EP0892123B1 - Building set comprising a beam with a hollow polygonal section made from extruded light metal alloys - Google Patents

Building set comprising a beam with a hollow polygonal section made from extruded light metal alloys Download PDF

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Publication number
EP0892123B1
EP0892123B1 EP98810621A EP98810621A EP0892123B1 EP 0892123 B1 EP0892123 B1 EP 0892123B1 EP 98810621 A EP98810621 A EP 98810621A EP 98810621 A EP98810621 A EP 98810621A EP 0892123 B1 EP0892123 B1 EP 0892123B1
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EP
European Patent Office
Prior art keywords
hollow
section
cross
construction unit
unit 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.)
Expired - Lifetime
Application number
EP98810621A
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German (de)
French (fr)
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EP0892123A3 (en
EP0892123A2 (en
Inventor
Reinhold Gitter
Andreas Fellhauer
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3A Composites International AG
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Alcan Technology and Management Ltd
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Publication date
Priority claimed from DE19735830A external-priority patent/DE19735830C2/en
Application filed by Alcan Technology and Management Ltd filed Critical Alcan Technology and Management Ltd
Publication of EP0892123A2 publication Critical patent/EP0892123A2/en
Publication of EP0892123A3 publication Critical patent/EP0892123A3/en
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Publication of EP0892123B1 publication Critical patent/EP0892123B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—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
    • 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
    • E04C2003/0408—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 assembly or the cross-section
    • E04C2003/0421—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 assembly or the cross-section comprising one single unitary part
    • 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
    • E04C2003/0426—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 material distribution in cross section
    • E04C2003/043—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 material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • 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
    • E04C2003/0465—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 square- or rectangular-shaped

Definitions

  • the invention relates to a kit with a carrier in Form of an extruded from a light metal alloy Hollow profile with at least one - to the beam or profile longitudinal axis parallel - undercut longitudinal groove at least one cross-sectional side defining an outer surface for receiving a connecting element for a further carrier of the kit, the carrier hollow profiles rectangular cross section of different cross section length and cross-sectional width and the associated, having the longitudinal grooves for the connecting element Cross-sectional sides of the beams of approximately the same cross-sectional dimension are.
  • EP 0 435 480 A describes a kit of several Hollow profiles of rectangular cross-section; the cross sections all hollow profiles of the kit are either identical in shape or they offer two different cross-sectional lengths on. In the latter case, a long cross-sectional side a large hollow profile two short cross-sectional sides assigned smaller hollow profiles.
  • the fasteners for inclusion in two adjacent undercuts Longitudinal grooves of the hollow profiles are I-shaped Shape.
  • the cross-sectional length corresponds to one Hollow profile about the cross-sectional width of the assigned other hollow profile; also have the narrow profile side of the Hollow profile and its longitudinal side each a pair of undercut longitudinal grooves, one of which Longitudinal groove of one of the two delimiting the respective profile side Profile corners is adjacent. So cross-sectionally interlocking profile bundles from a plurality Hollow profiles dimensioned according to this requirement become, and it becomes possible a large number of - on top of each other coordinated - hollow profiles with superimposed Join cross-sectional areas.
  • each of two of the carriers designed as hollow profiles with a pair of uniform profile surfaces lie, the profile surface of a hollow profile of its cross-sectional length and the adjacent profile surface of the other hollow profile determined by its cross-sectional width are.
  • the center line should preferably be at least a longitudinal groove of the profile surface of a hollow profile with the center line of a longitudinal groove of the other hollow profile aligned, and both longitudinal grooves are intended to be a common connecting element for positive connection of both hollow profiles take up.
  • Another kit according to the invention includes one Profile surface of the first designed as a hollow profile Beam two profile surfaces of two other hollow profiles on - here the center line is aligned Longitudinal groove of the two adjacent hollow profiles with the center lines of the two longitudinal grooves on a profile surface of the first of the hollow profiles mentioned.
  • the smallest of the existing ones Hollow profiles can be used twice.
  • the invention is also a carrier for the Kit in which the ratio of cross-sectional length and Cross-sectional width - each of the hollow profiles - between 1.2 and 2.5 is selected; it should prefer the value of the root be approximated from 2, i.e. about 1.414.
  • the one mentioned Hollow profile square cross-section - offers the invention Hollow profile a straight rectangular central Cavity where the ratio of cross-sectional length and cross-sectional width is between 1.4 and 2.5.
  • the narrow profile side one of the hollow profiles has an undercut in the middle Longitudinal groove on, and is in the profile long side a pair of undercut longitudinal grooves are provided by which each have a longitudinal groove one of the two the profile long side bordering profile corners is adjacent.
  • the other hollow profiles are on the narrow side and the long side of the profile, each with a pair of undercut Provide longitudinal grooves, one each Longitudinal groove of one of the two - delimiting the respective profile side - Profile corners are adjacent.
