EP2015879A1 - Fastening element for dry construction elements, and method for the production of such a fastening element - Google Patents

Fastening element for dry construction elements, and method for the production of such a fastening element

Info

Publication number
EP2015879A1
EP2015879A1 EP07724828A EP07724828A EP2015879A1 EP 2015879 A1 EP2015879 A1 EP 2015879A1 EP 07724828 A EP07724828 A EP 07724828A EP 07724828 A EP07724828 A EP 07724828A EP 2015879 A1 EP2015879 A1 EP 2015879A1
Authority
EP
European Patent Office
Prior art keywords
sheet material
fastening element
teeth
recesses
element according
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
EP07724828A
Other languages
German (de)
French (fr)
Other versions
EP2015879B1 (en
Inventor
Alfons Jean Knauf
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.)
Richter System GmbH and Co KG
Original Assignee
Richter System GmbH and Co KG
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 Richter System GmbH and Co KG filed Critical Richter System GmbH and Co KG
Priority to SI200730422T priority Critical patent/SI2015879T1/en
Priority to PL07724828T priority patent/PL2015879T3/en
Publication of EP2015879A1 publication Critical patent/EP2015879A1/en
Application granted granted Critical
Publication of EP2015879B1 publication Critical patent/EP2015879B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/10—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form into a peculiar profiling shape
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7453—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with panels and support posts, extending from floor to ceiling
    • E04B2/7457—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with panels and support posts, extending from floor to ceiling with wallboards attached to the outer faces of the posts, parallel to the partition
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
    • E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
    • E04B2/7854—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile
    • E04B2/789—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile of substantially U- or C- section
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/4956—Fabricating and shaping roller work contacting surface element
    • Y10T29/49561—Fabricating and shaping roller work contacting surface element toothed roller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming

Definitions

  • the present invention relates to a fastener for drywall components and a method of making such a fastener.
  • corrugated board made of metal with two perpendicularly crossing corrugations is known.
  • the corrugations form a depression on one side of the corrugated board and an elevation on the other side.
  • a band-shaped metal is passed between rollers having two teeth.
  • EP 0674 551 Bl Another surveys and depressions exhibiting sheet material is known from EP 0674 551 Bl, which is a method for
  • Fasteners for components of drywall are regularly fixed with screws, which are screwed into or through the sheet material. If the fastener is flat at the point of insertion, the exact positioning of the screws is not always unproblematic, since the screws during insertion, which normally happens with the cordless screwdriver, can slip away. However, the provision of a known from the prior art wavy region alone would not lead to an optimal handling of the fastener.
  • Object of the present invention is therefore, a
  • Fixing element for components of the drywall which can be mounted very easily, and to provide a method for producing such a fastener.
  • a fixing element for components of the dry construction which comprises a sheet material having at least one connecting portion, wherein the sheet material is provided in the region of at least one connecting portion with a plurality of wells, wherein the depressions are formed by deformed portions of the sheet material, so in that the depressions on one side of the sheet metal material form elevations on the opposite side of the sheet material, wherein the depressions are each surrounded at least partially by sliding relative to an imaginary center line of the sheet material inclined sliding surfaces for to be introduced into or through the connecting portion connecting means.
  • the sliding surfaces allow a particularly simple fixing of the fastener. If screws are used for this, they can slide due to the action of the sliding surfaces in the next recess and screwed there. In this way, the screws can always be used at precisely defined positions, without incurring additional expense.
  • Screws can be used particularly easily if the sliding surfaces each occupy an angle of inclination of more than 5 °, in particular of more than 7 ° to the imaginary center line of the sheet material.
  • the sheet material in the at least one connecting portion apart from the depressions and / or elevations, no parallel to the imaginary center line of the sheet material surface.
  • the center distance between the individual wells is between three times and ten times the material thickness of the sheet material, in particular between four times and six times the material thickness of the sheet material.
  • Material thickness means the thickness of the sheet material itself, ie without consideration of elevations and depressions. At the same time a good mountability of the fastener and high stability values are achieved.
  • the elevations and the depressions are provided on both sides of the sheet material.
  • a high stability with good mountability is also promoted by the fact that the elevations have a height between 0.8 and 1.4 times the material thickness of the sheet material, measured from the imaginary center line of the sheet material, and / or if the Recesses have a depth between 0.3 times and 2.0 times, in particular between 0.3 times and 1.0 times the material thickness of the sheet material, measured from the outer envelope surface of the sheet material having.
  • the outer envelope is formed by the highest points of the surveys.
  • the material thickness of the sheet material is between 0.2 mm and 2.0 mm, in particular between 0.3 mm and 0.8 mm, preferably between 0.4 mm and 0.7 mm.
  • the total height of the deformed sheet material in the connecting section is between twice and three times the material thickness of the sheet material.
  • the total height is measured, in contrast to the material thickness, taking into account the possibly provided on both sides surveys.
  • the fastening element can be designed in particular as a C profile, U profile, L profile, top hat profile, T profile or Z profile.
  • the object underlying the invention is also achieved by a method for producing a fastener according to the invention, in which a substantially planar sheet material having by one of a first teeth
  • Upper roll and a second teeth having lower roll formed Gap is passed to form the recesses and protrusions and the inclined sliding surfaces.
  • top rollers or bottom rollers are also particularly simple and inexpensive to produce, since the individual toothed discs can be processed separately and are joined together at the end to form the top or bottom roller.
  • the toothed disks have a row of the first and second teeth on their peripheral side.
  • the teeth each have four straight flanks, which are inclined in particular between 25 ° and 35 °, preferably by 30 ° to a median plane of the disc.
  • Teeth of the upper roller and the second teeth of the lower roller engage with each other and / or upper roller and lower roller are arranged such that each one of the first teeth in the middle of a gap between each two of the second teeth protrudes.
  • Fig. Ia a perspective view of a fastener according to the invention according to a first embodiment
  • Fig. Ib an enlarged view of a cross section through a part of the connecting portion of the fastener of Fig. Ia;
  • FIG. 3 shows a fastener according to the invention according to a further embodiment
  • Fig. 5a a schematic representation of an inventive
