EP2483492B1 - Élément profilé de construction léger, à parois minces, formé à froid, et procédé de fabrication d'un tel élément profilé - Google Patents

Élément profilé de construction léger, à parois minces, formé à froid, et procédé de fabrication d'un tel élément profilé Download PDF

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Publication number
EP2483492B1
EP2483492B1 EP10766241A EP10766241A EP2483492B1 EP 2483492 B1 EP2483492 B1 EP 2483492B1 EP 10766241 A EP10766241 A EP 10766241A EP 10766241 A EP10766241 A EP 10766241A EP 2483492 B1 EP2483492 B1 EP 2483492B1
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EP
European Patent Office
Prior art keywords
longitudinal
portions
section
edges
extending
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.)
Active
Application number
EP10766241A
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German (de)
English (en)
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EP2483492A2 (fr
Inventor
Christof Maisch
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.)
Protektorwerk Florenz Maisch GmbH and Co KG
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Protektorwerk Florenz Maisch 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
Priority claimed from DE102009048152A external-priority patent/DE102009048152A1/de
Priority claimed from DE201010026320 external-priority patent/DE102010026320A1/de
Priority to PL10766241T priority Critical patent/PL2483492T3/pl
Priority to SI201030199T priority patent/SI2483492T1/sl
Priority to DK12197573.4T priority patent/DK2573291T3/en
Priority to EP12197573.4A priority patent/EP2573291B1/fr
Application filed by Protektorwerk Florenz Maisch GmbH and Co KG filed Critical Protektorwerk Florenz Maisch GmbH and Co KG
Priority to PL12197573T priority patent/PL2573291T3/pl
Priority to MEP-2013-36A priority patent/ME01492B/me
Publication of EP2483492A2 publication Critical patent/EP2483492A2/fr
Publication of EP2483492B1 publication Critical patent/EP2483492B1/fr
Application granted granted Critical
Priority to CY20131100382T priority patent/CY1113986T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/083—Honeycomb girders; Girders with apertured solid web
    • E04C3/086—Honeycomb girders; Girders with apertured solid web of the castellated type
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • 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
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders 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
    • E04C2003/0408—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
    • E04C2003/0413—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 being built up from several parts
    • 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
    • E04C2003/0434—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 open cross-section free of enclosed cavities
    • 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
    • Y10T29/49826—Assembling or joining

Definitions

  • the present invention relates to a thin-walled cold-formed lightweight profile element according to the preamble of claim 1. Furthermore, the invention is directed to a method for producing such a thin-walled cold-formed profile element.
  • Thin-walled cold-formed profile elements of this type are used, for example, as C-shaped stand profiles for drywall
  • the openings provided in the profile body of the profile element can serve, for example, as passage openings for cables, lines or other elongated, band or cord-shaped elements and pipes or other hollow body , Furthermore, these openings can also serve for ventilation or allow the penetration of fillers such as insulation material.
  • a profile element of the type mentioned and a corresponding manufacturing method are from the US 5,661,881 known. However, the rigidity of the profile elements described is reduced due to the two-part design.
  • the Term "transverse" thus perpendicular but also obliquely to the longitudinal extent of the profile element or the longitudinal sections.
  • the connecting portions are welded together in abutment or joined together along bent abutting edges, so that there are no large overlapping areas, but essentially edge connections between the two longitudinal sections.
  • the stiffening beads which are arranged according to the invention and extend over the weld seams, optimally ensure that stiffening takes place selectively against the areas of the profile element weakened by the openings, so that the rigidity of the profile element is equivalent to or even higher than known profile elements is improved.
  • the torsion and the deflection stiffness of a profile element designed according to the invention can be increased by the stiffening beads.
  • a method is described in which at least two separate longitudinal sections each having a meandering longitudinal edge are provided for producing the profile body, wherein the longitudinal sections each comprise an elongated section and a plurality of laterally projecting beyond the elongate section connecting portions extending from the meandering Longitudinal edge are bordered that the longitudinal portions are arranged so that they lie flat against each other and abutting longitudinally connecting edges of the connecting portions of a longitudinal portion directly to longitudinally extending connecting edges of the connecting portions of the other longitudinal portion that the connecting portions of a longitudinal portion with the connecting portions of other longitudinal section connected, in particular welded, that one of the two longitudinal sections relative to the other Is longitudinal section so pivoted about the connecting edges, that the connecting portions along bent abutting edges are interconnected and between portions of the meandering longitudinal edges, the openings are formed, and that in the longitudinal sections in the longitudinal direction of the longitudinal sections extending stiffening beads and transversely extending stiffening beads are formed, wherein the transverse extending stiffening beads are in
  • the connecting portions of the two longitudinal sections each comprise connecting edges or bent abutting edges, which face each other and extend substantially parallel to each other.