  • Profile cross-sections Two different configurations of are preferred Profile cross-sections; in one case runs between the two undercuts provided on both sides of a profile corner Longitudinal grooves in the profile corner are closed in cross section Corner channel as a profile cavity.
  • the other configuration is the one between the two on both sides Profile corner arranged undercut longitudinal grooves of the Channel-like profile cavity running in the profile corner to an adjacent profile surface as an undercut Edge groove opened; it should be on every narrow profile side and profile longitudinal side of the hollow profile such Profile cavity outgoing edge groove may be provided.
  • a hollow profile extruded from an aluminum alloy 10 stretched rectangular outer contour of an example outer cross-sectional length a of 101.12 mm and an outer Cross-sectional width b of 71.5 mm has a central Cavity 14 - also approximately rectangular in cross section a cross-sectional length c of 60 mm and a cross-sectional width c, of 30 mm - with broken corner areas 15 on.
  • the ratio of the cross-sectional length a to Cross-sectional width b of the hollow profile 10 is 1.4142 here can be calculated as the root of 2.
  • an undercut corner or edge groove 20 of width e of 9 mm runs on each of the profile narrow sides 18 and on each profile longitudinal side 19.
  • Each of the edge grooves 20 is delimited on both sides by profile ribs 22 with a thickness f of 5 mm and the groove interior 24, which is in part surrounded by walls of that thickness f or thickness f 1 of 6 mm, is designed as a channel-like profile space and has an approximately rectangular cross section; the shorter distance g of approximately 16 mm between two walls or the narrower width g of the groove interior 24 runs parallel to those profile ribs 22.
  • an undercut space 26 of low height h of a longitudinal groove 28 of width i of 9 mm is provided between the end two groove interiors 24; the narrow profile sides 18 each offer a pair of such longitudinal grooves 28.
  • the latter are also limited on the outside by profile ribs 22 a , the thickness f 2 of which measures 8 mm here.
  • the distances n of the center lines M of the longitudinal grooves 28 - parallel to the longitudinal axis A of the profile - from the adjacent profile corners 16 measure 35.75 mm in each case in the hollow profile 10 of FIG. 1 and in the adjacent hollow profile 10 a of FIG. 4.
  • the cross-sectional length a of the first-described hollow profile 10 corresponds to the cross-sectional width b of the hollow profile 10 a attached to it.
  • the configuration of the narrow profile side 18 of the cross-sectional width b of 101.12 mm corresponds to that of the longitudinal profile side 19 of the smaller hollow profile 10.
  • the cross-sectional length a is here 143 mm, wherein the distance q between the center lines M of the longitudinal grooves 28 near the corner can be calculated as 71.5 mm.
  • the central cavity 14 is expanded on both sides by formations 12 a , which are delimited from the outside by profile wall strips 34 of thickness f.
  • the ratio of the inner cross-sectional length c to the inner cross-sectional width c 1 of the hollow profile 10 a - without the formations 14 a - is 1.666 here.
  • the narrow profile side 18 also corresponds to the longitudinal side 19 of the hollow profile 10 a , the distance q of the smaller hollow profile 10 a being the same as the distance q 1 on the larger hollow profile 10 b .
  • an additional shape 14 b of the central cavity 14 can be seen here on each narrow profile side 18; this shape 14 b is limited by a profile wall strip 36.
  • FIG. 5 shows hollow profiles 10 d , 10 e ; the hollow profile 10 e , which has a cross-sectionally forming an "X" and having a thickness t of 6 mm, can be attached both to the hollow profile 10 e of FIG. 4 and to the approximately 60 mm narrower hollow profile 10 d of FIG. 5 can be connected. Those diagonal webs 38 are formed on the bottom plate 27 of the undercut space 26.
  • interconnectable hollow profiles 10 , 10 a to 10 e of a building system are created, for example according to the following table: (Size in mm) hollow profile 10 10a 10b 10c 10d 10e a 101.12 143.00 202.23 286.00 286.00 404.47 b 71.50 101.12 143.00 202.23 143.00 286.00 q 29.62 71.50 130.73 214.50 214.50 332.97 q1 - 29.62 71.50 130.73 71.50 214.50 n 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.75 35.
  • the hollow profile 10 a can be added, whereas the hollow profile 10 c has the hollow profile 10 b is to be assigned, to which in turn the hollow profile 10 a is to be struck. It can also be seen that, for example, two hollow profiles 10 can be assigned with their narrow profile side 18 to the longitudinal side 19 of the hollow profile 10 a .
  • FIG. 8 Two hollow sections 11, 11 a of another construction system shown in FIG. 8.
  • This hollow profiles 11,11 a wall thickness s of 5 mm lacking its profile corners 16 proximate undercut grooves 20, rather than their run along the profile corners 16 completely closed Eckkanäle 40, which on both sides in each case one of the longitudinal grooves 28 is adjacent.
  • the longitudinal sides of the profile 19 of the large hollow profile 11 n of this construction system are integrally formed in FIG. 9 with diagonal webs 38 a , which are connected at the other end by means of a common axial web 39 with a thickness t 1 of 8 mm; the wall thickness s of the profile long and narrow sides 19, 18 also measures 8 mm.
  • FIGS. 10, 11 Two further profile series as building systems can be seen in FIGS. 10, 11.
  • Both hollow profiles 12, 13 have - closed flanked by two of the longitudinal grooves 28 - closed corner regions 16 a , with in the closed corner regions 16 a of the hollow profile 12 of FIG. 10 - in their diagonal D - each having an inner groove 42 of a width z of about 8 mm is molded.
  • the side walls 37 of the hollow profile 13 of FIG. 11 are of a comparatively large thickness m between 22.5 mm and 24 mm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Body Structure For Vehicles (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The supports comprise extruded hollow profiled sections (10-13) of rectangular cross-section of different cross-sectional length and width with the cross-sectional length of one hollow section corresponding to the cross sectional width of the associated other hollow section. The ratio of length to width is between 1.2 and 2.4 At least two opposite profiled sides (18,19) each have a pair of rear cut longitudinal grooves (28) and each groove adjoins a channel-like profiled cavity (24,40) associated with each profiled corner (16).

