Verbinden von Bauteilen

Country Status (3)

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EP (1) EP0768438B1 (de)
AT (1) ATE194677T1 (de)
DE (1) DE69517980D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19729058A1 (de) * 1997-07-08 1999-01-14 Sika Ag Verbundelement und Verfahren zu seiner Herstellung
DE19808208A1 (de) * 1998-02-27 1999-09-02 Fischer Artur Werke Gmbh Verbindungselement zum Verbinden von Holz und Beton
CN103437494A (zh) * 2013-09-12 2013-12-11 南京工业大学 一种工程木-压型钢板-轻骨料混凝土组合梁及制备安装方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR726897A (fr) * 1931-11-25 1932-06-04 Brev De Construction S A Et Poutrelle et son application à la constitution des planchers
DE1609464A1 (de) * 1966-12-08 1970-06-11 Reising Wolfgang Bauelemente
NO144461C (no) * 1979-11-02 1981-09-02 J Caspar Falkenberg Korrugert, tannet stegbaand for bygningselementer
AU527716B2 (en) * 1980-01-29 1983-03-17 Nail Web (Aust)pty Ltd. Building construction member
US4862667A (en) * 1987-09-18 1989-09-05 Melland Robert C Metal structural fastener/stiffener with integral prongs
FR2702236B1 (fr) * 1993-03-03 1995-08-04 Gauthier Daniel Element de construction composite bois-beton.
FR2718770B1 (fr) * 1994-04-14 1996-05-24 Daniel Gauthier Bande de tôle ondulée formant liaison entre éléments de construction.

Also Published As

Publication number Publication date
EP0768438A1 (de) 1997-04-16
ATE194677T1 (de) 2000-07-15
DE69517980D1 (de) 2000-08-17

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