  • the longitudinal sections can ultimately be connected to one another via these connecting edges or bent abutting edges.
  • the connecting edges preferably extend substantially parallel, perpendicular or obliquely, for example at a 45 ° angle, and the bent-over abutting edges parallel to the longitudinal extent of the longitudinal sections.
  • the connecting portions are T-shaped, web-shaped, trapezoidal or triangular or comprise hexagonal areas.
  • predetermined properties of the profile element such as its stiffness can be influenced.
  • a different type of connection of the two longitudinal sections is possible depending on the selected shape of the connecting portions, as will be described in more detail in this application.
  • a connecting section of the one longitudinal section preferably faces a connecting section of the other longitudinal section.
  • connecting sections may also be provided which are arranged alternately in the longitudinal direction of the profile element. The arrangement of the connecting sections in the final profile element in turn depends on different types of connection, which will also be described below.
  • the longitudinal sections have a thickness of approximately between 0.5 mm and 3 mm.
  • the profile elements according to the invention are thus lightweight profiles which can be used in different ways. For example, in addition to the uses mentioned above, applications in the automotive sector, in control cabinet construction, in ceiling systems or even as vine supports or vine posts are conceivable.
  • the welded joint between the connecting sections is formed as a broken laser weld.
  • the laser weld seam can be formed with a reduced in the transverse direction expansion. Due to the low expansion and the resulting heat concentration in a small space a very high hardness is achieved in the melted in the laser welding zone of the profile element after cooling.
  • the seam can be produced exactly in the middle between the butt joint butt joint edges, so that the subsequent areas of the profile element by the welding process are not impaired and beyond a very smooth transition between the two longitudinal sections is achieved.
  • the stiffening beads extend over the welds between the connection sections. As a result, an additional reinforcement of the welded joints is achieved.
  • a longitudinally extending stiffening bead formed in a longitudinal section is connected via one or more of the transverse stiffening beads to a longitudinally extending stiffening bead formed in the other longitudinal section.
  • the stiffening beads can thereby form a kind of conductor structure, by which in particular the openings are completely enclosed. As a result, the rigidity of the profile element is increased voltage-optimally just in the weakened by the openings areas.
  • the longitudinally extending stiffening beads extend over the entire length of the respective longitudinal section.
  • the improved rigidity can be achieved uniformly over the entire length of the profile element.
  • the stiffening beads extending in the longitudinal direction are interrupted once or several times, as long as the desired stiffness is maintained.
  • the material surrounding the openings of the profile body may be deep-drawn.
  • an increased rigidity of the profile element is again achieved, especially in the weakened region of the openings.
  • the edges of the profile body bordering the openings can be bent, in particular formed as flanged edges.
  • connecting sections of the one longitudinal section can be connected to the connecting sections of the other longitudinal section via an intermediate element arranged between the longitudinal sections, so that there is an indirect connection between the connecting sections.
  • the connection between the connecting elements and the intermediate element can be done shock and impact or overlapping.
  • the intermediate element can be designed as an elongated, strip-shaped element.
  • the intermediate element may have a thickness which is the same size as the thickness of the longitudinal sections.
  • the intermediate element may have longitudinal edges extending substantially parallel to the longitudinal extension of the longitudinal sections. As a result, a simple connection of the connecting edges of the connecting elements with the longitudinal edges of the intermediate element is possible.
  • the connecting portions may be connected to the intermediate member by a pressure joining method such as clinching or crimping, by jamming, crimping, crimping, welding, screwing, gluing, riveting or crimping, or by a plug connection.
  • a pressure joining method such as clinching or crimping, by jamming, crimping, crimping, welding, screwing, gluing, riveting or crimping, or by a plug connection.
  • the welded connection can again be formed advantageously as a laser welding connection with the advantages mentioned.
  • the intermediate element may advantageously have a thickness of about 0.5 mm and 3 mm.
  • the intermediate element can also consist of a different material than the longitudinal sections.
