EP1332809A2 - T-profile in sheet metal - Google Patents

T-profile in sheet metal Download PDF

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Publication number
EP1332809A2
EP1332809A2 EP03001941A EP03001941A EP1332809A2 EP 1332809 A2 EP1332809 A2 EP 1332809A2 EP 03001941 A EP03001941 A EP 03001941A EP 03001941 A EP03001941 A EP 03001941A EP 1332809 A2 EP1332809 A2 EP 1332809A2
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EP
European Patent Office
Prior art keywords
profile
sheet metal
clinching
rows
metal layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03001941A
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German (de)
French (fr)
Other versions
EP1332809A3 (en
Inventor
Jean Alfons 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
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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.)
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Publication date
Application filed by Richter System GmbH and Co KG filed Critical Richter System GmbH and Co KG
Publication of EP1332809A2 publication Critical patent/EP1332809A2/en
Publication of EP1332809A3 publication Critical patent/EP1332809A3/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/065—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section
    • E04B9/067—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section with inverted T-shaped cross-section
    • E04B9/068—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section with inverted T-shaped cross-section with double web
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/12—Connections between non-parallel members of the supporting construction
    • E04B9/122—Connections between non-parallel members of the supporting construction one member passing through the other member, both members laying at least partly in the same plane

Definitions

  • the invention relates to a T-profile made of one piece Cutting from sheet metal with a hollow bead on top, the in one of two sheet metal layers lying on top of each other formed profile web merges, the two sheet metal layers of the profile web at its lower edges in outwards opposite angled horizontal directions Skip profile flanges.
  • T-profiles are widely used in particular for suspended ceilings to form a grid used.
  • the horizontally angled Profile flanges of the T-profile s the contact surfaces for the Insert cassettes filling the grid.
  • the object of the invention is a T-profile of the beginning mentioned genus so that without a Increasing the sheet thickness further stiffening the T-profile and thus an increase in its load-bearing capacity is achieved.
  • the clinching provides a shear-resistant Connection of the two sheet layers.
  • a shear stress between these two sheet layers occurs at horizontal acting bending forces. If you take into account that even if the T-profile is overloaded vertically lateral deflection of the profile web or the entire T-profile occurs, it is understandable that a Stiffening of the T-profile compared to horizontal Bending stresses through a shear-resistant connection of the the sheet capacity of the T-profile also in vertical direction significantly improved.
  • those formed by the clinching Junctions in adjacent rows against each other offset to achieve a favorable distribution.
  • the T-profile 1 shown in Fig. 1 consists of a one-piece cut from sheet metal. At both ends insertion tongues 2 are formed for connection to serve the same neighboring T-profiles.
  • the T-profile 1 is used, for example, as a lattice bar of a supporting grid suspended suspended ceiling used.
  • An overlying hollow bead 3 goes down into one Profile web 4 over that of two superimposed Sheet metal layers 4a, 4b is formed.
  • the two sheet layers 4a, 4b go in to the outside opposite angled horizontal directions Profile flanges 5 over.
  • a sheet metal strip 6 At the bottom of the profile flanges 5 is a sheet metal strip 6, the two edges 6a around the outer edges of the profile flanges 5 are folded.
  • FIG. 3 and 4 is another embodiment of a T-profile 1 'shown that in its cross-sectional design (Fig. 4) is constructed similarly to the T-profile 1 according to the 1 and 2. It differs essentially from this in that those formed by clinching Junctions 7 and 7 'are arranged in two rows, the junctions 7 and 7 'in the two neighboring rows are offset from each other.
  • T profiles 1 and 1 'shown can for example as main profiles in the supporting grid of suspended ceilings be used.
  • T-profile 1 can also be act a cross section between the main profiles 1 'according to 3 and 4 is arranged and with its tongue 2 is inserted through punched-out window 8.

Abstract

A T-section is made from a one-piece sheet metal blank with an upper lying hollow thickening which changes into two profiled webs (4) formed from two abutting sheet metal layers which are interconnected by clinching at several connecting points (7) distributed over the profile's length. The connecting points formed by clinching may be in one, two or three rows, and may be offset in relation to each other in the rows.