  • Fig. 5b an enlarged detail of Fig. 5a; 6a: a schematic representation of a toothed disc of the upper roller or lower roller in plan view,
  • Fig. 6b the toothed disc of Fig. 6a in section
  • Fig. 7a a schematic representation of another toothed
  • Fig. 7b the toothed disc of Fig. 7a in section
  • Fig. 8a-c enlarged details of the individual teeth of the toothed
  • Fig. 9a is a schematic simplified representation of the arrangement of the individual toothed discs of the upper roller and the lower roller;
  • Fig. 9b an enlarged detail of Fig. 9a.
  • the fastening elements 1, 1, 1" are.
  • the leg sections 3, which each form a fastening flange, extend essentially perpendicular to the bottom section 2.
  • leg sections 3 each have at their outer ends bent-over, inwardly facing strips 4, which form supporting edges.
  • fasteners 1, 1 ' are also referred to as C-Prof ⁇ l.
  • the fastening element 1 "shown in Figure 3, which has no bent strips at the outer ends of the leg portions 3, is a so-called U-profile.
  • the described fastening elements 1, 1 ', 1 can be used in dry construction as a supporting construction, for example in the construction of partitions, suspended ceilings, etc.
  • the illustrated fastening elements 1, 1 ', 1 consist of metal, in particular galvanized sheet steel and are brought by forming from a substantially planar sheet material in the illustrated spatial shapes of the fasteners 1, 1', 1".
  • the sheet material of the fastening elements 1, 1 ', 1 has in each case at least one connecting section 5.
  • the two leg sections 3 are designed as connecting sections 5 and this area provided with a plurality of recesses 6, which are formed by deformed portions of the sheet material.
  • the fastening element 1 "shown in FIG. 3 on the other hand, not only the leg sections 3 but also the bottom section 2 have such depressions 6.
  • FIG. 1 b shows an enlarged partial section through the sheet metal material of the fastening element 1 shown in FIG. 1 a in the region of a connecting section 5.
  • FIG. 1 b shows an enlarged partial section through the sheet metal material of the fastening element 1 shown in FIG. 1 a in the region of a connecting section 5.
  • FIGS. 2 and 3 there are no differences from the fastening elements 1 'and 1 "illustrated in FIGS. 2 and 3.
  • FIG the depressions 6 are formed by deformed regions of the sheet material, wherein the depressions 6 on one side of the sheet material form elevations 7 on the opposite side of the sheet material.
  • the recesses 6 are each surrounded at least partially by relative to an imaginary center line M of the sheet material inclined sliding surfaces 9 for in or through the connecting portion 5 to be introduced connecting means.
  • the sliding surfaces 9 in this case have an angle of inclination N of more than 5 degrees, in particular of more than 7 Degrees to the imaginary center line M of the sheet material.
  • regions which lead to the respective depression 6 form around the depression 6. Screws can therefore, as described in more detail below, slide on the sliding surfaces 9 to the recesses 6.
  • FIG. 1b It can also be clearly seen in FIG. 1b that the elevations 7 and the depressions 6 are formed on both sides of the sheet material.
  • the elevations 7 are symbolized by small circles and the depressions 6 by small diamonds.
  • the center distance A between the individual depressions 6 is preferably between three times and ten times the material thickness S of the sheet material, in particular between four times and six times the material thickness S. If the depressions 6 are formed on both sides of the connecting portion 5, as illustrated, Thus, the center distance A is used in each case between adjacent recesses 6, regardless of on which side of the sheet material, the respective recess 6 is formed.
  • the elevations 7 preferably have a height H between 0.8 times and 1.4 times the material thickness S of the sheet material, measured from the imaginary center line M of the sheet material.
  • these have a depth T between 0.3 times and 2.0 times, in particular between 0.3 times and 1.0 times, the material thickness S of the sheet material, measured from the outer envelope surface F of the sheet material having.
  • the outer envelope surface F is formed by the highest points of the respective elevations 7.
  • the material thickness S of the sheet material is advantageously between 0.2 mm and 1.0 mm, in particular between 0.3 mm and 0.8 mm, preferably between 0.4 mm and 0.7 mm.
  • the depressions 6 and elevations 7 have a stabilizing effect.
  • the fastener has a much higher load capacity with the same material thickness compared with conventional fasteners. This makes it possible to reduce the material thickness S of the sheet material and thus also the production costs and still achieve a high load capacity.
  • the recesses 6 and elevations 7 are formed so that the total height of the deformed sheet material in the
  • Connecting portion 5 is between twice and three times the material thickness S of the sheet material.
  • FIG. 4a, 4b and 4c illustrate the advantageous effect of the sliding surfaces 9.
  • a screw 10 of which only the tip is shown, placed on the connecting portion, this slides due to the action of the inclined sliding surfaces. 9 in a simple way to the nearest well 6 and comes here to lie in a well-defined position. This is shown in Fig. 4b.
  • the screw 10 can be screwed with its tip in the continuous sheet material (Fig. 4c).
  • the recess 6 prevents that the screw 10 slips when screwing. In this way, screws 10 can be screwed into the connecting section 5 particularly quickly and nevertheless accurately.
  • a substantially flat sheet metal material 15 is passed through a nip formed by a first teeth 11 and a lower roll 14 having second teeth 13. This is good in FIG Figure 5b shown enlarged
  • the correspondingly processed sheet material 15 can then be transformed into subsequent steps, not shown, for. B. to a C-profile shown in Figures Ia and 2 or to the U-profile shown in Figure 3.
  • the top roller 12 and the bottom roller 14 each have a plurality of juxtaposed toothed discs 16, 17, which are shown in more detail in FIGS. 6a, 6b, 7a, 7b and 8a-c.
  • Each of the toothed discs 16, 17 has on its outside a number of uniformly distributed over the circumference arranged teeth.
  • Each tooth has a flat, substantially square tooth tip 18, the side length of the square being 0.4 mm in the illustrated embodiment.
  • each tooth has four flat flanks 19, wherein the angle between two opposite flanks in the illustrated embodiment is about 60 ° degrees (see Figures 8a and 8c). Accordingly, the angle between the flanks 19 and the median plane M of the toothed discs 16, 17 is 30 degrees.
  • the toothed discs 16 and 17 each have in their center a cavity 20 for receiving a drive shaft, not shown. To produce a positive connection between the drive shaft and the toothed discs 16, 17 are formed in this keyways 21.
  • the toothed disks 16, 17 shown in FIGS. 6a and 7a are substantially identical to one another. However, there is a difference in that the teeth provided on the circumference are offset from each other by half a tooth pitch relative to the keyway 21 formed in the cavity 20.
  • FIG. 9a illustrates schematically how the individual toothed discs 16, 17 are joined together to form the respective top roller 12 and bottom roller 14, respectively.
  • the upper roller 12 and the lower roller 14 also have a plurality of spacers D. These allow the sheet material between Upper and lower rollers 12, 14 pass without the sheet material is deformed in the areas formed by the spacers.
  • the top roller 12 and the bottom roller 14 are each through
  • the toothed discs 16, 17 of the top roller 12 are arranged to the toothed discs 16, 17 of the lower roller 14 without axial displacement. Accordingly, the tooth tips of the toothed discs 16, 17 of the upper roller 12 each protrude into the middle of the interdental space between two teeth of the toothed discs 16, 17 of the lower roller 14.

