EP0042146B1 - Liaison de profiles par brasage ou soudage et méthode pour sa réalisation - Google Patents

Liaison de profiles par brasage ou soudage et méthode pour sa réalisation Download PDF

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Publication number
EP0042146B1
EP0042146B1 EP19810104503 EP81104503A EP0042146B1 EP 0042146 B1 EP0042146 B1 EP 0042146B1 EP 19810104503 EP19810104503 EP 19810104503 EP 81104503 A EP81104503 A EP 81104503A EP 0042146 B1 EP0042146 B1 EP 0042146B1
Authority
EP
European Patent Office
Prior art keywords
intermediate piece
sections
hollow sections
projections
profiles
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
Application number
EP19810104503
Other languages
German (de)
English (en)
Other versions
EP0042146A1 (fr
Inventor
Bernd Schellong
Johannes Lohe
Theo Cyron
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.)
Interatom T GmbH
Original Assignee
Interatom Internationale Atomreaktorbau GmbH
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 DE19803022197 external-priority patent/DE3022197A1/de
Priority claimed from DE19813121474 external-priority patent/DE3121474A1/de
Application filed by Interatom Internationale Atomreaktorbau GmbH filed Critical Interatom Internationale Atomreaktorbau GmbH
Publication of EP0042146A1 publication Critical patent/EP0042146A1/fr
Application granted granted Critical
Publication of EP0042146B1 publication Critical patent/EP0042146B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/9604—Welded or soldered joints
    • E06B3/9608—Mitre joints

Definitions

  • the present invention relates to a soldered or welded connection of profiles abutting in one plane according to the preamble of the main claim. It is particularly suitable for thin-walled hollow profiles, such as those used for door and window frames. These profiles often have a complicated cross-sectional shape and are produced in large lengths using an extrusion process. Miter-butting profiles have previously been screwed together, for example, often requiring complicatedly shaped and therefore expensive connectors. If you want to weld or solder these profiles together, especially thin-walled profiles must be carefully aligned with each other and with small tolerances so that there is no unacceptably large gap between them, which cannot be bridged with the usual soldered or welded connections. In addition, there are numerous materials that are very suitable for the production of profiles, but which cannot be joined at all or only with considerable effort in terms of joining technology.
  • VDI news from 09/30/77 describes how aluminum windows, doors and garage doors are glued using an epoxy resin using a negative profile.
  • the production of these negative profiles is associated with considerable effort, especially in corner connections.
  • Similar complex processes are described in DE-C-10 95 502 and in DE-A-17 04 026.
  • the object of the present invention is a soldered or welded connection of profiles abutting in one plane, in particular with miter, which can be produced quickly and economically in large series and which avoids the problems mentioned above.
  • complex shaped profiles and thin-walled hollow profiles such as those used in the construction of window and door frames or the like, are to be connected in one operation.
  • a method according to the main claim is proposed. Thereafter, a flat intermediate piece is arranged between the two profiles to be connected, which abut one another with undiminished cross-section, possibly with a touch, the outer contour of which corresponds to the outer contour of the cut surface of the profile to be connected or evenly on all sides by about 1.5 mm survives to the outside.
  • the hollow profiles are made of light metal, in particular extruded material, the intermediate piece serving as a filler material for soldering or welding.
  • roughly sawn-off profiles can also be moved into the desired position during assembly by the contact surface provided by the intermediate piece.
  • This material cannot be welded without filler material due to its sensitivity to cracks. Welding with the addition of an additional material in the form of a welding wire would cause considerable effort in the case of complicated profile shapes.
  • the intermediate piece supplies the filler material evenly over the entire surface to be welded.
  • AIMgSi 0.7 being a frequently used extrusion material which can be welded with the aid of AISi 12.
  • the third claim proposes a welding method which is known per se but is particularly expedient for the present invention.
  • this welding process should be carried out in a pulsating manner, which is also known per se.
  • the intermediate piece corresponds with its outer contour to the outer contour of the cut surfaces of the hollow profiles to be connected with an unimpaired wall thickness or protrudes uniformly on all sides by about 1.5 mm.
  • the intermediate piece has projections which positively project into the interior of both hollow profiles to be connected and which are arranged such that two adjacent projections each protrude from the intermediate piece on different sides.