Description

Die Erfindung betrifft einen Bausatz mit einem Träger in Form eines aus einer Leichtmetalllegierung stranggepressten Hohlprofils mit wenigstens einer -- zur Träger- oder Profillängsachse parallelen -- hinterschnittenen Längsnut an zumindest einer eine Außenfläche bestimmenden Querschnittsseite zur Aufnahme eines Verbindungselementes für einen weiteren Träger des Bausatzes, wobei die Träger Hohlprofile rechteckigen Querschnitts unterschiedlicher Querschnittslänge und Querschnittsbreite sowie die einander zugeordneten, die Längsnuten für das Verbindungselement aufweisenden Querschnittseiten der Träger von etwa gleichem Querschnittsmaß sind.The invention relates to a kit with a carrier in Form of an extruded from a light metal alloy Hollow profile with at least one - to the beam or profile longitudinal axis parallel - undercut longitudinal groove at least one cross-sectional side defining an outer surface for receiving a connecting element for a further carrier of the kit, the carrier hollow profiles rectangular cross section of different cross section length and cross-sectional width and the associated, having the longitudinal grooves for the connecting element Cross-sectional sides of the beams of approximately the same cross-sectional dimension are.

Für den Einbau als beispielsweise arm- oder rahmenartige Träger in Maschinen aller Art sind Hohlprofile quadratischen Querschnitts mit axialem zylindrischem Durchbruch und zu diesem parallelen hinterschnittenen Längsnuten in jeder der Außenflächen etwa aus der EP 0 589 380 A bekannt. Hohlprofile dieser Ausgestaltung können beispielsweise durch quer zur deren Längsachse eingebrachte Schrauben auch mit anderen Gegenständen wie Platten od. dgl. Flächenelementen verbunden werden. Diese Schrauben sitzen jeweils endwärts in einem Nutenstein, der in der hinterschnittenen Längsnut verschoben werden kann. Auch ist es möglich, zwei gleichartig gestaltete Hohlprofile quadratischen Querschnitts parallel aneinanderzufügen und so einen Pfeiler od. dgl. Baugruppe für die Herstellung von Messeständen od. dgl. Bauwerken zu bilden. For installation as, for example, arm or frame-like Beams in machines of all kinds are square hollow sections Cross section with axial cylindrical opening and to this parallel undercut longitudinal grooves in each the outer surfaces are known, for example, from EP 0 589 380 A. hollow sections this configuration can, for example, by screws inserted transversely to their longitudinal axis also with other objects such as plates or similar surface elements get connected. These screws are located at the end in a slot nut in the undercut longitudinal groove can be moved. It is also possible to have two of the same type designed hollow profiles of square cross-section in parallel join together and so a pillar or the like for the manufacture of exhibition stands or similar structures to build.

Die EP 0 435 480 A beschreibt einen Bausatz aus mehreren Hohlprofilen rechteckigen Querschnitts; die Querschnitte aller Hohlprofile des Bausatzes sind entweder formgleich oder sie bieten zwei unterschiedliche Querschnittslängen an. In letzterem Falle werden einer langen Querschnittsseite eines großen Hohlprofils zwei kurze Querschnittsseiten kleinerer Hohlprofile zugeordnet. Die Verbindungselemente zur Aufnahme in jeweils zwei benachbarte hinterschnittene Längsnuten der Hohlprofile sind von I-förmiger Gestalt.EP 0 435 480 A describes a kit of several Hollow profiles of rectangular cross-section; the cross sections all hollow profiles of the kit are either identical in shape or they offer two different cross-sectional lengths on. In the latter case, a long cross-sectional side a large hollow profile two short cross-sectional sides assigned smaller hollow profiles. The fasteners for inclusion in two adjacent undercuts Longitudinal grooves of the hollow profiles are I-shaped Shape.

In Kenntnis dieses Standes der Technik hat sich der Erfinder das Ziel gesetzt, die Einsatzmöglichkeiten der Träger eingangs genannter Art zu erweitern sowie ihr Zusammenfügen zu variablen Baugruppen zu ermöglichen.The inventor was aware of this state of the art set the goal, the possible uses of the carrier expand the type mentioned above and their joining to enable variable assemblies.

Zur Lösung dieser Aufgabe führen die Lehren der unabhängigen Patentansprüche; die Unteransprüche geben günstige Weiterbildungen an.The teachings of the independent lead to the solution of this task claims; the subclaims give favorable further training on.

Erfindungsgemäß entspricht die Querschnittslänge des einen Hohlprofils etwa der Querschnittsbreite des zugeordneten anderen Hohlprofils; zudem weisen die Profilschmalseite des Hohlprofils und seine Profillängsseite jeweils ein Paar von hinterschnittenen Längsnuten auf, von denen jeweils eine Längsnut einer der beiden die jeweilige Profilseite begrenzenden Profilecken benachbart ist. So können querschnittlich ineinandergreifende Profilbündel aus einer Mehrzahl nach dieser Maßgabe dimensionierten Hohlprofile hergestellt werden, und es wird möglich, eine große Anzahl von -- aufeinander abgestimmten -- Hohlprofilen mit aufeinanderliegenden Querschnittsflächen zusammenzufügen. According to the invention, the cross-sectional length corresponds to one Hollow profile about the cross-sectional width of the assigned other hollow profile; also have the narrow profile side of the Hollow profile and its longitudinal side each a pair of undercut longitudinal grooves, one of which Longitudinal groove of one of the two delimiting the respective profile side Profile corners is adjacent. So cross-sectionally interlocking profile bundles from a plurality Hollow profiles dimensioned according to this requirement become, and it becomes possible a large number of - on top of each other coordinated - hollow profiles with superimposed Join cross-sectional areas.

Im Rahmen der Erfindung liegt auch ein solcher Bausatz, bei dem jeweils zwei der als Hohlprofile ausgebildeten Träger mit einem Paar gleichförmiger Profilflächen aneinander liegen, wobei die Profilfläche des einen Hohlprofils von dessen Querschnittslänge sowie die anliegende Profilfläche des anderen Hohlprofils von dessen Querschnittsbreite bestimmt sind. Dabei soll bevorzugt die Mittellinie wenigstens einer Längsnut der Profilfläche des einen Hohlprofils mit der Mittellinie einer Längsnut des anderen Hohlprofils fluchten, und beide Längsnuten sollen ein gemeinsames Verbindungselement zur formschlüssigen Verbindung beider Hohlprofile aufnehmen.Such a kit is also included in the scope of the invention each of two of the carriers designed as hollow profiles with a pair of uniform profile surfaces lie, the profile surface of a hollow profile of its cross-sectional length and the adjacent profile surface of the other hollow profile determined by its cross-sectional width are. The center line should preferably be at least a longitudinal groove of the profile surface of a hollow profile with the center line of a longitudinal groove of the other hollow profile aligned, and both longitudinal grooves are intended to be a common connecting element for positive connection of both hollow profiles take up.

Bei einem anderen erfindungsgemäßen Bausatz liegen einer Profilfläche des ersten als Hohlprofil ausgebildeten Trägers jeweils zwei Profilflächen zweier weiterer Hohlprofile an - hier fluchtet die Mittellinie jeweils einer Längsnut der beiden benachbart angesetzten Hohlprofile mit den Mittellinien der beiden Längsnuten an einer Profilfläche des ersten der erwähnten Hohlprofile. So kann beispielsweise das querschnittlich kleinste der vorhandenen Hohlprofile doppelt eingesetzt werden.Another kit according to the invention includes one Profile surface of the first designed as a hollow profile Beam two profile surfaces of two other hollow profiles on - here the center line is aligned Longitudinal groove of the two adjacent hollow profiles with the center lines of the two longitudinal grooves on a profile surface of the first of the hollow profiles mentioned. For example the smallest of the existing ones Hollow profiles can be used twice.

In allen Fällen werden in die fluchtenden Längsnuten erfindungsgemäß formschlüssig haltende Verbindungsorgane eingeschoben, beispielsweise querschnittlich I-förmige Schuboder Steckelemente, die den gemeinsamen Querschnitt zweier aneinandergrenzender hinterschnittener Längsnuten ausfüllen. In all cases according to the invention in the aligned longitudinal grooves positive locking connecting elements inserted, for example, cross-sectionally I-shaped drawers Plug elements that share the cross-section of two Fill in adjacent undercut longitudinal grooves.