  • the intermediate element made of plastic, in particular of PVC, and the longitudinal sections of metal, in particular of aluminum, exist.
  • plastic By using plastic on the one hand, the weight of the overall profile can be further reduced and on the other hand, a good thermal insulation is possible. Furthermore, the cost can be reduced by the use of plastic.
  • the separate longitudinal sections can already be produced originally from separate material sections. These may for example have the same or different thicknesses and consist of the same or different materials.
  • the separate longitudinal sections can be produced from an originally uniform material section.
  • at least one meander-shaped slot extending in the longitudinal extent of the starting material can be introduced into an elongated strip-shaped starting material, by means of which the starting material is divided into the two separate longitudinal sections.
  • at least two strip-shaped material sections can be laid flat on one another and for a cutting process to introduce a meander-shaped slot passing through both material sections, so that at least four longitudinal sections are produced in one cutting operation.
  • two can each be connected to a profile body.
  • the longitudinal sections are moved apart substantially perpendicular to their longitudinal extent. Basically, however, too a movement apart obliquely to the longitudinal extent of the longitudinal sections conceivable.
  • the joining of the longitudinal sections can take place immediately after the longitudinal sections apart transversely to their longitudinal extent
  • in addition to the moving apart of the longitudinal sections transversely to their longitudinal extent substantially be moved against each other in the longitudinal direction.
  • This longitudinal displacement of the longitudinal sections can take place before, after or simultaneously with the moving apart of the longitudinal sections transversely to their longitudinal extent.
  • Such longitudinal displacement may be required, for example, to bring the connecting edges of two opposite connecting portions into contact, so as to allow a connection of the connecting portions of the two opposite longitudinal sections.
  • the connecting sections of one longitudinal section can be connected directly to the connecting sections of the other longitudinal section, in particular butt and joint or overlapping.
  • the longitudinal sections are moved apart until a distance between the longitudinal sections arises, that between the spaced longitudinal sections a particular elongated strip-shaped intermediate element is placed and that the connecting portions of the two longitudinal sections with the intermediate element, in particular shock and push or overlapping. In this way, even larger widths of the profile element can be achieved.
  • Fig. 1 shows a profile element 1, which is designed as a C-profile.
  • the profile element 1 comprises a profile body 2, which has a profile web 3 and two laterally adjoining profile leg 4, which are each angled at right angles to the profile web 3.
  • the free longitudinal edges of the profile legs 4 are each in turn about 90 ° to form angled from the C profile.
  • the profile element 1 according to the invention can also be designed, for example, as a U-profile, L-profile, T-profile, H-profile, top-hat profile or Z-profile.
  • a plurality of openings 5 is formed, which can serve for example as through holes for cables or other elements to be laid.
  • the openings 5 of the profile element 1 are produced according to the invention without loss of material, as described below with reference to the Fig. 2 to 4 is explained in more detail.
  • Fig. 2 shows a strip of material 6, for example, a metal strip, which serves as a starting material for the profile body 2. While in the Fig. 2 to 4 in each case only a relatively narrow region of the material strip 6 is shown, which is ultimately used to form the profile web 3, at the outer edges 7, 8 each further material areas adjoin, for example, the profile legs 4 are formed by corresponding bending.
  • a meandering slot 9 extending in the longitudinal extent of the material strip 6 is formed, through which the material strip 6 and thus the profile body 2 is divided into two separate longitudinal sections 10, 11.
  • the meandering longitudinal edges 12, 13 each comprise longitudinally extending and perpendicularly extending edge portions.
  • web-shaped connecting portions 14, 15 of the longitudinal sections 10, 11 are formed, which are each integrally connected to elongate sections 16, 17 of the longitudinal sections 10, 11 and laterally project beyond this. How to continue Fig. 2 can be seen, the web-shaped connecting portions 14 are bounded by the meandering longitudinal edge 12 and the web-shaped connecting portions 15 of the meandering longitudinal edge 13.
  • the two longitudinal sections 10, 11 are pulled apart transversely to the longitudinal extent of the strip of material 6 until they are in Fig. 3 occupy the position shown. In this position are in the longitudinal direction of the longitudinal sections 10, 11 extending connecting edges 20, 21 of the connecting portions 14, 15 on a dashed line shown straight line 22, which also extends in the longitudinal direction of the longitudinal sections 10, 11.