Abstract

Fixing element (1) comprises recesses (6) each partially surrounded by sliding surfaces which are inclined relative to the imaginary middle line of a sheet metal material (15). The sliding surfaces are for connecting elements to be inserted into a connecting section (5). An independent claim is also included for a method for the production of a fixing element. Preferred Features: The sliding surfaces have an angle of inclination of more than 5[deg], especially more than 7[deg], to the imaginary middle line of a sheet metal material.

Description

BEFESTIGUNGSELEMENT FÜR BAUELEMENTE DES TROCKENBAUS UND VERFAHREN ZUR FASTENING ELEMENT FOR CONSTRUCTION ELEMENTS OF THE DRY CONSTRUCTION AND METHOD FOR
HERSTELLUNG EINES SOLCHEN BEFESTIGUNGSELEMENTSMANUFACTURE OF SUCH A FASTENING ELEMENT
Die vorliegende Erfindung betrifft ein Befestigungselement für Bauelemente des Trockenbaus und ein Verfahren zur Herstellung eines solchen Befestigungselements.The present invention relates to a fastener for drywall components and a method of making such a fastener.
Aus der CH 486 281 ist bereits eine Welltafel aus Metall mit zwei sich senkrecht kreuzenden Wellungen bekannt. Die Wellungen bilden auf der einen Seite der Welltafel eine Vertiefung und auf der anderen Seite eine Erhebung. Zur Herstellung der Welltafel wird ein bandförmiges Metall zwischen zwei Zähne aufweisenden Walzen hindurchgeführt.From CH 486 281 already a corrugated board made of metal with two perpendicularly crossing corrugations is known. The corrugations form a depression on one side of the corrugated board and an elevation on the other side. To produce the corrugated board, a band-shaped metal is passed between rollers having two teeth.
Ein weiteres Erhebungen und Vertiefungen aufweisendes Blechmaterial ist aus der EP 0 674 551 Bl bekannt, welche ein Verfahren zurAnother surveys and depressions exhibiting sheet material is known from EP 0674 551 Bl, which is a method for
Herstellung eines solchen Materials beschreibt. Nach dieser Schrift weisen die bei der Herstellung eingesetzten Walzen Zähne in Evolventenform auf.Production of such material describes. According to this document, the rollers used in the production of teeth in involute form.
Bei dem aus der EP 0 891 234 B 1 bekannten Verfahren, werden für die Verformung eines Blechmaterials Walzen eingesetzt, welche an der Oberseite abgerundete Zähne aufweisen. Aus der PCT/ GB81/00095 ist ein Metallblech mit einer Vielzahl von Vorsprüngen sowie ein Verfahren zu dessen Herstellung bekannt.In the method known from EP 0 891 234 B 1, rolls are used for the deformation of a sheet metal material, which have rounded teeth on the upper side. From PCT / GB81 / 00095 a metal sheet with a plurality of protrusions and a method for its production is known.
Befestigungselemente für Bauelemente des Trockenbaus werden regelmäßig mit Schrauben fixiert, welche in bzw. durch das Blechmaterial hindurchgeschraubt werden. Wenn das Befestigungselement an der Einschraubstelle eben ausgebildet ist, ist das genaue Positionieren der Schrauben nicht immer unproblematisch, da die Schrauben beim Einsetzen, was im Normalfall mit dem Akkuschrauber geschieht, wegrutschen können. Das Vorsehen eines aus dem Stand der Technik an sich bekannten gewellten Bereiches allein würde jedoch noch nicht zu einer optimalen Handhabbarkeit des Befestigungselements führen.Fasteners for components of drywall are regularly fixed with screws, which are screwed into or through the sheet material. If the fastener is flat at the point of insertion, the exact positioning of the screws is not always unproblematic, since the screws during insertion, which normally happens with the cordless screwdriver, can slip away. However, the provision of a known from the prior art wavy region alone would not lead to an optimal handling of the fastener.
Aufgabe der vorliegenden Erfindung ist es daher, einObject of the present invention is therefore, a
Befestigungselement für Bauelemente des Trockenbaus, das besonders einfach montiert werden kann, sowie ein Verfahren zur Herstellung eines solchen Befestigungselements anzugeben.Fixing element for components of the drywall, which can be mounted very easily, and to provide a method for producing such a fastener.
Diese Aufgabe wird durch ein Befestigungselement für Bauelemente des Trockenbaus gelöst, welches ein Blechmaterial mit wenigstens einem Verbindungsabschnitt aufweist, wobei das Blechmaterial im Bereich des wenigstens einen Verbindungsabschnitts mit einer Vielzahl von Vertiefungen versehen ist, wobei die Vertiefungen durch verformte Bereiche des Blechmaterials gebildet werden, so dass die Vertiefungen auf der einen Seite des Blechmaterials Erhebungen auf der gegenüberliegenden Seite des Blechmaterials bilden, wobei die Vertiefungen jeweils wenigstens teilweise von relativ zu einer gedachten Mittellinie des Blechmaterials geneigten Gleitflächen für in bzw. durch den Verbindungsabschnitt einzubringende Verbindungsmittel umgeben sind. Die Gleitflächen erlauben dabei ein besonders einfaches Fixieren des Befestigungselements. Sofern hierfür Schrauben verwendet werden, können diese aufgrund der Wirkung der Gleitflächen in die jeweils nächste Vertiefung gleiten und dort eingeschraubt werden. Auf diese Weise können die Schrauben stets an genau definierten Positionen eingesetzt werden, ohne dass hierfür zusätzlicher Aufwand entstünde.This object is achieved by a fixing element for components of the dry construction, which comprises a sheet material having at least one connecting portion, wherein the sheet material is provided in the region of at least one connecting portion with a plurality of wells, wherein the depressions are formed by deformed portions of the sheet material, so in that the depressions on one side of the sheet metal material form elevations on the opposite side of the sheet material, wherein the depressions are each surrounded at least partially by sliding relative to an imaginary center line of the sheet material inclined sliding surfaces for to be introduced into or through the connecting portion connecting means. The sliding surfaces allow a particularly simple fixing of the fastener. If screws are used for this, they can slide due to the action of the sliding surfaces in the next recess and screwed there. In this way, the screws can always be used at precisely defined positions, without incurring additional expense.
Schrauben können dann besonders einfach eingesetzt werden, wenn die Gleitflächen jeweils einen Neigungswinkel von mehr als 5°, insbesondere von mehr als 7° zu der gedachten Mittellinie des Blechmaterials einnehmen.Screws can be used particularly easily if the sliding surfaces each occupy an angle of inclination of more than 5 °, in particular of more than 7 ° to the imaginary center line of the sheet material.
Gemäß einer besonders vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass das Blechmaterial in dem wenigstens einen Verbindungsabschnitt, abgesehen von den Vertiefungen und/ oder Erhebungen, keine zu der gedachten Mittellinie des Blechmaterials parallele Oberfläche aufweist.According to a particularly advantageous embodiment of the invention, it is provided that the sheet material in the at least one connecting portion, apart from the depressions and / or elevations, no parallel to the imaginary center line of the sheet material surface.