Im Rahmen der Erfindung liegt zudem ein Träger für den Bausatz, bei dem das Verhältnis von Querschnittslänge und Querschnittsbreite -- jedes der Hohlprofile -- zwischen 1,2 und 2,5 gewählt ist; es soll bevorzugt dem Wert der Wurzel aus 2 angenähert sein , also etwa 1,414.Within the scope of the invention is also a carrier for the Kit in which the ratio of cross-sectional length and Cross-sectional width - each of the hollow profiles - between 1.2 and 2.5 is selected; it should prefer the value of the root be approximated from 2, i.e. about 1.414.

Statt eines zylindrischen Durchbruchs -- des erwähnten Hohlprofils quadratischen Querschnitts -- bietet das erfindungsgemäße Hohlprofil einen gestreckt rechteckigen zentrischen Hohlraum an, bei dem das Verhältnis von Querschnittslänge und Querschnittsbreite zwischen 1,4 und 2,5 liegt.Instead of a cylindrical opening - the one mentioned Hollow profile square cross-section - offers the invention Hollow profile a straight rectangular central Cavity where the ratio of cross-sectional length and cross-sectional width is between 1.4 and 2.5.

Als günstig hat es sich erwiesen, dass zumindest zwei einander gegenüberliegende Profilseiten des Hohlprofils jeweils ein Paar von hinterschnittenen Längsnuten aufweist und jede Längsnut einem jeder Profilecke zugeordneten kanalartigen Profilhohlraum benachbart ist. Das Paar hinterschnittener Längsnuten und der dazwischen verlaufende kanalartige Profilhohlraum bilden bei allen erfindungsgemäßen Hohlprofilen einen Eckbereich gleicher Form und Größe; dies begünstigt die Möglichkeit, Hohlprofile unterschiedlicher Dimension zu verbinden.It has proven to be cheap that at least two mutually opposite profile sides of the hollow profile each has a pair of undercut longitudinal grooves and each longitudinal groove assigned to each profile corner channel-like profile cavity is adjacent. The couple undercut longitudinal grooves and the one running between them channel-like profile cavity form in all of the invention Hollow profiles a corner area of the same shape and Size; this favors the possibility of different hollow profiles Connecting dimension.

Dies hat auch zur Folge, dass der Abstand der Mittellinie jeder der beiden nahe der Profilecken des Hohlprofils verlaufenden Längsnuten vom Profileck gleich ist.This also results in the centerline distance each of the two near the profile corners of the hollow profile Longitudinal grooves from the profile corner is the same.

Nach einem weiteren Merkmal der Erfindung weist die Profilschmalseite des einen der Hohlprofile etwa mittig eine hinterschnittene Längsnut auf, und in der Profillängsseite ist ein Paar von hinterschnittenen Längsnuten vorgesehen, von denen jeweils eine Längsnut einem der beiden die Profillängsseite begrenzenden Profilecken benachbart ist. According to a further feature of the invention, the narrow profile side one of the hollow profiles has an undercut in the middle Longitudinal groove on, and is in the profile long side a pair of undercut longitudinal grooves are provided by which each have a longitudinal groove one of the two the profile long side bordering profile corners is adjacent.

Hierbei handelt es sich bevorzugt um das kleinste der Hohlprofile.This is preferably the smallest of the hollow profiles.

Die anderen Hohlprofile sind an der Profilschmalseite und der Profillängsseite mit jeweils einem Paar von hinterschnittenen Längsnuten versehen, von denen jeweils eine Längsnut einem der beiden -- die jeweilige Profilseite begrenzenden -- Profilecken benachbart ist.The other hollow profiles are on the narrow side and the long side of the profile, each with a pair of undercut Provide longitudinal grooves, one each Longitudinal groove of one of the two - delimiting the respective profile side - Profile corners are adjacent.

Bevorzugt werden zwei unterschiedliche Ausgestaltungen von Profilquerschnitten; im einen Falle verläuft zwischen den zwei beidseits einer Profilecke vorgesehenen hinterschnittenen Längsnuten im Profileck ein querschnittlich geschlossener Eckkanal als Profilhohlraum. Bei der anderen Ausgestaltung ist der zwischen den zwei beidseits einer Profilecke angeordneten hinterschnittenen Längsnuten des Hohlprofils im Profileck verlaufende kanalartige Profilhohlraum zu einer angrenzenden Profiloberfläche als hinterschnittene Randnut geöffnet; es soll an jeder Profilschmalseite und Profillängsseite des Hohlprofils eine solche vom Profilhohlraum ausgehende Randnut vorgesehen sein. Two different configurations of are preferred Profile cross-sections; in one case runs between the two undercuts provided on both sides of a profile corner Longitudinal grooves in the profile corner are closed in cross section Corner channel as a profile cavity. In the other configuration is the one between the two on both sides Profile corner arranged undercut longitudinal grooves of the Channel-like profile cavity running in the profile corner to an adjacent profile surface as an undercut Edge groove opened; it should be on every narrow profile side and profile longitudinal side of the hollow profile such Profile cavity outgoing edge groove may be provided.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung; diese zeigt in

Fig. 1:
die Stirnansicht eines Teiles eines Bausystems in Form eines stranggepreßten Leichtmetallprofils in etwa natürlicher Größe;
Fig. 2,6,7:
jeweils ein gegenüber Fig. 1 verkleinert dargestelltes weiteres Profil größeren Querschnitts des Bausystems;
Fig. 3:
einen Abschnitt des Leichtmetallprofils der Fig. 1 in Schrägsicht;
Fig. 4,5:
die Stirnansicht jeweils einer Gruppe aus mehreren miteinander verbundenen Profilen unterschiedlicher Dimensionierung;
Fig. 8:
zwei aneinanderliegende Profile eines weiteren Bausystems in Stirnansicht;
Fig. 9 bis Fig. 11:
jeweils ein anderes Profil des Bausystems nach Fig. 8 in Stirnansicht.
Further advantages, features and details of the invention result from the following description of preferred exemplary embodiments and from the drawing; this shows in
Fig. 1:
the front view of part of a building system in the form of an extruded light metal profile in about natural size;
Fig. 2,6,7:
in each case a further profile of a larger cross-section of the building system, shown reduced in size compared to FIG. 1;
Fig. 3:
a section of the light metal profile of Figure 1 in an oblique view.
Fig. 4,5:
the front view of a group of several interconnected profiles of different dimensions;
Fig. 8:
two adjacent profiles of another building system in front view;
9 to 11:
each have a different profile of the building system of FIG. 8 in front view.