  • Fig. 4 are in a next step, the two longitudinal sections 10, 11 according to arrows 25, 26 in the longitudinal direction of the longitudinal sections 10, 11 against each other, until each connecting section 14 a connecting portion 15 is opposite. Accordingly, in each case a connecting edge 20 abuts against a connecting edge 21 in this position, as shown in FIG Fig. 4 is shown.
  • the longitudinal sections 10, 11 along the abutting joint edges 20, 21 are welded together, for example, laser welded, whereby the final shape of the profile web 3 is achieved with the openings 5.
  • Fig. 5 differs from the embodiment described so far only in that 9 T-shaped connecting portions 23, 24 are formed by the meandering slot.
  • the two longitudinal sections 10, 11 according to the arrows 18, 19 are in this embodiment again pulled apart transversely to its longitudinal extent, as in Fig. 6 is shown.
  • the connecting edges 20, 21 of the T-shaped connecting portions 23, 24 are again in line and can be welded, for example laser-welded, to form the profile web 3 and the openings 5 along the connecting edges 20, 21.
  • the openings 5 are not arranged in the longitudinal direction one behind the other in this embodiment, but alternately, as it is made Fig. 6 is recognizable. Due to the T-shaped design of the connecting portions 23, 24, the connecting edges 20, 21 are already at least partially abutting one another after being pulled apart transversely to the longitudinal direction of the longitudinal sections 10, 11, so that the described connection can already be made in this state.
  • the longitudinal sections 10, 11 are additionally displaced in the longitudinal direction according to arrows 25, 26 until they are in Fig. 7 reach shown positions.
  • the connecting edges 20, 21 are completely against each other and can be welded together to produce the profile web 3,
  • the openings 5 are again arranged lying one behind the other in the longitudinal direction and have an H-shaped configuration formed by the meandering longitudinal edges 12, 13.
  • the longitudinal sections 10, 11 of the FIGS. 2 and 3 continue to be pulled apart according to the arrows 18, 19 until they reach the in Fig. 8 reach shown positions in which they are spaced from each other.
  • an additional intermediate element 27 in the form of an elongated strip-shaped element between the two longitudinal sections 10, 11 are used, as in Fig. 9 is shown.
  • the intermediate element 27 has parallel to the longitudinal extent of the longitudinal sections 10, 11 extending longitudinal edges 28, 29, which abut against the connecting edges 20, 21 of the connecting portions 14, 15, as is apparent from Fig. 9 can be seen.
  • the connecting edges 20, 21 are then connected to the longitudinal edges 28, 29 of the intermediate element 27, for example, welded.
  • the openings 5 are formed, which in turn are arranged alternately in the longitudinal direction of the profile web 3.
  • connection of the longitudinal sections 10, 11 via the intermediate element 27 has been described in each case with reference to longitudinal sections 10, 11 with web-shaped connecting portions 14, 15, the connecting portions may also be another suitable form, for example, the T-shaped configuration of the connecting portions 23, 24 of the Fig. 5 to 7 have. Furthermore, in all embodiments, the connection between the connecting portions 14, 15 and 23, 24 has been described with the intermediate element 27 as a compound whose edges 20, 21 and 28, 29.
  • the connecting portions overlap with the intermediate element and corresponding surface connections between these elements, for example by Druckhegeclar as Verclinchen or crimping, by jamming, crimping, pressing, welding, screwing, gluing, riveting or folding or by a Plug connection are generated.
  • Fig. 11 a corresponding planar seam connection between the web 27 and the connecting portions 14 cut in a detail view shown.
  • stiffening beads 30 are formed in the material section 6, as they are only in FIG Fig. 10 are shown. These stiffening beads 30 are formed in the connecting portions or extend into this. By a profile transverse to the longitudinal direction of the profile web 3, an advantageous stiffening is achieved. Also in the region of the longitudinal edges 7, 8 corresponding stiffening beads 31 extending in the longitudinal direction of the material section 6 are formed, which are in connection with the stiffening beads 30, as shown in FIG Fig. 10 is shown.
  • the stiffening beads 30 may extend from a longitudinally extending stiffening bead 31 to the opposite stiffening bead 31, so that they are connected to each other and the openings 5 are completely enclosed by stiffening beads as in Fig.
  • stiffening beads 31 extend over the welds, in order to additionally strengthen them. Corresponding stiffening beads are provided in all embodiments, even if they are not explicitly shown.
  • the intermediate element 27 may be formed over the entire surface or comprise openings, not shown. These openings can be achieved for example by punching.