Description

Die Erfindung betrifft ein T-Profil aus einem einstückigen Zuschnitt aus Blech mit einem oben liegenden Hohlwulst, der in einen aus zwei aufeinanderliegenden Blechlagen gebildeten Profilsteg übergeht, wobei die beiden Blechlagen des Profilstegs an ihren unteren Rändern in nach außen in entgegengesetzten Richtungen abgewinkelte horizontale Profilflansche übergehen.The invention relates to a T-profile made of one piece Cutting from sheet metal with a hollow bead on top, the in one of two sheet metal layers lying on top of each other formed profile web merges, the two sheet metal layers of the profile web at its lower edges in outwards opposite angled horizontal directions Skip profile flanges.

Derartige T-Profile werden in weitem Umfang insbesondere bei abgehängten Unterdecken zur Bildung eines Rastergitters eingesetzt. Dabei bilden die horizontal abgewinkelten Profilflansche der T-Profile die Auflageflächen für die Felder des Gitters füllende Einlegekassetten.Such T-profiles are widely used in particular for suspended ceilings to form a grid used. The horizontally angled Profile flanges of the T-profiles the contact surfaces for the Insert cassettes filling the grid.

Zur Gewichts- und Materialersparnis ist man bestrebt, für die Herstellung der jeweils aus einem einstückigen Zuschnitt bestehenden T-Profile möglichst dünnes Blech zu verwenden. Der horizontale Zusammenhalt der beiden Profilhälften wird dort im Bereich der horizontalen Profilflansche durch einen die sichtbare Profilunterseite bildenden zusätzlichen Blechstreifen bewirkt, der um die beiden äußeren Ränder der Profilflansche gefalzt ist.In order to save weight and material, one strives for the manufacture of each one piece Cut existing T-profiles as thin as possible use. The horizontal cohesion of the two Profile halves are there in the area of horizontal Profile flanges through a visible profile underside forming additional sheet metal strip, which around the the outer flanges of the profile flanges are folded.

Aufgabe der Erfindung ist es, ein T-Profil der eingangs genannten Gattung so auszubilden, dass ohne eine Vergrößerung der Blechdicke eine weitere Versteifung des T-Profils und damit eine Erhöhung seiner Tragfähigkeit erreicht wird.The object of the invention is a T-profile of the beginning mentioned genus so that without a Increasing the sheet thickness further stiffening the T-profile and thus an increase in its load-bearing capacity is achieved.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die beiden Blechlagen des Profilstegs an mehreren, über die Länge des T-Profils verteilten Verbindungsstellen durch Clinchung miteinander verbunden sind.This object is achieved in that the two sheet metal layers of the profile web on several, over the Length of the T-profile distributed connection points Clinchung are interconnected.

Durch diese in einfacher Weise beim Herstellungsvorgang des T-Profils durchzuführende Verbindung der beiden Blechlagen des Profilstegs an mehreren Stellen wird verhindert, dass sich diese beiden Blechlagen bei hoher Belastung des T-Profils voneinander lösen. Damit wird weitestgehend der Versagensfall vermieden, bei dem es zu einem Beulknicken der einzelnen, den Profilsteg bildenden Blechlagen kommt.Through this in a simple manner during the manufacturing process of T-profile connection between the two sheet layers of the profile web in several places is prevented these two sheet layers with high load on the T-profile separate from each other. This will largely be the Failure avoided, where there is a buckling of the individual sheet layers forming the profile web.

Darüber hinaus bewirken die Clinchungen eine schubfeste Verbindung der beiden Blechlagen. Eine Schubbeanspruchung zwischen diesen beiden Blechlagen tritt bei horizontal wirkenden Biegekräften auf. Wenn man berücksichtigt, dass auch bei einer vertikalen Überlastung des T-Profils ein seitliches Ausweichen des Profilstegs oder des gesamten T-Profils auftritt, so wird verständlich, dass eine Versteifung des T-Profils gegenüber horizontalen Biegebeanspruchungen durch eine schubfeste Verbindung der beiden Blechlagen die Belastbarkeit des T-Profils auch in vertikaler Richtung erheblich verbessert.In addition, the clinching provides a shear-resistant Connection of the two sheet layers. A shear stress between these two sheet layers occurs at horizontal acting bending forces. If you take into account that even if the T-profile is overloaded vertically lateral deflection of the profile web or the entire T-profile occurs, it is understandable that a Stiffening of the T-profile compared to horizontal Bending stresses through a shear-resistant connection of the the sheet capacity of the T-profile also in vertical direction significantly improved.