Erfindungsgemäß hat sich besonders bewährt, wenn der Mittelpunktsabstand zwischen den einzelnen Vertiefungen zwischen dem Dreifachen und dem Zehnfachen der Materialstärke des Blechmaterials beträgt, insbesondere zwischen dem Vierfachen und dem Sechsfachen der Materialstärke des Blechmaterials. Materialstärke meint dabei die Dicke des Blechmaterials an sich, also ohne Berücksichtigung von Erhebungen und Vertiefungen. Hierbei werden gleichzeitig eine gute Montierbarkeit des Befestigungselements und hohe Stabilitätswerte erreicht.According to the invention has proven particularly useful when the center distance between the individual wells is between three times and ten times the material thickness of the sheet material, in particular between four times and six times the material thickness of the sheet material. Material thickness means the thickness of the sheet material itself, ie without consideration of elevations and depressions. At the same time a good mountability of the fastener and high stability values are achieved.
Weiterhin hat sich bewährt, wenn die Erhebungen und die Vertiefungen auf beiden Seiten des Blechmaterials vorgesehen sind. Eine hohe Stabilität bei einer guten Montierbarkeit wird auch dadurch gefördert, dass die Erhebungen eine Höhe zwischen dem 0,8-fachen und dem 1,4-fachen der Materialstärke des Blechmaterials, gemessen von der gedachten Mittellinie des Blechmaterials, aufweisen und/ oder wenn die Vertiefungen eine Tiefe zwischen dem 0,3-fachen und dem 2,0-fachen, insbesondere zwischen dem 0,3-fachen und 1,0-fachen der Materialstärke des Blechmaterials, gemessen von der äußeren Hüllfläche des Blechmaterials, aufweisen. Die äußere Hüllfläche wird dabei durch die höchsten Punkte der Erhebungen gebildet.Furthermore, it has proven useful if the elevations and the depressions are provided on both sides of the sheet material. A high stability with good mountability is also promoted by the fact that the elevations have a height between 0.8 and 1.4 times the material thickness of the sheet material, measured from the imaginary center line of the sheet material, and / or if the Recesses have a depth between 0.3 times and 2.0 times, in particular between 0.3 times and 1.0 times the material thickness of the sheet material, measured from the outer envelope surface of the sheet material having. The outer envelope is formed by the highest points of the surveys.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass die Materialstärke des Blechmaterials zwischen 0,2 mm und 2,0 mm, insbesondere zwischen 0,3 mm und 0,8 mm, vorzugsweise zwischen 0,4 mm und 0,7 mm liegt.According to an advantageous embodiment of the invention, it is provided that the material thickness of the sheet material is between 0.2 mm and 2.0 mm, in particular between 0.3 mm and 0.8 mm, preferably between 0.4 mm and 0.7 mm.
Erfindungsgemäß kann weiterhin vorgesehen sein, dass die Gesamthöhe des verformten Blechmaterials in dem Verbindungsabschnitt zwischen dem Zweifachen und dem Dreifachen der Materialstärke des Blechmaterials beträgt. Die Gesamthöhe ist dabei, im Gegensatz zur Materialstärke, unter Berücksichtigung der ggf. auf beiden Seiten vorgesehenen Erhebungen gemessen.According to the invention, it can further be provided that the total height of the deformed sheet material in the connecting section is between twice and three times the material thickness of the sheet material. The total height is measured, in contrast to the material thickness, taking into account the possibly provided on both sides surveys.
Erfindungsgemäß kann das Befestigungselement insbesondere als C- Profil, U-Profil, L-Profil, Hutprofil, T-Profil oder Z-Profil ausgebildet sein.According to the invention, the fastening element can be designed in particular as a C profile, U profile, L profile, top hat profile, T profile or Z profile.
Die der Erfindung zugrunde liegende Aufgabe wird auch durch ein Verfahren zur Herstellung eines erfindungsgemäßen Befestigungselements gelöst, bei dem ein im wesentlichen ebenes Blechmaterial durch einen von einer erste Zähne aufweisendenThe object underlying the invention is also achieved by a method for producing a fastener according to the invention, in which a substantially planar sheet material having by one of a first teeth
Oberwalze und einer zweite Zähne aufweisenden Unterwalze gebildeten Spalt hindurchgeführt wird, um die Vertiefungen und Erhebungen sowie die geneigten Gleitflächen zu formen.Upper roll and a second teeth having lower roll formed Gap is passed to form the recesses and protrusions and the inclined sliding surfaces.
Indem die Oberwalze und/oder die Unterwalze eine Mehrzahl von nebeneinander angeordneten gezahnten Scheiben aufweist, können Vertiefungen bzw. Erhebungen in mehreren nebeneinander liegenden Reihen erzeugt werden. Derartige Oberwalzen bzw. Unterwalzen sind zudem besonders einfach und kostengünstig herstellbar, da die einzelnen gezahnten Scheiben separat bearbeitet werden können und erst am Ende zur Bildung der Ober- bzw. Unterwalze zusammengefügt werden.By having the upper roll and / or the lower roll a plurality of toothed disks arranged side by side, pits can be formed in a plurality of juxtaposed rows. Such top rollers or bottom rollers are also particularly simple and inexpensive to produce, since the individual toothed discs can be processed separately and are joined together at the end to form the top or bottom roller.
Von Vorteil ist vorgesehen, dass die gezahnten Scheiben an ihrer Umfangsseite eine Reihe der ersten bzw. zweiten Zähne aufweisen.It is advantageously provided that the toothed disks have a row of the first and second teeth on their peripheral side.
Erfindungsgemäß hat sich bewährt, wenn die Zähne jeweils vier gerade Flanken aufweisen, die insbesondere zwischen 25° und 35 °, vorzugsweise um 30° zu einer Mittelebene der Scheibe geneigt sind.According to the invention, it has proven useful if the teeth each have four straight flanks, which are inclined in particular between 25 ° and 35 °, preferably by 30 ° to a median plane of the disc.
Weiterhin kann nach der Erfindung vorgesehen sein, dass die erstenFurthermore, it can be provided according to the invention that the first
Zähne der Oberwalze und die zweiten Zähne der Unterwalze ineinander eingreifen und/oder Oberwalze und Unterwalze derart angeordnet sind, dass jeweils einer der ersten Zähne in die Mitte eines Zwischenraums zwischen jeweils zwei der zweiten Zähne ragt.Teeth of the upper roller and the second teeth of the lower roller engage with each other and / or upper roller and lower roller are arranged such that each one of the first teeth in the middle of a gap between each two of the second teeth protrudes.
Weitere Ziele, Merkmale, Vorteile und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnungen. Dabei bilden alle beschriebenen und/ oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, auch unabhängig von der Zusammenfassung in einzelnen Ansprüchen oder deren Rückbeziehung. Es zeigen:Other objects, features, advantages and applications of the present invention will become apparent from the following description of exemplary embodiments with reference to the drawings. All described and / or illustrated features alone or in any combination form the subject matter of the invention, regardless of the summary in individual claims or their dependency. Show it:
Fig. Ia: eine perspektivische Darstellung eines erfindungsgemäßen Befestigungselements nach einer ersten Ausführungsform;Fig. Ia: a perspective view of a fastener according to the invention according to a first embodiment;
Fig. Ib: eine vergrößerte Darstellung eines Querschnitts durch einen Teil des Verbindungsabschnitts des Befestigungselements aus Fig. Ia;Fig. Ib: an enlarged view of a cross section through a part of the connecting portion of the fastener of Fig. Ia;
Fig. 2: ein erfindungsgemäßes Befestigungselement nach einer weiteren Ausführungsform;2 shows an inventive fastening element according to a further embodiment;
