EP2678489A1 - Procédé de fabrication d'éléments de paroi rectangulaires ou carrés en tôle plate et éléments de paroi ainsi fabriqués - Google Patents

Procédé de fabrication d'éléments de paroi rectangulaires ou carrés en tôle plate et éléments de paroi ainsi fabriqués

Info

Publication number
EP2678489A1
EP2678489A1 EP12705621.6A EP12705621A EP2678489A1 EP 2678489 A1 EP2678489 A1 EP 2678489A1 EP 12705621 A EP12705621 A EP 12705621A EP 2678489 A1 EP2678489 A1 EP 2678489A1
Authority
EP
European Patent Office
Prior art keywords
edge
transverse
longitudinal
longitudinal edge
width
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12705621.6A
Other languages
German (de)
English (en)
Inventor
Igor Harry Schaaf
Paul Mazura
Walter Nicolai
Simon Jocham
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.)
CES Control Enclosure Systems GmbH
Original Assignee
CES Control Enclosure Systems 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 DE102011012435A external-priority patent/DE102011012435A1/de
Priority claimed from DE102011012434A external-priority patent/DE102011012434A1/de
Priority claimed from DE102011012433A external-priority patent/DE102011012433A1/de
Priority claimed from DE102011012436A external-priority patent/DE102011012436A1/de
Application filed by CES Control Enclosure Systems GmbH filed Critical CES Control Enclosure Systems GmbH
Publication of EP2678489A1 publication Critical patent/EP2678489A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/16—Folding; Pleating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/301—Cabinet-type casings; Parts thereof or accessories therefor mainly consisting of a frame onto which plates are mounted
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/01—Frameworks
    • H02B1/013—Profiles for cabinet frames
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49906—Metal deforming with nonmetallic bonding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49954—Fastener deformed after application
    • Y10T29/49956—Riveting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49963—Threaded fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49966—Assembling or joining by applying separate fastener with supplemental joining
    • Y10T29/49968—Metal fusion joining
    • 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
    • Y10T29/49995—Shaping one-piece blank by removing material