Diese erfindungsgemäßen Vorteile werden bereits dadurch erreicht, dass die durch Clinchung gebildeten Verbindungsstellen einreihig angeordnet sind. Die Herstellung einer solchen einreihigen Clinchung ist fertigungstechnisch besonders einfach.These advantages according to the invention are already thereby achieved that formed by clinching Connection points are arranged in a row. The Production of such a single row clinching is production-technically particularly simple.

Eine noch bessere Versteifung des T-Profils kann in Weiterbildung des Erfindungsgedankens dadurch erreicht werden, dass die durch Clinchung gebildeten Verbindungsstellen zweireihig bzw. drei- oder mehrreihig angeordnet sind. Hierdurch wird eine Verbindung der beiden Blechlagen des Profilstegs nicht nur längs einer einzigen Linie, sondern in zwei oder mehr parallelen Linien erreicht, wodurch praktisch die Wirkung einer flächigen Verbindung der beiden Blechlagen erzielt wird.An even better stiffening of the T-profile can Further development of the inventive concept thereby achieved be that formed by clinching Connection points in two rows or three or more rows are arranged. This creates a connection between the two Sheet metal layers of the profile web not only along a single one Line, but in two or more parallel lines achieved, which practically the effect of a flat Connection of the two sheet layers is achieved.

Vorzugsweise sind die durch die Clinchung gebildeten Verbindungsstellen in benachbarten Reihen gegeneinander versetzt, um eine günstige Verteilung zu erreichen.Preferably, those formed by the clinching Junctions in adjacent rows against each other offset to achieve a favorable distribution.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung näher erläutert, das in der Zeichnung dargestellt ist. Es zeigt:

  • Fig. 1 ein T-Profil aus Blech in einer Seitenansicht mit einreihiger Clinchung,
  • Fig. 2 einen Schnitt längs der Linie II-II in Fig. 1,
  • Fig. 3 ein T-Profil aus Blech in einer Seitenansicht mit zweireihiger Clinchung und
  • Fig. 4 einen Schnitt längs der Linie IV-IV in Fig. 3.
    • An exemplary embodiment of the invention is illustrated below, which is shown in the drawing. It shows:
  • 1 is a T-profile made of sheet metal in a side view with single-row clinching,
  • 2 shows a section along the line II-II in FIG. 1,
  • Fig. 3 is a T-profile made of sheet metal in a side view with two-row clinching and
  • 4 shows a section along the line IV-IV in FIG. 3.

    • Das in Fig. 1 dargestellte T-Profil 1 besteht aus einem einstückigen Zuschnitt aus Blech. An seinen beiden Enden sind Einsteckzungen 2 ausgebildet, die zur Verbindung mit gleichen benachbarten T-Profilen dienen. Das T-Profil 1 wird beispielsweise als Gitterstab eines Traggitters einer abgehängten Unterdecke eingesetzt.The T-profile 1 shown in Fig. 1 consists of a one-piece cut from sheet metal. At both ends insertion tongues 2 are formed for connection to serve the same neighboring T-profiles. The T-profile 1 is used, for example, as a lattice bar of a supporting grid suspended suspended ceiling used.

    Ein oben liegender Hohlwulst 3 geht nach unten in einen Profilsteg 4 über, der aus zwei aufeinanderliegenden Blechlagen 4a, 4b gebildet ist. An ihren unteren Rändern gehen die beiden Blechlagen 4a, 4b in nach außen in entgegengesetzten Richtungen abgewinkelte horizontale Profilflansche 5 über. An der Unterseite der Profilflansche 5 liegt ein Blechstreifen 6, dessen beide Ränder 6a um die äußeren Ränder der Profilflansche 5 gefalzt sind.An overlying hollow bead 3 goes down into one Profile web 4 over that of two superimposed Sheet metal layers 4a, 4b is formed. On their lower edges the two sheet layers 4a, 4b go in to the outside opposite angled horizontal directions Profile flanges 5 over. At the bottom of the profile flanges 5 is a sheet metal strip 6, the two edges 6a around the outer edges of the profile flanges 5 are folded.