  • embossed intermediate piece In a special embodiment of the invention, it is proposed to use an embossed intermediate piece.
  • projections should be embossed in both the one and in the other direction in the intermediate piece, in such a way that the projections also secure the hollow profiles.
  • This embossed intermediate piece is particularly useful when no hole is to be provided in the middle of the intermediate piece.
  • the arrangement of the embossed projections on each side should be chosen so that both hollow profiles can be fixed in their position. If the protrusions are not too large, a joining connection can be made at any angle between the hollow profiles, without causing difficulties in the accuracy of the fit.
  • a welded connection produced according to the method described in claims 1-4 is described, the hollow profiles being made of extruded material, in particular AIMgSi 0.7.
  • the weld contains an easily weldable filler material, in particular AISi 12, which was added during the welding process in the form of a flat intermediate piece arranged in the cutting plane of the hollow profiles.
  • Such a welded connection is particularly suitable for complexly shaped light metal profiles for door and window frames, in which the profiles abut with a miter. With this connection, the considerable requirements regarding the dimensional accuracy of the finished frame can be met. Also in motor vehicle construction, where light metal window frames would have considerable advantages in terms of weight savings and corrosion resistance, window frames could be produced with this welded joint from the inexpensive extruded profiles.
  • the profiles 1 and 2 are each cut at 45 ° to their longitudinal axis and pressed against an intermediate plate 3, the outline of which is greater by about 1.5 mm over the entire circumference than the outline of the profiles in the miter plane.
  • the 1.5 mm mentioned are sufficient to compensate for all tolerances and are almost melted down to the profile cross-section in the usual tungsten inert gas / AC welding processes that after welding no or little reworking of the weld is required.
  • Fig. 2 shows a cross section through the profiles shown in Fig. 1, namely perpendicular to the longitudinal axis of the profile.
  • the profile shown is just a schematic example; for the often very complicated profiles, however, joining technology connections with correspondingly shaped intermediate pieces can be made quite analogously.
  • FIG. 3 and 4 show a schematic embodiment of the intermediate piece for the joining connection shown in FIG. 1, FIG. 3 showing the view from one side and FIG. 4 showing the view from the other side.
  • an embossed intermediate piece is shown in perspective in FIG. 5.
  • a sheet 10 is provided with protrusions by stamping.
  • the embossments 11 are raised on one side of the sheet, while the embossments 12 are raised on the other side.
  • the shape and the location of the embossments are chosen so that each of the two hollow profiles to be connected can no longer be moved after being pressed onto the intermediate piece.
  • FIG. 6 Another exemplary embodiment of an intermediate piece 20 is shown in FIG. 6.
  • This intermediate piece is particularly suitable in the event that the cavity of the hollow profiles should not be interrupted at the connection point.
  • the intermediate piece is a sheet which has an opening in the middle. The edges of the opening are crimped in sections and alternately in one direction or the other. This results in projections 21 which protrude into the interior of one hollow profile and projections 22 which are in the interior of the other hollow profile. As can be seen from the drawing, these flanged edges can also be designed so that a good fixation of the intermediate plate and hollow profiles is ensured. Such an intermediate piece can be produced without great effort.
  • Fig. 7 also shows only schematically for square cross sections of hollow profiles, an intermediate piece 30, which illustrates the type of flanging to be selected when hollow profiles are to be connected at an angle of, for example, 90 °.
  • the arrangement of the flanges is now chosen so that the hollow profiles can be connected at an angle of 90 °.
  • the projections 31 and 32 must each form an angle of 45 ° to the connection plane.
  • the projections 33 and 34 continue to form an angle of 90 ° to the connecting plane, but care must be taken that their corners do not abut the inner sides of the hollow profiles before they are in the correct position to one another. For this reason, a somewhat different arrangement of the flanges compared to FIG. 6 was chosen, which meets the task.
  • an embossed intermediate piece is also suitable for hollow profiles with a non-rectilinear cross-section and when connecting at any angle.
  • the embossing can always be shaped and carried out in such a way that the intermediate piece and hollow profiles remain fixed in the connecting plane.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Connection Of Plates (AREA)