  • the intermediate element 27 can also be provided and widened by means of a corresponding stretching method with openings.
  • stiffening elements for example in the form of embossments or stiffening beads may be formed.
  • the embodiment according to Fig. 12 differs from the embodiment according to the Fig. 2 to 4 in that the two longitudinal sections 10, 11 are pulled apart from one another transversely to the longitudinal extension of the strip of material 6 only to the extent that the connecting sections 14, 15 still engage in one another like a comb, as shown in FIG Fig. 12 is shown. In this position, the abutting edges form abutting edges the connecting portions 14, 15, the connecting edges 20, 21, which are butt welded together.
  • Fig. 13 shows a profile element formed as a base profile, in which two outer longitudinal sections 32 are fitted together with a strip-shaped intermediate element 33 arranged therebetween.
  • the intermediate element 33 has a single-layer central region 34, adjoined by two double-layered outer regions 35. These are U-shaped in cross section and form receptacles 36 for the connecting portions 55 of the longitudinal sections 32, in which they can be inserted and clamped.
  • the longitudinal sections 32 may be formed of metal, in particular of aluminum, while the intermediate element 33 may preferably be formed of plastic and in particular as an injection molded part or as a continuously extruded profile.
  • the connecting portions are formed as hexagonal connecting portions 37, 38.
  • the hexagonal connecting sections 37, 38 each comprise a hexagonal area 39 and a trapezoidal area 40 adjoining thereto, which is connected to the elongated section 16 or 17, respectively.
  • the connecting edges 20, 21 are formed as oblique cascades of the hexagonal areas 39 and run in particular at a 45 ° angle to the longitudinal extent of the material strip 6.
  • the connecting edges 20, 21 and adjoining edges 41 of the hexagonal areas 39 each close an angle of 90 °, so that corresponding angles ⁇ , ⁇ of the openings 5 are formed as 90 ° angle.
  • the connecting edges 20, 21 abut each other abutting each other and are, analogous to the embodiment according to Fig. 12 , butt welded together, especially laser welded.
  • the connecting portions are formed as triangular connecting portions 45, 46.
  • a sawtooth-shaped slot is made in the material strip 6, through which the meandering longitudinal edges 12, 13 are formed.
  • the two longitudinal sections 10, 11 according to two arrows 49, 50 are pulled apart at an angle to the longitudinal extent of the material strip 6.
  • the direction of movement of the two longitudinal sections 10, 11 in this case runs essentially parallel to two flanks 51, 52 of the meandering longitudinal edges 12, 13.
  • the two longitudinal sections 10, 11 are pulled apart only to the extent that the flanks 51, 52 still partially touch, whereby the connecting edges 20, 21 are formed.
  • This in Fig. 16 shown embodiment again comprises trapezoidal connecting portions 47, 48, which are each connected with their long base side with the elongated portions 16, 17.
  • the two longitudinal sections 10, 11 are, similar to the Fig. 15 described, according to two arrows 53, 54 obliquely to the longitudinal extent of the strip of material 6 and substantially parallel to the legs of the trapezoidal portions 47, 48 pulled apart to the in Fig. 16 reach the position shown. In this position, the legs of the trapezoidal sections 47, 48 still partially in connection, whereby the connecting edges 20, 21 are formed.
  • Fig. 17 shows the skeleton of a shelf 42, in which the vertical support 43 are formed by profiles, according to the embodiment of Fig. 12 are formed.
  • the horizontal supports 44 are exemplary according to the exemplary embodiment Fig. 14 educated. This is at the top of each Fig. 17 shown schematically.
  • both the horizontal and the vertical support 43, 44 may be formed according to another embodiment described in the application.
  • Fig. 18 schematically shows that the openings 5 may be formed not only in the profile web 3, but alternatively or additionally in one or both profile legs 4. Furthermore, in Fig. 19 schematically shown that the openings 5 can also extend from the profile web 3 on the outer edges 7, 8 in the profile leg 4 in. In addition, 5 may also be provided completely in the profile web 3 and / or in one or both profile legs 4 arranged openings. These different arrangements of the openings 5 can be provided in all embodiments of the invention.
  • Fig. 20 shows a variety of other possible embodiments of the invention. Shown in each case are material strips 6 into which meander-shaped slots of most different shape have been introduced, the two longitudinal sections of the material strip 6 then being pulled apart transversely to the longitudinal extent of the material strip 6 and in some cases additionally displaced against one another in the longitudinal direction.