Fig. 3: ein erfindungsgemäßes Befestigungselement nach einer weiteren Ausführungsform; Fig. 4a - c: das Einschrauben einer Schraube in einen3 shows a fastener according to the invention according to a further embodiment; Fig. 4a - c: the screwing a screw in one
Verbindungsabschnitt eines erfindungsgemäßen Befestigungselements;Connecting portion of a fastener according to the invention;
Fig. 5a: eine schematische Darstellung einer erfindungsgemäßenFig. 5a: a schematic representation of an inventive
Oberwalze und Unterwalze;Upper roll and lower roll;
Fig. 5b: ein vergrößerter Ausschnitt aus Fig. 5a; Fig. 6a: eine schematische Darstellung einer gezahnten Scheibe der Oberwalze oder Unterwalze in Draufsicht,Fig. 5b: an enlarged detail of Fig. 5a; 6a: a schematic representation of a toothed disc of the upper roller or lower roller in plan view,
Fig. 6b: die gezahnte Scheibe aus Fig. 6a im Schnitt;Fig. 6b: the toothed disc of Fig. 6a in section;
Fig. 7a: eine schematische Darstellung einer weiteren gezahntenFig. 7a: a schematic representation of another toothed
Scheibe der Oberwalze oder Unterwalze in Draufsicht; Fig. 7b: die gezahnte Scheibe aus Fig. 7a im Schnitt; Fig. 8a - c: vergrößerte Details der einzelnen Zähne der gezahntenSlice of upper roll or lower roll in top view; Fig. 7b: the toothed disc of Fig. 7a in section; Fig. 8a-c: enlarged details of the individual teeth of the toothed
Scheiben aus Fig. 6a und 7a;Discs of Figures 6a and 7a;
Fig. 9a: eine schematische vereinfachte Darstellung der Anordnung der einzelnen gezahnten Scheiben der Oberwalze und der Unterwalze; Fig. 9b: ein vergrößertes Detail aus Fig. 9a. Die Fig. Ia, 2 und 3 zeigen jeweils ein Befestigungselement 1, 1', 1" für Bauelemente des Trockenbaus. Die Befestigungselemente 1, I1, 1" bestehen jeweils aus einem profilierten Blechmaterial mit einem Bodenabschnitt 2 an dessen Enden umgebogene Schenkelabschnitte 3 vorgesehen sind. Die Schenkelabschnitte 3, welche jeweils einen Befestigungsflansch bilden, erstrecken sich dabei im Wesentlichen senkrecht zu dem Bodenabschnitt 2.Fig. 9a is a schematic simplified representation of the arrangement of the individual toothed discs of the upper roller and the lower roller; Fig. 9b: an enlarged detail of Fig. 9a. Each consist of a profiled sheet metal material having a bottom portion 2 bent at the ends of leg portions 3 provided the Fig. Ia, 2 and 3 each show a fastening element 1, 1 ', 1 "for components of the drying building. The fastening elements 1, 1, 1" are. The leg sections 3, which each form a fastening flange, extend essentially perpendicular to the bottom section 2.
Bei den in den Figuren Ia und 2 dargestellten Ausführungsformen weisen die Schenkelabschnitte 3 an ihren äußeren Enden jeweils umgebogene, nach innen weisende Streifen 4, welche Tragränder bilden auf. Solche Befestigungselemente 1, 1' werden auch als C-Profϊl bezeichnet.In the embodiments illustrated in FIGS. 1 a and 2, the leg sections 3 each have at their outer ends bent-over, inwardly facing strips 4, which form supporting edges. Such fasteners 1, 1 'are also referred to as C-Profϊl.
Das in Figur 3 dargestellte Befestigungselement 1", welches an den äußeren Enden der Schenkelabschnitte 3 keine umgebogenen Streifen aufweist, ist ein so genanntes U-Profil.The fastening element 1 "shown in Figure 3, which has no bent strips at the outer ends of the leg portions 3, is a so-called U-profile.
Die beschriebenen Befestigungselemente 1, 1', 1" können im Trockenbau als Stützkonstruktion, z.B. bei der Erstellung von Zwischenwänden, abgehängten Decken usw. verwendet werden.The described fastening elements 1, 1 ', 1 "can be used in dry construction as a supporting construction, for example in the construction of partitions, suspended ceilings, etc.
Die dargestellten Befestigungselemente 1, 1', 1" bestehen dabei aus Metall, insbesondere verzinktem Stahlblech und werden durch Umformen aus einem im Wesentlichen ebenen Blechmaterial in die dargestellten räumlichen Formen der Befestigungselemente 1, 1', 1" gebracht.The illustrated fastening elements 1, 1 ', 1 "consist of metal, in particular galvanized sheet steel and are brought by forming from a substantially planar sheet material in the illustrated spatial shapes of the fasteners 1, 1', 1".
Das Blechmaterial der Befestigungselemente 1, 1', 1" weist jeweils wenigstens einen Verbindungsabschnitt 5 auf. Bei den in den Fig. 1 und 2 dargestellten Ausführungsformen sind die beiden Schenkelabschnitte 3 als Verbindungsabschnitt 5 ausgebildet und in diesem Bereich mit einer Vielzahl von Vertiefungen 6 versehen, die durch verformte Bereiche des Blechmaterials gebildet werden. Anders als dargestellt ist es auch möglich, die Verbindungsabschnitt mit den Vertiefungen 6 nur auf einem Teil der Fläche der Schenkelabschnitte 3 vorzusehen. Bei dem in Fig. 3 dargestellten Befestigungselement 1" hingegen weisen nicht nur die Schenkelabschnitte 3, sondern auch der Bodenabschnitt 2 derartige Vertiefungen 6 auf.The sheet material of the fastening elements 1, 1 ', 1 "has in each case at least one connecting section 5. In the embodiments illustrated in FIGS. 1 and 2, the two leg sections 3 are designed as connecting sections 5 and this area provided with a plurality of recesses 6, which are formed by deformed portions of the sheet material. Other than illustrated, it is also possible to provide the connecting portion with the recesses 6 only on a part of the surface of the leg portions 3. In the case of the fastening element 1 "shown in FIG. 3, on the other hand, not only the leg sections 3 but also the bottom section 2 have such depressions 6.
Die Tatsache, dass bei den in den Figuren Ia und 2 dargestellten Befestigungselementen 1, 1' der Bodenabschnitt 2 keine punktförmigen Vertiefungen, sondern lediglich längs verlaufende Sicken 8 aufweist, bedeutet nicht, dass der Bodenabschnitt 2 zur Verbindung mit anderen Bauteilen schlechthin ungeeignet wäre. Die das Einschrauben von Verbindungsmitteln, wie z. B. Schrauben, erleichternden Vertiefungen 6 sind bei diesen beiden Ausführungsformen jedoch auf den Bereich beschränkt, in dem besonders häufig andere Bauteile festgelegt werden.The fact that in the fasteners 1, 1 'shown in Figures Ia and 2, the bottom portion 2 has no punctiform depressions, but only longitudinally extending beads 8, does not mean that the bottom portion 2 would be suitable for connection to other components par excellence. The screwing of connecting means, such. As screws, facilitating depressions 6 are limited in these two embodiments, however, to the area in which particularly often other components are defined.
Figur Ib zeigt einen vergrößerten Teilschnitt durch das Blechmaterial des in Figur Ia dargestellten Befestigungselements 1 im Bereich eines Verbindungsabschnitts 5. Insoweit bestehen jedoch keine Unterschiede zu dem in den Figuren 2 und 3 dargestellten Befestigungselementen 1' und 1". Figur Ib lässt gut erkennen, dass die Vertiefungen 6 durch verformte Bereiche des Blechmaterials gebildet werden, wobei die Vertiefungen 6 auf der einen Seite des Blechmaterials Erhebungen 7 auf der gegenüberliegenden Seite des Blechmaterials bilden.FIG. 1 b shows an enlarged partial section through the sheet metal material of the fastening element 1 shown in FIG. 1 a in the region of a connecting section 5. In this respect, however, there are no differences from the fastening elements 1 'and 1 "illustrated in FIGS. 2 and 3. FIG the depressions 6 are formed by deformed regions of the sheet material, wherein the depressions 6 on one side of the sheet material form elevations 7 on the opposite side of the sheet material.