Ein aus einer Aluminiumlegierung stranggepreßtes Hohlprofil 10 gestreckt rechteckiger Außenkontur einer beispielsweisen äußeren Querschnittslänge a von 101,12 mm und einer äußeren Querschnittsbreite b von 71,5 mm weist einen zentrischen Hohlraum 14 -- ebenfalls etwa rechteckigen Querschnittes einer Querschnittslänge c von 60 mm sowie einer Querschnittsbreite c, von 30 mm -- mit gebrochenen Eckbereichen 15 auf. Das Verhältnis der Querschnittslänge a zur Querschnittsbreite b des Hohlprofils 10 ist hier mit 1,4142 als Wurzel aus 2 errechenbar.A hollow profile extruded from an aluminum alloy 10 stretched rectangular outer contour of an example outer cross-sectional length a of 101.12 mm and an outer Cross-sectional width b of 71.5 mm has a central Cavity 14 - also approximately rectangular in cross section a cross-sectional length c of 60 mm and a cross-sectional width c, of 30 mm - with broken corner areas 15 on. The ratio of the cross-sectional length a to Cross-sectional width b of the hollow profile 10 is 1.4142 here can be calculated as the root of 2.

Nahe den Profilecken 16 verläuft an jeder der Profilschmalseiten 18 und an jeder Profillängsseite 19 eine hinterschnittene Eck- oder Randnut 20 der Weite e von 9 mm. Jede der Randnuten 20 ist beidseits von Profilrippen 22 der Dicke f von 5 mm begrenzt und der -- seinerseits teilweise von Wandungen jener Dicke f bzw. der Dicke f1 von 6 mm umgebene -- als kanalartiger Profilraum ausgebildete Nutinnenraum 24 von etwa rechteckigen Querschnitt; der kürzere Abstand g von etwa 16 mm zwischen zwei Wandungen bzw. die schmalere Breite g des Nutinnenraums 24 verläuft parallel zu jenen Profilrippen 22.Near the profile corners 16, an undercut corner or edge groove 20 of width e of 9 mm runs on each of the profile narrow sides 18 and on each profile longitudinal side 19. Each of the edge grooves 20 is delimited on both sides by profile ribs 22 with a thickness f of 5 mm and the groove interior 24, which is in part surrounded by walls of that thickness f or thickness f 1 of 6 mm, is designed as a channel-like profile space and has an approximately rectangular cross section; the shorter distance g of approximately 16 mm between two walls or the narrower width g of the groove interior 24 runs parallel to those profile ribs 22.

An jeder Profilschmalseite 18 des Hohlprofils 10 ist zwischen den endwärtigen beiden Nutinnenräumen 24 ein Hinterschneidungsraum 26 geringer Höhe h einer Längsnut 28 der Weite i von 9 mm vorgesehen; die Profilschmalseiten 18 bieten jeweils ein Paar solcher Längsnuten 28 an. Auch letztere sind nach außen von Profilrippen 22a begrenzt, deren Dicke f2 hier 8 mm mißt.On each narrow profile side 18 of the hollow profile 10, an undercut space 26 of low height h of a longitudinal groove 28 of width i of 9 mm is provided between the end two groove interiors 24; the narrow profile sides 18 each offer a pair of such longitudinal grooves 28. The latter are also limited on the outside by profile ribs 22 a , the thickness f 2 of which measures 8 mm here.

Die Abstände n der Mittellinien M der -- zur Profillängsachse A parallelen -- Längsnuten 28 von den benachbarten Profilecken 16 messen sowohl bei dem Hohlprofil 10 der Fig. 1 als auch bei dem benachbarten Hohlprofil 10a der Fig. 4 jeweils 35,75 mm. Die Querschnittslänge a des erstbeschriebenen Hohlprofils 10 entspricht der anliegenden Querschnittsbreite b des daran angeschlagenen Hohlprofils 10a. Da die Mittellinien M der Längsnuten 28 in den aufeinanderliegenden Außenflächen 19,18 beider Hohlprofile 10,10a fluchten, kann jeweils ein sie verbindendes Schub- oder Steckelement 30 I-förmigen Querschnitts eingeführt werden; aus Gründen der Übersichtlichkeit ist in der Zeichnung nur jeweils eines der Steckelemente 30 je Profilpaarung 10/10a;10a/10b;10b/10 angedeutet. The distances n of the center lines M of the longitudinal grooves 28 - parallel to the longitudinal axis A of the profile - from the adjacent profile corners 16 measure 35.75 mm in each case in the hollow profile 10 of FIG. 1 and in the adjacent hollow profile 10 a of FIG. 4. The cross-sectional length a of the first-described hollow profile 10 corresponds to the cross-sectional width b of the hollow profile 10 a attached to it. Since the center lines M of the longitudinal grooves 28 are aligned in the superimposed outer surfaces 19, 18 of both hollow profiles 10 , 10 a , a pushing or plug-in element 30 of I-shaped cross section connecting them can be inserted in each case; for reasons of clarity, only one of the plug elements 30 per pair of profiles 10/10 a ; 10 a / 10 b ; 10 b / 10 is indicated in the drawing.

Beim Hohlprofil 10a der Fig. 4 entspricht -- wie gesagt -die Ausgestaltung der Profilschmalseite 18 der Querschnittsbreite b von 101,12 mm jener der Profillängsseite 19 des kleineren Hohlprofils 10. An der Profillängsseite 19 des größeren Hohlprofils 10a beträgt die Querschnittslänge a hier 143 mm, wobei sich der Abstand q zwischen den Mittellinien M der eckennahen Längsnuten 28 mit 71,5 mm errechnen läßt. Zwischen den inneren Nutraumwänden 32 dieser hinterschnittenen Längsnuten 26/28 ist der zentrische Hohlraum 14 beidseits durch Ausformungen 12a erweitert, die von Profilwandstreifen 34 der Dicke f nach außen begrenzt sind. Das Verhältnis der inneren Querschnittslänge c zur inneren Querschnittsbreite c1 des Hohlprofils 10a -- ohne die Ausformungen 14a -- beträgt hier 1,666.In the case of the hollow profile 10 a of FIG. 4, the configuration of the narrow profile side 18 of the cross-sectional width b of 101.12 mm corresponds to that of the longitudinal profile side 19 of the smaller hollow profile 10. On the longitudinal side side 19 of the larger hollow profile 10 a , the cross-sectional length a is here 143 mm, wherein the distance q between the center lines M of the longitudinal grooves 28 near the corner can be calculated as 71.5 mm. Between the inner groove space walls 32 of these undercut longitudinal grooves 26/28, the central cavity 14 is expanded on both sides by formations 12 a , which are delimited from the outside by profile wall strips 34 of thickness f. The ratio of the inner cross-sectional length c to the inner cross-sectional width c 1 of the hollow profile 10 a - without the formations 14 a - is 1.666 here.