    Im Traggittereiner abgehängten Unterdecke bilden die Oberseiten der Profilflansche 5 Auflageflächen für Einlegekassetten, beispielsweise aus Mineralfaserplatten. Benachbarte T-Profile 1 sind mit ihren Einsteckzungen 2 durch rechtwinklig dazu verlaufende (nicht dargestellte) Gitterträger gesteckt und miteinander verbunden.In the suspension grid of a suspended ceiling, they form Top of the profile flanges 5 contact surfaces for Insert cassettes, for example made of mineral fiber boards. Adjacent T-profiles 1 are with their tongue 2 through perpendicular (not shown) Lattice girders inserted and connected to each other.

    Wie man aus Fig. 2 erkennt, sind die beiden Blechlagen 4a und 4b des Profilstegs 4 an mehreren, eine einzige horizontale Reihe bildenden Verbindungsstellen 7 jeweils durch Clinchung miteinander verbunden. Hierbei ist in einem kleinen, beispielsweise rechteckigen Flächenbereich die eine Blechlage 4b so in Richtung zur anderen Blechlage 4a hin napfartig verformt, dass auch diese andere Blechlage 4a napfartig nach außen verformt ist. Dadurch entsteht eine örtlich eng begrenzte, formschlüssige und kraftschlüssige Verbindung der beiden Blechlagen 4a und 4b. Dadurch wird ohne eine Vergrößerung der Blechdicke des zur Herstellung des T-Profils verwendeten einstückigen Blechzuschnitts eine wesentliche Versteifung und somit Erhöhung der Tragfähigkeit des T-Profils erreicht.As can be seen from Fig. 2, the two sheet metal layers 4a and 4b of the profile web 4 on several, a single horizontal row forming joints 7 each connected by clinching. Here is in one small, for example rectangular area one sheet layer 4b in the direction of the other sheet layer 4a deformed cup-like towards that this other sheet metal layer 4a is cup-shaped outwardly deformed. This creates one locally narrow, positive and non-positive Connection of the two sheet layers 4a and 4b. This will without increasing the sheet thickness to manufacture of the T-profile used a one-piece sheet metal blank substantial stiffening and thus increase in Load capacity of the T-profile reached.

    In den Fig. 3 und 4 ist eine andere Ausführungsform eines T-Profils 1' gezeigt, das in seiner Querschnittsgestaltung (Fig. 4) ähnlich aufgebaut ist wie das T-Profil 1 nach den Fig. 1 und 2. Es unterscheidet sich hiervon im wesentlichen dadurch, dass die durch Clinchung gebildeten Verbindungsstellen 7 bzw. 7' zweireihig angeordnet sind, wobei die Verbindungsstellen 7 und 7' in den beiden benachbarten Reihen gegeneinander versetzt sind.3 and 4 is another embodiment of a T-profile 1 'shown that in its cross-sectional design (Fig. 4) is constructed similarly to the T-profile 1 according to the 1 and 2. It differs essentially from this in that those formed by clinching Junctions 7 and 7 'are arranged in two rows, the junctions 7 and 7 'in the two neighboring rows are offset from each other.

    Die dargestellten T-Profile 1 und 1' können beispielsweise als Hauptprofile im Traggitter von abgehängten Unterdecken eingesetzt sein. Beim T-Profil 1 kann es sich dabei auch um ein Querprofil handeln, das zwischen Hauptprofilen 1' gemäß Fig. 3 und 4 angeordnet ist und mit seinen Einsteckzungen 2 durch ausgestanzte Fenster 8 gesteckt ist.The T profiles 1 and 1 'shown can for example as main profiles in the supporting grid of suspended ceilings be used. T-profile 1 can also be act a cross section between the main profiles 1 'according to 3 and 4 is arranged and with its tongue 2 is inserted through punched-out window 8.