Dabei sind die Vertiefungen 6 jeweils wenigstens teilweise von relativ zu einer gedachten Mittellinie M des Blechmaterials geneigten Gleitflächen 9 für in bzw. durch den Verbindungsabschnitt 5 einzubringende Verbindungsmittel umgeben. Die Gleitflächen 9 weisen dabei einen Neigungswinkel N von mehr als 5 Grad, insbesondere von mehr als 7 Grad zu der gedachten Mittellinie M des Blechmaterials auf. Entsprechend bilden sich um die Vertiefung 6 herum Bereiche, welche zu der jeweiligen Vertiefung 6 hinführen. Schrauben können daher, wie unten genauer beschrieben, auf den Gleitflächen 9 zu den Vertiefungen 6 gleiten.The recesses 6 are each surrounded at least partially by relative to an imaginary center line M of the sheet material inclined sliding surfaces 9 for in or through the connecting portion 5 to be introduced connecting means. The sliding surfaces 9 in this case have an angle of inclination N of more than 5 degrees, in particular of more than 7 Degrees to the imaginary center line M of the sheet material. Correspondingly, regions which lead to the respective depression 6 form around the depression 6. Screws can therefore, as described in more detail below, slide on the sliding surfaces 9 to the recesses 6.
In Figur Ib ist weiterhin gut erkennbar, dass die Erhebungen 7 und die Vertiefungen 6 auf beiden Seiten des Blechmaterials ausgeformt sind. In den Figuren Ia und 3 sind dabei die Erhebungen 7 durch kleine Kreise und die Vertiefungen 6 durch kleine Rauten symbolisiert.It can also be clearly seen in FIG. 1b that the elevations 7 and the depressions 6 are formed on both sides of the sheet material. In FIGS. 1a and 3, the elevations 7 are symbolized by small circles and the depressions 6 by small diamonds.
Der Mittelpunktabstand A zwischen den einzelnen Vertiefungen 6 beträgt erfindungsgemäß vorzugsweise zwischen dem dreifachen und dem zehnfachen der Materialstärke S des Blechmaterials, insbesondere zwischen dem vierfachen und dem sechsfachen der Materialstärke S. Sind die Vertiefungen 6, wie dargestellt, auf beiden Seiten des Verbindungsabschnitts 5 ausgeformt, so wird der Mittelpunktsabstand A jeweils zwischen benachbarten Vertiefungen 6 herangezogen, unabhängig davon, auf welcher Seite des Blechmaterials die jeweilige Vertiefung 6 ausgebildet ist.According to the invention, the center distance A between the individual depressions 6 is preferably between three times and ten times the material thickness S of the sheet material, in particular between four times and six times the material thickness S. If the depressions 6 are formed on both sides of the connecting portion 5, as illustrated, Thus, the center distance A is used in each case between adjacent recesses 6, regardless of on which side of the sheet material, the respective recess 6 is formed.
Die Erhebungen 7 weisen vorzugsweise eine Höhe H zwischen dem 0,8- fachen und dem 1 , 4-fachen der Materialstärke S des Blechmaterials auf, gemessen von der gedachten Mittellinie M des Blechmaterials.The elevations 7 preferably have a height H between 0.8 times and 1.4 times the material thickness S of the sheet material, measured from the imaginary center line M of the sheet material.
Für die Vertiefungen 6 gilt, dass diese eine Tiefe T zwischen dem 0,3- fachen und dem 2,0-fachen, insbesondere zwischen dem 0,3-fachen und dem 1,0-fachen der Materialstärke S des Blechmaterials, gemessen von der äußeren Hüllfläche F des Blechmaterials, aufweisen. Die äußere Hüllfläche F wird durch die höchsten Punkte der jeweiligen Erhebungen 7 gebildet. Die Materialstärke S des Blechmaterials beträgt vorteilhafterweise zwischen 0,2 mm und 1,0 mm, insbesondere zwischen 0,3 mm und 0,8 mm, vorzugsweise zwischen 0,4 mm und 0,7 mm.For the depressions 6, these have a depth T between 0.3 times and 2.0 times, in particular between 0.3 times and 1.0 times, the material thickness S of the sheet material, measured from the outer envelope surface F of the sheet material having. The outer envelope surface F is formed by the highest points of the respective elevations 7. The material thickness S of the sheet material is advantageously between 0.2 mm and 1.0 mm, in particular between 0.3 mm and 0.8 mm, preferably between 0.4 mm and 0.7 mm.
Dabei wirken sich die Vertiefungen 6 und Erhebungen 7 stabilitätserhöhend aus. Dies bedeutet, dass das Befestigungselement bei gleicher Materialstärke eine deutlich höhere Belastbarkeit aufweist im Vergleich mit herkömmlichen Befestigungselementen. Dies ermöglicht es, die Materialstärke S des Blechmaterials und damit auch die Herstellungskosten zu reduzieren und dennoch eine hohe Belastbarkeit zu erreichen.In this case, the depressions 6 and elevations 7 have a stabilizing effect. This means that the fastener has a much higher load capacity with the same material thickness compared with conventional fasteners. This makes it possible to reduce the material thickness S of the sheet material and thus also the production costs and still achieve a high load capacity.
Die Vertiefungen 6 und Erhebungen 7 sind so ausgebildet, dass die Gesamthöhe des verformten Blechmaterials in demThe recesses 6 and elevations 7 are formed so that the total height of the deformed sheet material in the
Verbindungsabschnitt 5 zwischen dem zweifachen und dem dreifachen der Materialstärke S des Blechmaterials beträgt.Connecting portion 5 is between twice and three times the material thickness S of the sheet material.
Die Figuren 4a, 4b und 4c verdeutlichen die vorteilhafte Wirkung der Gleitflächen 9. Wird, wie in Figur 4a dargestellt, eine Schraube 10, von der nur die Spitze dargestellt ist, auf den Verbindungsabschnitt aufgesetzt, so gleitet diese aufgrund der Wirkung der geneigten Gleitflächen 9 auf einfache Weise zu der nächstgelegenen Vertiefung 6 und kommt hier in eindeutig definierter Lage zu liegen. Dies ist in Fig. 4b dargestellt. Jetzt kann die Schraube 10 mit ihrer Spitze in das durchgehende Blechmaterial eingeschraubt werden (Fig. 4c). Die Vertiefung 6 verhindert dabei, dass die Schraube 10 beim Einschrauben verrutscht. Auf diese Weise können Schrauben 10 besonders schnell und dennoch punktgenau in den Verbindungsabschnitt 5 eingeschraubt werden. Bei der Herstellung der Befestigungselemente 1, 1', 1" wird ein im Wesentlichen ebenes Blechmaterial 15 durch einen von einer erste Zähne 11 aufweisenden Oberwalze 12 und einer zweite Zähne 13 aufweisenden Unterwalze 14 gebildeten Spalt hindurchgeführt. Dies ist gut in Figur 5a und dem in Figur 5b dargestellten vergrößerten4a, 4b and 4c illustrate the advantageous effect of the sliding surfaces 9. If, as shown in Figure 4a, a screw 10, of which only the tip is shown, placed on the connecting portion, this slides due to the action of the inclined sliding surfaces. 9 in a simple way to the nearest well 6 and comes here to lie in a well-defined position. This is shown in Fig. 4b. Now the screw 10 can be screwed with its tip in the continuous sheet material (Fig. 4c). The recess 6 prevents that the screw 10 slips when screwing. In this way, screws 10 can be screwed into the connecting section 5 particularly quickly and nevertheless accurately. In the manufacture of the fastening elements 1, 1 ', 1 ", a substantially flat sheet metal material 15 is passed through a nip formed by a first teeth 11 and a lower roll 14 having second teeth 13. This is good in FIG Figure 5b shown enlarged
Ausschnitt dargestellt. Hier ist gut zu erkennen, wie das von der linken Seite zugeführte ebene Blechmaterial 15 unter Wirkung der vorstehenden und ineinander greifenden ersten und zweiten Zähne 11 , 13 verformt wird und sich entsprechend die Vertiefungen 6 und Erhebungen 7 ausbilden. Jede Zahnspitze hinterlässt einen deutlichen Abdruck auf dem Blechmaterial 15, wodurch die Vertiefungen 6 in der Oberfläche des Stahlblechs gebildet werden.Section shown. Here it is easy to see how the flat sheet material 15 supplied from the left side is deformed under the effect of the protruding and interlocking first and second teeth 11, 13 and the recesses 6 and elevations 7 form correspondingly. Each tooth tip leaves a distinct impression on the sheet material 15, whereby the recesses 6 are formed in the surface of the steel sheet.