Beim Hohlprofil 10b entspricht ebenfalls die Profilschmalseite 18 der Profillängsseite 19 des angelegten Hohlprofils 10a, wobei der Abstand q des kleineren Hohlprofils 10a dem Abstand q1 am anliegenden größeren Hohlprofil 10b gleich ist. Zudem ist hier an jeder Profilschmalseite 18 eine zusätzliche Ausformung 14b des zentrischen Hohlraums 14 zu erkennen; diese Ausformung 14b ist von einem Profilwandstreifen 36 begrenzt.In the case of the hollow profile 10 b , the narrow profile side 18 also corresponds to the longitudinal side 19 of the hollow profile 10 a , the distance q of the smaller hollow profile 10 a being the same as the distance q 1 on the larger hollow profile 10 b . In addition, an additional shape 14 b of the central cavity 14 can be seen here on each narrow profile side 18; this shape 14 b is limited by a profile wall strip 36.

Der Fig. 5 sind Hohlprofile 10d,10e zu entnehmen; das mit zwei -- querschnittlich ein "X" bildenden -- Diagonalstegen 38 der Dicke t von 6 mm ausgefachte Hohlprofil 10e kann sowohl an das Hohlprofil 10e der Fig. 4 als auch an das etwa 60 mm schmalere Hohlprofil 10d der Fig. 5 angeschlossen werden. Jene Diagonalstege 38 sind im übrigen an die Bodenplatte 27 des Hinterschneidungsraums 26 angeformt.5 shows hollow profiles 10 d , 10 e ; the hollow profile 10 e , which has a cross-sectionally forming an "X" and having a thickness t of 6 mm, can be attached both to the hollow profile 10 e of FIG. 4 and to the approximately 60 mm narrower hollow profile 10 d of FIG. 5 can be connected. Those diagonal webs 38 are formed on the bottom plate 27 of the undercut space 26.

Dank der Abstimmung der Querschnittsmaße entstehen Miteinander verbindbare Hohlprofils 10,10a bis 10e eines Bausystems beispielsweise nach folgender Tabelle: (Maße in mm) Hohlprofil 10 10a 10b 10c 10d 10e a 101,12 143,00 202,23 286,00 286,00 404,47 b 71,50 101,12 143,00 202,23 143,00 286,00 q 29,62 71,50 130,73 214,50 214,50 332,97 q1 - 29,62 71,50 130,73 71,50 214,50 n 35,75 35,75 35,75 35,75 35,75 35,75 Verhältnis a : b 1,414 1,414 1,414 1,414 2 1,414 Thanks to the coordination of the cross-sectional dimensions, interconnectable hollow profiles 10 , 10 a to 10 e of a building system are created, for example according to the following table: (Size in mm) hollow profile 10 10a 10b 10c 10d 10e a 101.12 143.00 202.23 286.00 286.00 404.47 b 71.50 101.12 143.00 202.23 143.00 286.00 q 29.62 71.50 130.73 214.50 214.50 332.97 q1 - 29.62 71.50 130.73 71.50 214.50 n 35.75 35.75 35.75 35.75 35.75 35.75 Ratio a: b 1.414 1.414 1.414 1.414 2 1.414

Es wird deutlich, daß an die Profilschmalseite 18 des die Diagonalstege 38 aufweisenden Hohlprofils 10e wahlweise die beiden Hohlprofile 10c,10d mit ihrer Profillängsseite 19 und dem Hohlprofil 10d das Hohlprofil 10a angefügt werden können, hingegen dem Hohlprofil 10c das Hohlprofil 10b zuzuordnen ist, an das wiederum das Hohlprofil 10a anzuschlagen ist. Auch ist erkennbar, daß beispielsweise zwei Hohlprofile 10 mit ihrer Profilschmalseite 18 der Profillängsseite 19 des Hohlprofils 10a zugeordnet werden können.It is clear that on the narrow profile side 18 of the hollow profile 10 having the diagonal webs 38 e, either the two hollow profiles 10 c , 10 d with their longitudinal profile side 19 and the hollow profile 10 d, the hollow profile 10 a can be added, whereas the hollow profile 10 c has the hollow profile 10 b is to be assigned, to which in turn the hollow profile 10 a is to be struck. It can also be seen that, for example, two hollow profiles 10 can be assigned with their narrow profile side 18 to the longitudinal side 19 of the hollow profile 10 a .

Das beschriebene Bau- oder Profilsystem ist vielfältig vermehrbar. Dazu zeigt die anschließende Tabelle zu den Hohlprofilen 10f und 10g der Fig. 6,7 auf, daß diese beispielsweise gegen die vorerwähnten Hohlprofile 10a,10b -- da von gleicher äußerer Querschnittslänge a -- austauschbar sind, wenn kürzere Querschnittsbreiten b gewünscht werden: (Maße in mm) Hohlprofil 10f 10g a 143,00 202,23 b 71,50 101,12 q 71,50 130,73 q1 - 29,62 n 35,75 35,75 Verhältnis a:b 2 2 The construction or profile system described can be multiplied in many ways. For this purpose, the table below for the hollow profiles 10 f and 10 g of FIGS. 6, 7 shows that these are interchangeable, for example, with the aforementioned hollow profiles 10 a , 10 b - since they have the same external cross-sectional length a - if shorter cross-sectional widths b be desired: (Size in mm) hollow profile 10f 10g a 143.00 202.23 b 71.50 101.12 q 71.50 130.73 q1 - 29.62 n 35.75 35.75 Ratio a: b 2 2

Zwei Hohlprofile 11, 11a eines anderen Bausystems zeigt Fig. 8. Diesen Hohlprofilen 11,11a der Wanddicke s von 5 mm fehlen die ihren Profilecken 16 naheliegenden hinterschnittenen Nuten 20. Stattderen verlaufen an den Profilecken 16 rundum geschlossene Eckkanäle 40, denen beidseits jeweils eine der Längsnuten 28 benachbart ist.Two hollow sections 11, 11 a of another construction system shown in FIG. 8. This hollow profiles 11,11 a wall thickness s of 5 mm lacking its profile corners 16 proximate undercut grooves 20, rather than their run along the profile corners 16 completely closed Eckkanäle 40, which on both sides in each case one of the longitudinal grooves 28 is adjacent.