Claims (9)

1. Procédé pour réaliser un assemblage brasé ou soudé entre deux profilés (1, 2), notamment des profilés creux, disposés en aboutement dans un plan, éventuellement avec une disposition en onglet, et selon lequel une pièce intercalaire (3) est disposée dans le plan de coupe des deux profilés creux (1, 2) et est insérée simultanément dans l'assemblage brasé ou soudé, et la pièce intermédiaire comporte des parties saillantes qui pénètrent à l'intérieur des deux profilés creux devant être réunis et maintiennent les profilés pendant l'opération d'assemblage, caractérisé par les moyens suivants :
a) entre les deux profilés creux (1, 2) disposés en aboutement avec une section transversale non réduite, on dispose, avant l'opération d'assemblage, une pièce intercalaire plane (3) dont le contour extérieur correspond au contour extérieur des surfaces de coupe, devant être réunis, des profilés creux (1, 2) ou qui fait saillie uniformément d'environ 1,5 mm vers l'extérieur, de tous côtés :
b) on utilise des profilés creux constitués en un métal léger, notamment un matériau d'extrusion, la pièce intercalaire (3) servant de matériau d'apport lors du brasage ou du soudage.
2. Procédé suivant la revendication 1, caractérisé par les moyens suivants :
a) on utilise des profilés (1, 2) constitués par du AIMgSi 0,7 ;
b) pour la pièce intercalaire (3) on utilise un métal léger possédant une bonne aptitude au soudage, notamment du AISi 12.
3. Procédé suivant la revendication 1 ou 2, caractérisé par le moyen suivant :
on soude les profilés creux (1, 2) de la pièce intercalaire (3) en utilisant le procédé de soudage au tungstène sous atmosphère inerte, sans matériau de soudage supplémentaire.
4. Procédé suivant l'une des revendications 1 à 3, caractérisé par le moyen suivant :
pour relier les profilés creux on utilise un procédé de soudage utilisant un arc déplacé magnétiquement.
5. Procédé suivant la revendication 1, caractérisé par les moyens suivants :
a) comme pièce intercalaire (3) on utilise une tôle dont les deux faces sont recouvertes de brasure ;
b) on fixe entre eux par brasage les profilés creux (1, 2) et la pièce intercalaire (3).
6. Pièce intercalaire (10 ; 20 ou 30) utilisée pour la fabrication d'un assemblage brasé ou soudé à l'aide du procédé selon l'une des revendications 1-4 ; caractérisée par les moyens suivants :
a) le contour extérieur de la pièce intercalaire correspond au contour extérieur des surfaces de coupe, devant être réunies des profilés creux (1, 2), avec une épaisseur de paroi non réduite ou bien la pièce intercalaire fait saillie uniformément sur environ 1,5 mm vers l'extérieur, de tous côtés ;
b) la pièce intercalaire (10 ; 20 ou 30) comporte des parties saillantes (11, 12 ; 21, 22 ou 31, 32), faisant saillie avec une disposition à formes complémentaires à l'intérieur des deux profilés creux devant être réunis, et qui sont disposées de telle sorte que deux parties saillantes voisines font saillie sur des côtés différents par rapport à la pièce intercalaire.
7. Pièce intercalaire (10) suivant la revendication 6, caractérisée par le moyen suivant :
les parties saillantes (11, 12) de la pièce intercalaire (10) sont réalisées par estampage.
8. Pièce intercalaire (20 ou 30) suivant la revendication 6, caractérisée par les moyens suivants :
a) les parties saillantes (21, 22 ou 31, 32) de la pièce intercalaire (20 ou 30) sont réalisées au moyen d'un rabattement du bord ;
b) l'angle des parties saillantes formées par le bord rabattu correspond à l'angle sous lequel les profilés sont en aboutement réciproque.
9. Assemblage soudage entre deux profilés (1, 2), réalisé à l'aide du procédé selon l'une des revendications 1 à 4, caractérisé par les moyens suivants :
a) les profilés (1, 2) sont constitués par un matériau d'extrusion, notamment du AIMgSi 0.7 ;
b) la soudure contient un matériau d'apport présentant une bonne aptitude au soudage, notamment du AISi 12, qui lors de l'opération de soudage a été ajouté sous la forme d'une pièce intercalaire (23) disposée dans le plan de coupe des profilés (1, 2), ces profilés (1, 2) de la pièce intercalaire (3) ayant des configurations correspond aux indications de la revendication 1.
EP19810104503 1980-06-13 1981-06-11 Liaison de profiles par brasage ou soudage et méthode pour sa réalisation Expired EP0042146B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19803022197 DE3022197A1 (de) 1980-06-13 1980-06-13 Fuegetechnische verbindung von profilen
DE3022197 1980-06-13
DE19813121474 DE3121474A1 (de) 1981-05-29 1981-05-29 Fuegetechnische verbindung von profilen und verfahren zu ihrer herstellung
DE3121474 1981-05-29

Publications (2)

Publication Number Publication Date
EP0042146A1 EP0042146A1 (fr) 1981-12-23
EP0042146B1 true EP0042146B1 (fr) 1984-09-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810104503 Expired EP0042146B1 (fr) 1980-06-13 1981-06-11 Liaison de profiles par brasage ou soudage et méthode pour sa réalisation

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EP (1) EP0042146B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT388020B (de) * 1986-08-01 1989-04-25 Interprofil Gfk Gmbh Fluegel- oder stockrahmen und verfahren zum herstellen eines solchen
FR2678324A1 (fr) * 1991-06-27 1992-12-31 Creusot Loire Procede d'assemblage de deux pieces en tole, assemblage metallique et structure en tole de blindage obtenus par ce procede.
DE19519174C2 (de) * 1995-05-24 2001-01-25 Wicona Bausysteme Gmbh Rahmen für Fenster, Türen, Fassaden oder dergleichen und Verfahren zu seiner Herstellung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE856049C (de) * 1950-12-01 1952-11-17 Theodor Klatte Metallwarenfabr Fensterrahmen, insbesondere fuer Wohnbauten
CH307388A (de) * 1952-11-21 1955-05-31 Aluminium Ind Ag Verfahren zur Herstellung von längeren Schweissnähten an Leichtmetallteilen.
US3001497A (en) * 1960-03-14 1961-09-26 Grinnell Corp Insert welding rings
DE1704026A1 (de) * 1967-12-22 1971-05-06 Michael Emmerich Verfahren und Vorrichtung zum Verbinden von Staeben und Profilen an deren einander zugewandten Enden

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