Das entsprechend bearbeitete Blechmaterial 15 kann dann in nachfolgenden, nicht dargestellten Schritten umgeformt werden, z. B. zu einem in den Figuren Ia und 2 dargestellten C-Profil oder zu dem in Figur 3 dargestellten U-Profil.The correspondingly processed sheet material 15 can then be transformed into subsequent steps, not shown, for. B. to a C-profile shown in Figures Ia and 2 or to the U-profile shown in Figure 3.
Die Oberwalze 12 und die Unterwalze 14 weisen dabei jeweils eine Mehrzahl von nebeneinander angeordneten gezahnten Scheiben 16, 17 auf, welche in den Fig. 6a, 6b, 7a, 7b und 8a - c näher dargestellt sind. Jede der gezahnten Scheiben 16, 17 weist an ihrer Außenseite eine Reihe von über den Umfang gleichmäßig verteilt angeordneten Zähnen auf. Jeder Zahn weist eine ebene, im Wesentlichen quadratische Zahnspitze 18 auf, wobei die Seitenlänge des Quadrats bei der dargestellten Ausführungsform 0,4 mm beträgt. Zudem weist jeder Zahn vier ebene Flanken 19 auf, wobei der Winkel zwischen zwei gegenüberliegenden Flanken bei der dargestellten Ausführungsform etwa 60°Grad beträgt (vgl. Figuren 8a und 8c). Dementsprechend beträgt der Winkel zwischen den Flanken 19 und der Mittelebene M der gezahnten Scheiben 16, 17 30 Grad. Die gezahnten Scheiben 16 und 17 weisen jeweils in ihrer Mitte einen Hohlraum 20 zur Aufnahme einer nicht dargestellten Antriebswelle auf. Zur Erzeugung eines Formschlusses zwischen Antriebswelle und den gezahnten Scheiben 16, 17 sind in diesen Passfedernuten 21 ausgebildet.The top roller 12 and the bottom roller 14 each have a plurality of juxtaposed toothed discs 16, 17, which are shown in more detail in FIGS. 6a, 6b, 7a, 7b and 8a-c. Each of the toothed discs 16, 17 has on its outside a number of uniformly distributed over the circumference arranged teeth. Each tooth has a flat, substantially square tooth tip 18, the side length of the square being 0.4 mm in the illustrated embodiment. In addition, each tooth has four flat flanks 19, wherein the angle between two opposite flanks in the illustrated embodiment is about 60 ° degrees (see Figures 8a and 8c). Accordingly, the angle between the flanks 19 and the median plane M of the toothed discs 16, 17 is 30 degrees. The toothed discs 16 and 17 each have in their center a cavity 20 for receiving a drive shaft, not shown. To produce a positive connection between the drive shaft and the toothed discs 16, 17 are formed in this keyways 21.
Die in Figuren 6a und 7a dargestellten gezahnten Scheiben 16, 17 sind untereinander weitgehend identisch ausgebildet. Ein Unterschied besteht jedoch dahingehend, dass die an dem Umfang vorgesehenen Zähne relativ zu der in dem Hohlraum 20 ausgebildeten Paßfedernut 21 um eine halbe Zahnteilung zueinander versetzt sind.The toothed disks 16, 17 shown in FIGS. 6a and 7a are substantially identical to one another. However, there is a difference in that the teeth provided on the circumference are offset from each other by half a tooth pitch relative to the keyway 21 formed in the cavity 20.
Figur 9a verdeutlicht schematisch, wie die einzelnen gezahnten Scheiben 16, 17 zu der jeweiligen Oberwalze 12 bzw. Unterwalze 14 zusammengefügt sind.FIG. 9a illustrates schematically how the individual toothed discs 16, 17 are joined together to form the respective top roller 12 and bottom roller 14, respectively.
In Figur 9a sind die Oberwalze 12 und die Unterwalze 14 nur schematisch und im Ausschnitt dargestellt. So ist mit der Linie 22 die Lage der Drehachse der Oberwalze 12 und mit Linie 23 die Lage der Drehachse der Unterwalze 14 angedeutet. Von der Oberwalze 12 ist dabei nur die untere Hälfte und von der Unterwalze 14 nur die obere Hälfte skizziert. Die Zeichnung verdeutlicht jedoch, dass sowohl auf der Unterwalze 14 als auch auf der Oberwalze 12 die gezahnten Scheiben 16 und 17 im Wechsel angeordnet sind. Dies bedeutet, dass sich neben einer gezahnten Scheibe 16 eine gezahnte Scheibe 17 befindet und umgekehrt. Hieraus resultiert, dass die Zahnreihen der einzelnen Scheiben 16, 17 jeweils um eine halbe Zahnteilung zueinander versetzt sind, mithin die Zähne von Ober- und Unterwalze 12, 14 in diagonalen Reihen angeordnet sind.In Figure 9a, the upper roller 12 and the lower roller 14 are shown only schematically and in detail. Thus, with the line 22, the position of the axis of rotation of the upper roller 12 and with line 23, the position of the axis of rotation of the lower roller 14 is indicated. Of the upper roller 12 while only the lower half and of the lower roller 14, only the upper half is outlined. The drawing illustrates, however, that both the lower roller 14 and on the upper roller 12, the toothed discs 16 and 17 are arranged in alternation. This means that next to a toothed disc 16 is a toothed disc 17 and vice versa. As a result, the rows of teeth of the individual discs 16, 17 are offset from each other by half a pitch, thus the teeth of the upper and lower rollers 12, 14 are arranged in diagonal rows.
Die Oberwalze 12 und die Unterwalze 14 weisen zudem mehrere Distanzstücke D auf. Diese ermöglichen es, das Blechmaterial zwischen Ober- und Unterwalze 12, 14 hindurchzuführen, ohne dass das Blechmaterial in den durch die Distanzstücke gebildeten Bereichen verformt wird.The upper roller 12 and the lower roller 14 also have a plurality of spacers D. These allow the sheet material between Upper and lower rollers 12, 14 pass without the sheet material is deformed in the areas formed by the spacers.
Die Oberwalze 12 und die Unterwalze 14 werden jeweils durchThe top roller 12 and the bottom roller 14 are each through
Zahnräder synchron angetrieben, wie dies in Figur 9a angedeutet ist.Gear wheels driven synchronously, as indicated in Figure 9a.
Wie Figur 9b entnommen werden kann, sind die gezahnten Scheiben 16, 17 der Oberwalze 12 dabei zu den gezahnten Scheiben 16, 17 der Unterwalze 14 ohne axialen Versatz angeordnet. Entsprechend ragen die Zahnspitzen der gezahnten Scheiben 16, 17 der Oberwalze 12 jeweils in die Mitte des Zahnzwischenraums zwischen zwei Zähnen der gezahnten Scheiben 16, 17 der Unterwalze 14. As can be seen from Figure 9b, the toothed discs 16, 17 of the top roller 12 are arranged to the toothed discs 16, 17 of the lower roller 14 without axial displacement. Accordingly, the tooth tips of the toothed discs 16, 17 of the upper roller 12 each protrude into the middle of the interdental space between two teeth of the toothed discs 16, 17 of the lower roller 14.
Bezugszeichenliste :List of reference numbers:
i r l " Befestigungselementi r l "Fastening element
2 Bodenabschnitt2 floor section
3 Schenkelabschnitt3 leg section
4 Streifen4 stripes
5 Verbindungsabschnitt5 connection section
6 Vertiefung6 deepening
7 Erhebung7 survey
8 Sicke8 bead
9 Gleitfläche9 sliding surface
10 Schraube10 screw
11 erste Zähne11 first teeth
12 Oberwalze12 top roller
13 zweite Zähne13 second teeth
14 Unterwalze14 bottom roller
15 Blechmaterial15 sheet metal
16 gezahnte Scheibe16 toothed disc
17 gezahnte Scheibe17 toothed disc
18 Zahn spitze18 tooth tip
19 Flanke19 flank
20 Hohlraum20 cavity
21 Passfedernut21 keyway
22 Drehachse22 axis of rotation
23 Drehachse23 axis of rotation
M MittellinieM midline
N NeigungswinkelN tilt angle
A MittelpunktsabstandA center distance
S MaterialstärkeS material thickness
H HöheH height
D Distanzstück T TiefeD spacer T depth
F Hüllfläche F envelope surface