  • the resulting openings 5 are each hatched. In all embodiments are by sections the meandering longitudinal edges connecting edges 20, 21 formed, which are each shown in bold for clarity. About the connecting edges 21, 21, the two longitudinal sections 10, 11 are each butt welded together, as already explained to the embodiments described above.
  • the openings 5 may have, for example, diamond-shaped, flag-shaped, octagonal or the other represented geometric shapes. As shown, depending on the shape, the two longitudinal sections 10, 11 transverse to their longitudinal extent, in the direction of disengagement, undercuts form, which additionally reinforce the connection between the longitudinal sections 10, 11.
  • Fig. 21 two substantially equal thickness, flat strips of material 6, 6 'are arranged so that they lie flat on each other.
  • a uniform meander-shaped slot 9 was introduced, through which the strips of material 6, 6' in two longitudinal sections 10, 11 and 10 ', 11' are shared.
  • the profile element 1 is not formed by the originally contiguous longitudinal sections 10, 11 and 10 ', 11' in this embodiment, but it is formed two profile elements, one of the longitudinal sections 10, 10 'and the other consists of the longitudinal sections 11, 11 '.
  • the superimposed longitudinal sections 10, 10 ' are separated from the respective other longitudinal sections 11, 11' in order to form together mutually independent profile elements.
  • FIGS. 22 and 23 is an example of the production of the profile element 1 with the longitudinal sections 11, 11 'shown. The superimposed
  • connection between the bent abutting edges 56 can also be produced by other types of connection, such as overlap welding, folding, gluing, clinching, riveting or stapling.
  • pivoting of the longitudinal sections can also take place at a different angle of 180 °, in particular smaller or larger, depending on which shape is to receive the final profile element.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Floor Finish (AREA)
  • Body Structure For Vehicles (AREA)
  • Finishing Walls (AREA)
  • Panels For Use In Building Construction (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)
  • Building Environments (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (15)

  1. Élément profilé pour construction légère, à parois minces et formé à froid, en particulier profilé de construction, comme par exemple profilé pour la construction posée à sec, profilé de façade, profilé de crépi, profilé de socle, profilé de ragréage, profilé pour carrelage ou profilé porte-câbles, ou rail pour étagère ou pour assèchement, comprenant un corps de profilé étiré en longueur (2) en particulier en métal ou en matière plastique, dans lequel sont ménagées une pluralité d'ouvertures (5),
    dans lequel le corps de profilé (2) comprend au moins deux tronçons longitudinaux (10, 11) réalisés séparément,
    chaque tronçon longitudinal (10, 11) comporte une arête longitudinale (12, 13) réalisée en forme de méandres,
    les tronçons longitudinaux comprennent chacun un tronçon étiré en longueur (16, 17) ainsi qu'une pluralité de tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) qui dépassent latéralement au-delà du tronçon étiré en longueur (16, 17) et qui sont bordés par l'arête longitudinale (12, 13) en forme de méandres,
    dans lequel les tronçons de liaison (14, 23, 37, 45, 47) de l'un des tronçons longitudinaux (10) sont tournés vers les tronçons de liaison (15, 24, 38, 46, 48) de l'autre tronçon longitudinal (11) et sont respectivement soudés bord à bord avec ceux-ci ou reliés ensemble le long d'arêtes de jointure (56) recourbées, et
    dans lequel les ouvertures (5) sont au moins localement bordées par des tronçons d'arêtes longitudinales (12, 13) en forme de méandres,
    caractérisé en ce que
    des moulures de rigidification (31) s'étendant en direction longitudinale des tronçons longitudinaux (10, 11) ainsi que des moulures de rigidification (30) s'étendant transversalement à celles-ci sont réalisées dans les tronçons longitudinaux (10, 11),
    en ce que les moulures de rigidification (30) s'étendant transversalement sont reliées aux moulures de rigidification (31) s'étendant en direction longitudinale, et
    en ce que les moulures de rigidification (30) s'étendant transversalement s'étendent jusqu'à l'intérieur des tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) et au-delà des cordons de soudures entre les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47,48).