Den Profillängsseiten 19 des großen Hohlprofils 11n dieses Bausystems sind in Fig. 9 diagonale Stege 38a angeformt, die andernends mittels eines gemeinsamen Axialstegs 39 der Dicke t1 von 8 mm verbunden sind; auch die Wanddicke s der Profillängs- und -schmalseiten 19,18 mißt 8 mm.The longitudinal sides of the profile 19 of the large hollow profile 11 n of this construction system are integrally formed in FIG. 9 with diagonal webs 38 a , which are connected at the other end by means of a common axial web 39 with a thickness t 1 of 8 mm; the wall thickness s of the profile long and narrow sides 19, 18 also measures 8 mm.

Die aufeinander abgestimmten Maße des Bausytems der Fig. 8,9 sind: (Maße in mm) Hohlprofil 11 11a 11n * ** *** a 194,50 275,00 389,00 166,00 234,80 332,00 b 137,50 194,50 275,00 117,40 166,00 234,80 q 114,50 195,00 309,00 91,00 154,80 252,00 q1 57,50 114,50 195,00 37,40 86,00 154,80 n 40,00 40,00 40,00 40,00 40,00 40,00 Verhältnis a:b 1,414 1,414 1,414 1,414 1,414 1,414 */**/*** = beispielsweise Maße einer weiteren Baugruppe. The coordinated dimensions of the construction system of FIGS. 8.9 are: (Size in mm) hollow profile 11 11a 11n * ** *** a 194.50 275.00 389.00 166.00 234.80 332.00 b 137.50 194.50 275.00 117.40 166.00 234.80 q 114.50 195.00 309.00 91.00 154.80 252.00 q1 57.50 114.50 195.00 37,40 86,00 154.80 n 40,00 40,00 40,00 40,00 40,00 40,00 Ratio a: b 1.414 1.414 1.414 1.414 1.414 1.414 * / ** / *** = dimensions of another module, for example.

Zwei weitere Profilreihen als Bausysteme sind den Fig. 10, 11 zu entnehmen. Beide Hohlprofile 12, 13 weisen -- von zwei der Längsnuten 28 flankierte -- geschlossene Eckbereiche 16a auf, wobei in die geschlossenen Eckbereiche 16a des Hohlprofils 12 der Fig. 10 -- in deren Diagonale D -- jeweils eine Innennut 42 einer Breite z von etwa 8 mm eingeformt ist. Zudem sind die Seitenwände 37 des Hohlprofils 13 der Fig. 11 von einer vergleichsweise großen Dicke m zwischen 22,5 mm und 24 mm.Two further profile series as building systems can be seen in FIGS. 10, 11. Both hollow profiles 12, 13 have - closed flanked by two of the longitudinal grooves 28 - closed corner regions 16 a , with in the closed corner regions 16 a of the hollow profile 12 of FIG. 10 - in their diagonal D - each having an inner groove 42 of a width z of about 8 mm is molded. In addition, the side walls 37 of the hollow profile 13 of FIG. 11 are of a comparatively large thickness m between 22.5 mm and 24 mm.

Für beide Reihen von Hohlprofilen 12, 13 gelten die Maße der nachfolgenden Tabelle D, wobei das größte dieser Reihe von Hohlprofilen 12, 13 -- Spalte (5) -- in Fig. 11 bei 38a angedeutete innere Eckstege enthält. (Maße in mm) Hohlprofilreihen 12, 13 Bereiche (1) (2) (3) (4) (5) a 106,07 150,00 212,13 300,00 424,26 b 75,00 106,07 150,00 212,13 300,00 q 31,07 75,00 137,13 225,00 349,26 q1 -- 31,07 75,00 137,13 225,00 n 37,5 37,5 37,5 37,5 37,5 Verhältnis a : b 1,414 1,414 1,414 1,414 1,414 The dimensions of the following table D apply to both rows of hollow profiles 12, 13, the largest of this series of hollow profiles 12, 13 - column (5) - in Fig. 11 at 38 a contains inner corner webs. (Size in mm) Hollow profile rows 12, 13 areas (1) (2) (3) (4) (5) a 106.07 150.00 212.13 300.00 424.26 b 75.00 106.07 150.00 212.13 300.00 q 31,07 75.00 137.13 225.00 349.26 q 1 - 31,07 75.00 137.13 225.00 n 37.5 37.5 37.5 37.5 37.5 Ratio a: b 1.414 1.414 1.414 1.414 1.414

Claims (24)