Claims

Patentansprüche claims
1. Befestigungselement ( 1 , 1', 1") für Bauelemente des Trockenbaus, welches ein Blechmaterial (15) mit wenigstens einem1. fastening element (1, 1 ', 1 ") for components of dry construction, which comprises a sheet metal material (15) with at least one
Verbindungsabschnitt (5) aufweist, wobei das Blechmaterial (15) im Bereich des wenigstens einen Verbindungsabschnitts (5) mit einer Vielzahl von Vertiefungen (6) versehen ist, wobei die Vertiefungen (6) durch verformte Bereiche des Blechmaterials (15) gebildet werden, so dass die Vertiefungen (6) auf der einen Seite des BlechmaterialsConnecting portion (5), wherein the sheet material (15) in the region of the at least one connecting portion (5) having a plurality of recesses (6), wherein the recesses (6) by deformed portions of the sheet material (15) are formed, so that the recesses (6) on one side of the sheet material
Erhebungen (7) auf der gegenüberliegenden Seite des Blechmaterials (15) bilden, dadurch gekennzeichnet, dass die Vertiefungen (6) jeweils wenigstens teilweise von relativ zu einer gedachten Mittellinie (M) des Blechmaterials (15) geneigten Gleitflächen (9) für in bzw. durch den Verbindungsabschnitt (5) einzubringende Verbindungsmittel umgeben sind.Form elevations (7) on the opposite side of the sheet material (15), characterized in that the recesses (6) each at least partially relative to an imaginary center line (M) of the sheet material (15) inclined sliding surfaces (9) for in or surrounded by the connecting portion (5) to be introduced connecting means.
2. Befestigungselement nach Anspruch 1, dadurch gekennzeichnet, dass die Gleitflächen (9) jeweils einen Neigungswinkel (N) von mehr als 5°, insbesondere von mehr als 7° zu der gedachten Mittellinie (M) des Blechmaterials (15) einnehmen.2. Fastening element according to claim 1, characterized in that the sliding surfaces (9) each have an inclination angle (N) of more than 5 °, in particular of more than 7 ° to the imaginary center line (M) of the sheet material (15) occupy.
3. Befestigungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Blechmaterial (15) in dem wenigstens einen Verbindungsabschnitt (5), abgesehen von den Vertiefungen (6) und /oder Erhebungen (7), keine zu der gedachten Mittellinie (M) des Blechmaterials (15) parallele Oberfläche aufweist.3. Fastening element according to claim 1 or 2, characterized in that the sheet material (15) in the at least one connecting portion (5), apart from the recesses (6) and / or elevations (7), none to the imaginary center line (M) of the sheet material (15) has a parallel surface.
4. Befestigungselement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Mittelpunktsabstand (A) zwischen den einzelnen Vertiefungen (6) zwischen dem Dreifachen und dem Zehnfachen der Materialstärke (S) des Blechmaterials (15) beträgt, insbesondere zwischen dem Vierfachen und dem Sechsfachen der Materialstärke (S) des Blechmaterials (15).4. Fastening element according to one of claims 1 to 3, characterized in that the center distance (A) between the individual recesses (6) is between three times and ten times the material thickness (S) of the sheet material (15), in particular between four times and six times the material thickness (S) of the sheet material (15).
5. Befestigungselement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Erhebungen (7) und die Vertiefungen (6) auf beiden Seiten des Blechmaterials (15) vorgesehen sind.5. Fastening element according to one of claims 1 to 4, characterized in that the elevations (7) and the recesses (6) on both sides of the sheet material (15) are provided.
6. Befestigungselement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Erhebungen (7) eine Höhe (H) zwischen dem 0,8-fachen und dem 1,4-fachen der Materialstärke (S) des6. Fastening element according to one of claims 1 to 5, characterized in that the elevations (7) has a height (H) between 0.8 times and 1.4 times the material thickness (S) of the
Blechmaterials (15), gemessen von der gedachten Mittellinie (M) des Blechmaterials (15), aufweisen.Sheet metal material (15), measured from the imaginary center line (M) of the sheet material (15) have.
7. Befestigungselement nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Vertiefungen (6) eine Tiefe (T) zwischen dem7. Fastening element according to one of claims 1 to 6, characterized in that the recesses (6) has a depth (T) between the
0,3-fachen und dem 2,0-fachen, insbesondere zwischen dem 0,3- fachen und 1,0-fachen der Materialstärke (S) des Blechmaterials (15), gemessen von der äußeren Hüllfläche (F) des Blechmaterials, aufweisen.0.3 times and 2.0 times, in particular between 0.3 times and 1.0 times, the material thickness (S) of the sheet material (15) measured from the outer envelope surface (F) of the sheet material ,
8. Befestigungselement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Materialstärke (S) des Blechmaterials (15) zwischen 0,2 mm und 2,0 mm, insbesondere zwischen 0,3 mm und 0,8 mm, vorzugsweise zwischen 0,4 mm und 0,7 mm liegt.8. Fastening element according to one of claims 1 to 7, characterized in that the material thickness (S) of the sheet material (15) between 0.2 mm and 2.0 mm, in particular between 0.3 mm and 0.8 mm, preferably between 0.4 mm and 0.7 mm.
9. Befestigungselement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Gesamthöhe des verformten Blechmaterials in dem Verbindungsabschnitt (5) zwischen dem Zweifachen und dem Dreifachen der Materialstärke (S) des Blechmaterials (15) beträgt. 9. Fastening element according to one of claims 1 to 8, characterized in that the total height of the deformed sheet material in the connecting portion (5) is between twice and three times the material thickness (S) of the sheet material (15).
10. Befestigungselement nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Befestigungselement (1, 1', 1") als C-Profil, U- Profil, L-Profil, Hutprofil, T-Profil oderZ-Profil ausgebildet ist.10. Fastening element according to one of claims 1 to 9, characterized in that the fastening element (1, 1 ', 1 ") as a C-profile, U-profile, L-profile, hat profile, T-profile or Z-profile is formed.
11. Verfahren zur Herstellung eines Befestigungselements nach einem der Ansprüche 1 bis 10, wobei ein im wesentlichen ebenes Blechmaterial (15) durch einen von einer erste Zähne (11) aufweisenden Oberwalze (12) und einer zweite Zähne (13) aufweisenden Unterwalze (14) gebildeten Spalt hindurchgeführt wird, um die Vertiefungen (6) und Erhebungen (7) sowie die geneigten Gleitflächen (9) zu formen.11. A method for producing a fastener according to any one of claims 1 to 10, wherein a substantially planar sheet material (15) by one of a first teeth (11) having upper roller (12) and a second teeth (13) having lower roller (14) formed gap is formed to form the recesses (6) and elevations (7) and the inclined sliding surfaces (9).
12. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass die Oberwalze (12) und/ oder die Unterwalze (14) eine Mehrzahl von nebeneinander angeordneten gezahnten Scheiben (16, 17) aufweisen.12. The method according to claim 11, characterized in that the upper roller (12) and / or the lower roller (14) has a plurality of juxtaposed toothed discs (16, 17).
13. Verfahren nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass die gezahnten Scheiben (16, 17) an ihrer Umfangsseite eine Reihe der ersten bzw. zweiten Zähne (11, 13) aufweist.13. The method according to claim 11 or 12, characterized in that the toothed discs (16, 17) on its peripheral side a number of the first and second teeth (11, 13).
14. Verfahren nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass die Zähne (11, 13) jeweils vier gerade Flanken (19) aufweisen, die insbesondere zwischen 25° und 35 °, vorzugsweise um 30° zu einer Mittelebene (E) der gezahnten Scheibe (16, 17) geneigt sind.14. The method according to any one of claims 11 to 13, characterized in that the teeth (11, 13) each have four straight edges (19), in particular between 25 ° and 35 °, preferably by 30 ° to a median plane (E) the toothed disc (16, 17) are inclined.
15. Verfahren nach einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass die ersten Zähne (11) der Oberwalze (12) und die zweiten Zähne (13) der Unterwalze (14) ineinander eingreifen.15. The method according to any one of claims 11 to 14, characterized in that the first teeth (11) of the upper roller (12) and the second teeth (13) of the lower roller (14) engage with each other.
16. Verfahren nach einem der Ansprüche 11 bis 15, dadurch gekennzeichnet, dass Oberwalze (12) und Unterwalze (14) derart angeordnet sind, dass jeweils einer der ersten Zähne (11) in die Mitte eines Zwischenraums zwischen jeweils zwei der zweiten Zähne (13) ragt. 16. The method according to any one of claims 11 to 15, characterized in that the upper roller (12) and lower roller (14) in such a way are arranged, that in each case one of the first teeth (11) in the middle of a gap between each two of the second teeth (13) protrudes.
EP07724828A 2006-05-08 2007-05-03 Fastening element for dry construction elements, and method for the production of such a fastening element Active EP2015879B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200730422T SI2015879T1 (en) 2006-05-08 2007-05-03 Fastening element for dry construction elements, and method for the production of such a fastening element
PL07724828T PL2015879T3 (en) 2006-05-08 2007-05-03 Fastening element for dry construction elements, and method for the production of such a fastening element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006021556A DE102006021556A1 (en) 2006-05-08 2006-05-08 Fixing element for a dry construction comprises recesses each partially surrounded by sliding surfaces which are inclined relative to the imaginary middle line of a sheet metal material
PCT/EP2007/003902 WO2007128490A1 (en) 2006-05-08 2007-05-03 Fastening element for dry construction elements, and method for the production of such a fastening element

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EP2015879A1 true EP2015879A1 (en) 2009-01-21
EP2015879B1 EP2015879B1 (en) 2010-08-25

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US (2) US8028495B2 (en)
EP (1) EP2015879B1 (en)
JP (1) JP2009536098A (en)
CN (1) CN101437633B (en)
AT (1) ATE478742T1 (en)
CA (1) CA2650885C (en)
DE (2) DE102006021556A1 (en)
DK (1) DK2015879T3 (en)
EA (1) EA014036B1 (en)
ES (1) ES2351770T3 (en)
HR (1) HRP20100643T1 (en)
IL (1) IL195023A (en)
ME (1) ME00388B (en)
PL (1) PL2015879T3 (en)
PT (1) PT2015879E (en)
RS (1) RS51520B (en)
SI (1) SI2015879T1 (en)
UA (1) UA95633C2 (en)
WO (1) WO2007128490A1 (en)

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CN101437633A (en) 2009-05-20
ATE478742T1 (en) 2010-09-15
CA2650885A1 (en) 2007-11-15
MEP61708A (en) 2011-05-10
PT2015879E (en) 2010-11-29
US20090090081A1 (en) 2009-04-09
CN101437633B (en) 2011-06-22
SI2015879T1 (en) 2010-12-31
US8028495B2 (en) 2011-10-04
DE502007004866D1 (en) 2010-10-07
DK2015879T3 (en) 2011-01-03
EP2015879B1 (en) 2010-08-25
US20110296897A1 (en) 2011-12-08
ES2351770T3 (en) 2011-02-10
US8176633B2 (en) 2012-05-15
EA014036B1 (en) 2010-08-30
PL2015879T3 (en) 2011-02-28
HRP20100643T1 (en) 2010-12-31
CA2650885C (en) 2013-01-08
UA95633C2 (en) 2011-08-25
DE102006021556A1 (en) 2007-07-26
IL195023A0 (en) 2009-08-03
EA200802292A1 (en) 2009-06-30
WO2007128490A1 (en) 2007-11-15
ME00388B (en) 2011-10-10
JP2009536098A (en) 2009-10-08
RS51520B (en) 2011-06-30

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