  2. Élément profilé pour construction légère, à parois minces et formé à froid selon la revendication 1,
    caractérisé en ce que les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) des deux tronçons longitudinaux (10, 11) comportent chacun des arêtes de liaison (20, 21) ou des arêtes de jointure (56) recourbées, qui sont tournées les unes vers les autres et qui s'étendent sensiblement parallèlement les unes aux autres
  3. Élément profilé pour construction légère, à parois minces et formé à froid selon la revendication 1 et où 2,
    caractérisé en ce que les arêtes de liaison (20, 21) s'étendent sensiblement parallèlement, perpendiculairement ou en oblique, et les arêtes de jointure recourbées (56) s'étendent sensiblement parallèlement à l'extension longitudinale des tronçons longitudinaux (10, 11).
  4. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications précédentes,
    caractérisé en ce que les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) sont réalisés en forme de T, en forme de barrette, en forme de trapèze ou de triangle, ou comportent des zones hexagonales.
  5. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications précédentes,
    caractérisé en ce qu'un tronçon de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) respectif de l'un des tronçons longitudinaux (10, 11) est à l'opposé d'un tronçon de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) de l'autre tronçon longitudinal (10, 11)
  6. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications 1 à 5,
    caractérisé en ce que les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) sont agencés en alternance dans la direction longitudinale de l'élément profilé (1).
  7. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications précédentes,
    caractérisé en ce que les tronçons longitudinaux (10, 11) ont une épaisseur comprise environ entre 0,5 mm et 3 mm.
  8. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications précédentes,
    caractérisé en ce que la liaison soudée entre les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) est réalisée sous forme de cordon de soudure au laser avec interruption.
  9. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications précédentes,
    caractérisé en ce qu'une moulure de rigidification (31) réalisée dans un tronçon longitudinal (10, 11) et s'étendant en direction longitudinale est reliée à une moulure de rigidification (31) réalisée dans l'autre tronçon longitudinal (10, 11) et s'étendant en direction longitudinale via une ou plusieurs moulures de rigidification (30) s'étendant transversalement.
  10. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une au moins des revendications précédentes,
    caractérisé en ce que les moulures de rigidification (31) qui s'étendent en direction longitudinale s'étendent sur la totalité de la longueur du tronçon longitudinal respectif (10, 11) ou sont interrompues une fois ou plusieurs fois.
  11. Élément profilé pour construction légère, à parois minces et formé à froid selon l'une des revendications précédentes,
    caractérisé en ce que le matériau du corps profilé (2) qui borde les ouvertures (5) est embouti,
    et/ou en ce que les arêtes du corps de profilé (2) qui bordent les ouvertures (5) sont recourbées, et en particulier réalisées sous forme d'arêtes rabattues.
  12. Procédé pour fabriquer un élément profilé pour construction légère, à parois minces et formé à froid, en particulier profilé de construction, comme par exemple profilé pour la construction posée à sec, profilé de façade, profilé de crépi, profilé de socle, profilé de ragréage, profilé pour carrelage ou profilé porte-câbles, ou rail pour étagère ou pour assèchement, comprenant un corps de profilé étiré en longueur (2) en particulier en métal ou en matière plastique, dans lequel sont ménagées une pluralité d'ouvertures (5),
    dans lequel, pour produire le corps de profilé (2), on prépare deux tronçons longitudinaux séparés (10, 11) avec chacun une arête longitudinale (12, 13) en forme de méandres, tels que les tronçons longitudinaux (10, 11) comprennent chacun un tronçon étiré en longueur (16, 17) ainsi qu'une pluralité de tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) qui dépassent latéralement au-delà du tronçon étiré en longueur (16, 17) et qui sont bordés par l'arête longitudinale (12, 13) en forme de méandres,
    dans lequel les tronçons longitudinaux (10, 11) sont déplacés en éloignement l'un de l'autre transversalement à leur extension longitudinale, et
    dans lequel les tronçons de liaison (14, 23, 37, 45, 47) de l'un des tronçons longitudinaux (10) sont soudés bord à bord avec les tronçons de liaison (15, 24, 38, 46, 48) de l'autre tronçon longitudinal (11) de telle façon que les ouvertures (5) sont formées entre des tronçons des arêtes longitudinales (12, 13) en forme de méandres,
    caractérisé en ce que
    des moulures de renforcement (31) s'étendant en direction longitudinale des tronçons longitudinaux (10, 11) ainsi que des moulures de renforcement (30) s'étendant perpendiculairement à celles-ci sont réalisées dans les tronçons longitudinaux (10, 11), et les moulures de renforcement (30) s'étendant transversalement sont reliées aux moulures de renforcement (31) s'étendant en direction longitudinale, et les moulures de renforcement (30) s'étendant transversalement s'étendent jusque dans les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48), et au-delà des cordons de soudures entre les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48).