    Claims (5)

    T-Profil (1) aus einem einstückigen Zuschnitt aus Blech mit einem oben liegenden Hohlwulst (3), der in einen aus zwei aufeinanderliegenden Blechlagen (4a, 4b) gebildeten Profilsteg (4) übergeht, wobei die beiden Blechlagen (4a, 4b) des Profilstegs (4) an ihren unteren Rändern in nach außen in entgegengesetzten Richtungen abgewinkelte horizontale Profilflansche (5) übergehen, dadurch gekennzeichnet, dass die beiden Blechlagen (4a, 4b) des Profilstegs (4) an mehreren, über die Länge des T-Profils (1) verteilten Verbindungsstellen (7, 7') durch Clinchung miteinander verbunden sind.T-profile (1) from a one-piece blank made of sheet metal with an overlying hollow bead (3) which merges into a profile web (4) formed from two sheet metal layers (4a, 4b) lying on top of one another, the two sheet metal layers (4a, 4b) of the Profile webs (4) at their lower edges merge into horizontal profile flanges (5) which are angled outwards in opposite directions, characterized in that the two sheet metal layers (4a, 4b) of the profile web (4) on several, over the length of the T-profile ( 1) distributed connection points (7, 7 ') are connected to one another by clinching. T-Profil nach Anspruch 1, dadurch gekennzeichnet, dass die durch Clinchung gebildeten Verbindungsstellen (7) einreihig angeordnet sind.T-profile according to claim 1, characterized in that the connecting points (7) formed by clinching are arranged in one row. T-Profil nach Anspruch 1, dadurch gekennzeichnet, dass die durch Clinchung gebildeten Verbindungsstellen (7, 7') zweireihig angeordnet sind.T-profile according to claim 1, characterized in that the connecting points (7, 7 ') formed by clinching are arranged in two rows. T-Profil nach Anspruch 1, dadurch gekennzeichnet, dass die durch Clinchung gebildeten Verbindungsstellen (7, 7') drei- oder mehrreihig angeordnet sind. T-profile according to claim 1, characterized in that the connection points (7, 7 ') formed by clinching are arranged in three or more rows. T-Profil nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die durch Clinchung gebildeten Verbindungsstellen (7, 7') in benachbarten Reihen gegeneinander versetzt sind.T-profile according to claim 3 or 4, characterized in that the connection points (7, 7 ') formed by clinching are offset from one another in adjacent rows.
    EP03001941A 2002-02-02 2003-01-30 T-profile in sheet metal Withdrawn EP1332809A3 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE20201572U DE20201572U1 (en) 2002-02-02 2002-02-02 T-profile made of sheet metal
    DE20201572U 2002-02-02

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    EP1332809A2 true EP1332809A2 (en) 2003-08-06
    EP1332809A3 EP1332809A3 (en) 2004-10-06

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    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2008003813A1 (en) * 2006-06-19 2008-01-10 Erkki Toivanen Method for making a shelf column and a shelf column

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102016205605A1 (en) * 2016-04-05 2017-10-05 Peri Gmbh bars

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    FR916446A (en) * 1943-08-02 1946-12-05 Great Lakes Steel Corp Advanced beam
    US5535569A (en) * 1992-03-06 1996-07-16 Bhp Steel (Jla) Pty, Ltd. Sheet metal structural member and frames incorporating same
    US5553437A (en) * 1990-05-03 1996-09-10 Navon; Ram Structural beam
    US5979055A (en) * 1993-01-08 1999-11-09 Worthington Armstrong Venture Process for producing rollformed sections
    US6138416A (en) * 1998-11-12 2000-10-31 Worthington Armstrong Venture Beam

    Family Cites Families (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0902208B1 (en) * 1997-09-10 2002-08-07 FTE automotive GmbH Brake shoe

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR916446A (en) * 1943-08-02 1946-12-05 Great Lakes Steel Corp Advanced beam
    US5553437A (en) * 1990-05-03 1996-09-10 Navon; Ram Structural beam
    US5535569A (en) * 1992-03-06 1996-07-16 Bhp Steel (Jla) Pty, Ltd. Sheet metal structural member and frames incorporating same
    US5979055A (en) * 1993-01-08 1999-11-09 Worthington Armstrong Venture Process for producing rollformed sections
    US6138416A (en) * 1998-11-12 2000-10-31 Worthington Armstrong Venture Beam

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2008003813A1 (en) * 2006-06-19 2008-01-10 Erkki Toivanen Method for making a shelf column and a shelf column

    Also Published As

    Publication number Publication date
    DE20201572U1 (en) 2002-06-27
    DE10237633B4 (en) 2010-06-10
    DE10237633A1 (en) 2003-08-07
    EP1332809A3 (en) 2004-10-06

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