  1. Construction unit comprising at least one beam in the form of a hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13) extruded from a light-metal alloy provided on at least one side (18, 19) of the section determining an outer surface with at least one undercut longitudinal groove (28) parallel to the longitudinal axis (A) of the beam or section for receiving a connecting element (30) for another beam of the construction unit, the beams being hollow sections with a rectangular cross section of different cross-sectional length (a) and cross-sectional width (b) and the associated sides (18, 19) of the beams containing the longitudinal grooves for the connecting element (30) having approximately the same cross-sectional dimensions, characterised in that the cross-sectional length (a) of the at least one hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13) corresponds to the cross-sectional width (b) of the associated other hollow section and the narrow side (18) of the at least one hollow section and its longitudinal side (19) each have a pair of undercut longitudinal grooves (28), one longitudinal groove in each case being adjacent to one of the two comers (16) delimiting the respective side (18, 19) of the section.
  2. Construction unit consisting of at least two beams according to claim 1, characterised in that, in each case, two of the beams in the form of hollow sections (10, 10a to 10g; 11, 11a, 11n; 12; 13) are situated adjacent to one another by means of a pair of identical sides (18, 19), the side of one hollow section being determined by its cross-sectional length (a) and the adjacent side of the other hollow section being determined by its cross-sectional width (b).
  3. Construction unit consisting of at least two beams according to claim 1, characterised in that one side (18 or 19) of a first beam in the form of a hollow section (10, 10a to 10g; 11, 11a, 11n; 12; 13) is situated adjacent to two respective sides (18, 19) of other beams in the form of hollow sections, the respective centre lines (M) of longitudinal grooves (28) of the two adjacent hollow sections being aligned with the centre lines of the two longitudinal grooves of the first beam.
  4. Construction unit according to claim 1 or claim 2, characterised in that the centre line (M) of at least one longitudinal groove (28) of the side (18) of the at least one hollow section (10, 10a to 10g; 11, 11a, 11n; 12; 13) is aligned with the centre line of a longitudinal groove of the other hollow section and the two longitudinal grooves receive a joint connecting element (30) for the positive connection of the two hollow sections.
  5. Construction unit according to one of claims 1 to 4, characterised by a slide-in or plug-in element (30) with an I-shaped cross section as the connecting element.
  6. Construction unit according to one of claims 1 to 5, characterised in that, in each case, two pairs of undercut longitudinal grooves (28) each extending close to the comers (16) of the section are aligned opposite one another on the adjacent narrow sides (18) and longitudinal sides (19) of the hollow sections.
  7. Construction unit according to one of claims 1 to 6, characterised in that the comer regions of the hollow sections (10, 10a to 10g or 11, 11a, 11n) having a channel-like hollow space (24, 40) flanked by two longitudinal grooves (28) have the same shape and dimensions.
  8. Construction unit according to one of claims 1 to 6, characterised in that the comer regions (16a) of the hollow sections (12, 13) having a closed cross section and flanked by two longitudinal grooves (28) have the same shape and dimensions.
  9. Construction unit according to one of claims 1 to 8, characterised in that the ratio between the cross-sectional length (a) and the cross-sectional width (b) of the at least one beam or hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13) is between 1.2 and 2.4.
  10. Construction unit according to one of claims 1 to 9, characterised by a ratio between the cross-sectional length (a) and the cross-sectional width (b) of the at least one beam or hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13) of approximately 1.414.
  11. Construction unit according to one of claims 1 to 10, characterised in that, in the at least one beam or hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13), a rectangular hollow space (14) is designed as an axial opening, its inner cross-sectional length (c) being greater than its inner cross-sectional width (c1).
  12. Construction unit according to claim 11, characterised by a ratio between the cross-sectional length (c) and the cross-sectional width (c1) of the hollow space (14) of approximately 1.4 to 2.5.
  13. Construction unit according to one of claims 11 to 12, characterised in that at least two opposing sides (18, 19) of the at least one beam or hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13) each have a pair of undercut longitudinal grooves (28) and each longitudinal groove is adjacent to a channel-like hollow space (24, 40) in the section associated with each comer (16).
  14. Construction unit according to claim 13, characterised in that the narrow side (18) of the at least one hollow section (10) is provided approximately centrally with an undercut longitudinal groove (28) and a pair of undercut longitudinal grooves (28) is provided in the longitudinal side (19) of the section, one longitudinal groove in each case being adjacent to one of the two comers (16) delimiting the longitudinal side (19) of the section.
  15. Construction unit according to claim 13 or claim 14, characterised in that the distance (n) between the centre line (M) of each of the two longitudinal grooves (28) extending close to the comers (16) of the at least one hollow section (10, 10a to 10g; 11, 11a, 11n; 12; 13) and the comer is identical.
  16. Construction unit according to one of claims 13 to 15, characterised in that the undercut space (26) of the longitudinal groove (28) of the at least one beam or hollow section (10, 10a to 10g; 11, 11a, 11n, 12; 13) has a rectangular cross section.
  17. Construction unit according to claim 16, characterised in that the thickness (f2) of ribs (22a) delimiting the longitudinal groove (28) corresponds approximately to the height (h) of the undercut space (26).
  18. Construction unit according to one of claims 13 to 17, characterised in that a comer region (16a) with a closed cross section extends between the two undercut longitudinal grooves (28) of the at least one beam or hollow section (12, 13) provided on either side of a comer (16).
  19. Construction unit according to claim 18, characterised in that at least one diagonal groove (42) is formed in the closed comer region (16a) from the central hollow space (14).
  20. Construction unit according to one of claims 13 to 17, characterised in that a comer channel (40) having a closed cross section in the form of a hollow space in the section extends in the corner (16) between the two undercut longitudinal grooves (28) of the at least one beam or hollow section (11, 11a, 11n) provided on either side of a comer (16).
  21. Construction unit according to one of claims 13 to 17, characterised in that a channel-like hollow space (24) in the section extending in the comer between the two undercut longitudinal grooves (28) of the at least one beam or hollow section (10, 10a to 10g) arranged on either side of a comer (16) opens on to an adjacent side (18 or 19) of the section in the form of an undercut edge groove (20).
  22. Construction unit according to claim 21, characterised in that an edge groove (20) departing from the hollow space (24) in the section is provided on each narrow side (18) and longitudinal side (19) of the at least one beam or hollow section (10, 10a to 10g).
  23. Construction unit according to claim 21 or claim 22, characterised in that the thickness (f) of ribs (22) delimiting the edge groove (20) is shorter than the thickness (f1) of the ribs (22a) delimiting the longitudinal groove (28).
  24. Construction unit according to one of claims 11 to 23, characterised in that the central hollow space (14) of the at least one beam or hollow section (10e, 11) is subdivided by means of webs (38, 38a, 39) inclined relative to its sides (18, 19).
EP98810621A 1997-07-18 1998-07-02 Building set comprising a beam with a hollow polygonal section made from extruded light metal alloys Expired - Lifetime EP0892123B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19731028 1997-07-18
DE19731028 1997-07-18
DE19735830 1997-08-18
DE19735830A DE19735830C2 (en) 1997-07-18 1997-08-18 Carrier in the form of an extruded hollow section of rectangular cross-section from a metal alloy, and kit of such carriers

Publications (3)

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EP0892123A2 EP0892123A2 (en) 1999-01-20
EP0892123A3 EP0892123A3 (en) 2000-06-07
EP0892123B1 true EP0892123B1 (en) 2004-12-22

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ATE285498T1 (en) 2005-01-15
EP0892123A3 (en) 2000-06-07
EP0892123A2 (en) 1999-01-20
JPH1181553A (en) 1999-03-26
US6195953B1 (en) 2001-03-06

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