  13. Procédé selon la revendication 12,
    caractérisé en ce que
    les tronçons longitudinaux (10, 11) sont déplacés en éloignement l'un de l'autre sensiblement perpendiculairement ou en oblique par rapport à leur extension longitudinale
    et/ou
    en ce que, en supplément au déplacement des tronçons longitudinaux (10, 11) en éloignement transversalement à leur extension longitudinale, les tronçons longitudinaux (10, 11) sont déplacés l'un par rapport à l'autre sensiblement en direction longitudinale et/ou
    en ce que le déplacement longitudinal des tronçons longitudinaux (10, 11) a lieu avant, après ou simultanément avec le déplacement des tronçons longitudinaux (10, 11) en éloignement transversalement à leur extension longitudinale.
  14. Procédé selon l'une au moins des revendications 12 ou 13, caractérisé en ce que
    dans au moins un matériau de départ (6) en forme de bande étirée en longueur, on ménage au moins une fente (9) en forme de méandres qui s'étend dans l'extension longitudinale du matériau de départ (6), fente au moyen de laquelle le matériau de départ (6) est divisé en au moins deux tronçons longitudinaux (10, 11) séparés.
  15. Procédé selon l'une au moins des revendications 12 à 14, caractérisé en ce que les tronçons de liaison (14, 15, 23, 24, 37, 38, 45, 46, 47, 48) sont reliés les uns aux autres par soudage au laser.
EP10766241A 2009-10-01 2010-09-27 Élément profilé de construction léger, à parois minces, formé à froid, et procédé de fabrication d'un tel élément profilé Active EP2483492B1 (fr)

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MEP-2013-36A ME01492B (me) 2009-10-01 2010-09-27 Tankostijeni hladno - preoblikovani profilni element lake gradnje i postupak za izradu takvog profilnog elementa
SI201030199T SI2483492T1 (sl) 2009-10-01 2010-09-27 Tankostenski hladno preoblikovani lahki konstrukcijski profilni element in postopek za izdelavo takega profilnega elementa
DK12197573.4T DK2573291T3 (en) 2009-10-01 2010-09-27 Thin-walled cold formed lightweight sectional ELEMENT AND METHOD OF PRODUCING SUCH PROFILE ELEMENT
EP12197573.4A EP2573291B1 (fr) 2009-10-01 2010-09-27 Élément de profilé de construction légère formé à froid à paroi mince et procédé de fabrication d'un tel élément de profilé
PL10766241T PL2483492T3 (pl) 2009-10-01 2010-09-27 Cienkościenny, kształtowany za pomocą obróbki plastycznej na zimno element profilowany o lekkiej konstrukcji i sposób wytwarzania takiego elementu profilowanego
PL12197573T PL2573291T3 (pl) 2009-10-01 2010-09-27 Cienkościenny, kształtowany za pomocą obróbki plastycznej na zimno element profilowany o lekkiej konstrukcji i sposób wytwarzania takiego elementu profilowanego
CY20131100382T CY1113986T1 (el) 2009-10-01 2013-05-13 Ελαφρυ δομικο στοιχειο προφιλ μορφοποιησης εν ψυχρω με λεπτα τοιχωματα και μεθοδος για την κατασκευη ενος τετοιου στοιχειου προφιλ

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DE102009047958 2009-10-01
DE102009048152A DE102009048152A1 (de) 2009-10-01 2009-10-02 Dünnwandig kaltverformtes Profilelement und Verfahren zum Herstellen eines solchen Profilelements
DE201010026320 DE102010026320A1 (de) 2010-07-07 2010-07-07 Dünnwandig kaltverformtes Profilelement und Verfahren zum Herstellen eines solchen Profilelements
PCT/EP2010/005891 WO2011038879A2 (fr) 2009-10-01 2010-09-27 Élément profilé de construction léger, à parois minces, formé à froid, et procédé de fabrication d'un tel élément profilé

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EP12197573.4 Division-Into 2012-12-17

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EP12197573.4A Active EP2573291B1 (fr) 2009-10-01 2010-09-27 Élément de profilé de construction légère formé à froid à paroi mince et procédé de fabrication d'un tel élément de profilé

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