Definitions

  • the present invention relates to a method for producing rectangular or square wall elements made of flat sheet and wall elements produced therewith.
  • Wall elements made of flat sheet have long been known. They are used for example as outer walls of enclosures and cabinets, especially at work ⁇ convincing cupboards, cabinets and the like, but also in electrical appliances such as refrigerators, washing machines, freezers. Flat sheet wall elements are also used in the building sector, for example as cladding elements of industrial buildings. As wall elements in particular, the purposes of the present Be ⁇ scription and door elements or complete doors made of flat sheet metal as they can be used for example in steel cabinets of all kinds.
  • Wall elements of flat sheet of the type mentioned are indeed inexpensive to produce, but have only a small torsional stiffness due to the relatively thin sheet used for their production. This lack of torsional stiffness is particularly disadvantageous if the wall element is a door element, since a little torsion-resistant door not only feels unstable, but also provides poor conditions for a perfect seal along its circumference.
  • the invention has for its object to provide an improved wall element made of flat sheet and a method for its production, which has an increased ease of manufacture and low weight compared to conventional wall elements of the type mentioned torsional rigidity.
  • This object is achieved by a method which comprises the steps specified in claim 1 or in claim 2, and by a wall element with the features specified in claim 8.
  • a flat sheet piece of flat sheet material having a desired material thickness which has two longitudinal edges and two transverse edges perpendicular to the longitudinal edges and protrudes along each longitudinal edge and each transverse edge by a predetermined amount about two opposite longitudinal edge portions and two opposite transverse edge portions having a predetermined edge width to build.
  • the short side edges of the longitudinal edge portions and the transverse edge portions have the dimension of the predetermined edge width, whereas the inner long side edges of the longitudinal edge portions of the fixed length and the inner side edges of the transverse edge portions have the predetermined width.
  • the two longitudinal edge portions are cut near each of their short side edges parallel to the transverse edge along a distance which is smaller than the edge width, so as to form two tabs per longitudinal edge portion, which are separated by a respective incision from the remaining longitudinal edge portion and have a transverse dimension which is parallel to the long side edge of the longitudinal edge portion.
  • the incision length of the incision corresponds to the incised distance.
  • a parallel to the longitudinal edge extending strip is formed by the two incisions.
  • the fold line extending parallel to the inner longitudinal edge of the longitudinal edge section extends at a distance from the associated free, outer longitudinal edge of the longitudinal edge section which corresponds at most to the incision length minus the material thickness of the flat sheet material, ie is always smaller by at least the material thickness than the incision length.
  • the meaning of this approach will become clearer from the following explanations.
  • the two tabs generated by the incisions in each longitudinal edge portion are bent parallel to the inner longitudinal edge of the associated longitudinal edge portion at right angles in the same direction in which previously the strip of the longitudinal edge portion has been folded.
  • the bending line of the tabs runs at the height of the base of the corresponding cuts.
  • the fold line for the tabs is at least the measure of the material thickness closer to the inner longitudinal edge of the longitudinal edge portion than the fold line for the strip.
  • both longitudinal edge portions are again bent at right angles, along a fold line formed by the inner longitudinal edge of the longitudinal edge portion and in the same direction as before the tabs and the strips. Due to the double right angle Abkantens each longitudinal edge portion now extend the tabs and the strips again parallel to the rest, not folded flat sheet material, but in a spaced-apart plane.
  • the transverse edge portions are doubly bent at right angles, wherein the first rectangular folding the transverse edge portions takes place along a Abkantungs ⁇ line, which runs parallel to inner long side edge of the transverse edge portion, and it has a distance which is such that processing operation after Abkan- in each case a right angle beveled, outer strip is formed, whose width corresponds to the transverse dimension of the tabs.
  • the second rectangular folding of the transverse edge sections takes place along a fold line, which is formed by the inner long side edge of the transverse edge section, which corresponds to the initially defined transverse edge of the wall element.
  • the two bending processes of the transverse edge sections take place in the same direction as the bending processes previously carried out at the longitudinal edge sections.
  • the double right-angled folding of the transverse edge sections accordingly has the result that the outer strips of the transverse edge sections also run parallel to the non-folded material of the flat sheet piece and come to rest on the tabs of the longitudinal edge sections.
  • Longitudinal edge portions of the plane of the non-folded flat sheet material is dimensioned so that the tabs are "deeper” than the strips by at least the material thickness of the flat sheet material, ie at least the thickness of the flat sheet material is closer to the plane of the non-folded flat sheet material.
  • the strips of the transverse edge sections which lie on the tabs and have the same material thickness as the remaining flat sheet material, arrange Thus, in a plane in which the outer strips of L jossrandab- sections are arranged.
  • the strips of the longitudinal edge portions and the strips of the transverse edge portions thus abut each other flush or at least, even if they do not abut each other, a flush, ie located on one and the same level surface.
  • the inner edge of the wall element formed by the strips of the longitudinal edge portions and transverse edge portions is arranged as described in one and the same plane and therefore offers the best conditions for applying a peripheral seal.
  • the tabs formed by the cuts serve as supporting supports for the strips of the transverse edge portions, while the edges of the transverse edge portions and the longitudinal edge portions can support one another due to their positioning in the same plane, whereby only a very small connection of the wall element is still possible.
  • Cross edge portions provided with two tabs, which are bent at right angles to the procedure described above, that they are arranged by about the material thickness of the flat sheet material below the outer strip of the transverse edge ⁇ sections.
  • By two right-angle bending of the longitudinal edge portions then put the outer strip of the longitudinal edge portions on the tabs of the transverse edge portions. In any case, can not be eliminated at ⁇ a square wall member between the longitudinal edge portions and lateral edge portions, since both have the same dimensions.
  • the tabs formed by the incisions may be firmly connected to the Be ⁇ range of the transverse or longitudinal edge portion arranged on them in a further step.
  • This connection does not have to be done on all tabs, even such a fixed tab increases the torsional stiffness significantly, every other connected tab reinforces this effect.
  • the step of connecting the tab with the On her arranged portion of the transverse or longitudinal edge portion by gluing, welding, riveting, clinching or screwing.
  • the welding is preferably a spot welding.
  • a perforated grid is produced without loss of torsional rigidity along at least the outer strips of the longitudinal edge sections or the transverse edge sections.
  • Such a perforated grid preferably has a pitch of 25 mm and can be used, for example, to secure various installations on the wall element made of flat sheet safely.
  • a wall element according to the invention consists of flat sheet material with a desired, as a rule, uniform material thickness and has a rectangular or square main surface which defines two longitudinal edges and two transverse edges.
  • the flat sheet material is bent parallel to each longitudinal edge and each transverse edge to form edge regions with a U-shaped edge cross-section each two times at right angles inwards.
  • the flat sheet material is in one piece and has parallel to the main surface inwardly projecting, free legs of edge regions of the longitudinal edges and the transverse edges.
  • the free legs of either the transverse edges or the longitudinal edges have lateral end portions which are each formed by a tab which extends parallel to the associated leg in a plane which is arranged at least the material thickness of the flat sheet material closer to the main surface.
  • the lateral end portions of the free leg having no tabs overlap the tabs. Preferably, this overlap is complete, i. the lateral end portions of the free flanges having no flaps completely cover the flaps.
  • the lateral end portions of the free-leg free legs are secured to the tabs, e.g. glued, welded, riveted, screwed or connected by clinching.
  • a number of holes are provided along the free legs, which are preferably arranged in accordance with a grid.
  • Figure 1 is a plan view of a flat sheet piece, which for use in
  • FIG. 2 shows a top view obliquely from above onto the flat sheet metal piece from FIG. 1 after a first bending over step
  • FIG. 3 shows the view from FIG. 2 after carrying out a second repositioning step
  • FIG. 4 shows the view from FIG. 2 after carrying out a third repositioning step
  • FIG. 5 shows the view from FIG. 2 after carrying out a fourth repositioning step
  • FIG. 6 shows the view from FIG. 2 after carrying out a fifth repositioning step
  • FIG. 7 shows the view from FIG. 2 after performing a sixth repositioning step
  • FIG. 8 shows the view from FIG. 2 after carrying out a seventh repositioning step
  • FIG. 9 shows a top view obliquely from above onto a corner region of the flat sheet metal piece from FIG. 1,
  • FIG. 10 shows a spatial representation of the corner area from FIG. 9 after performing all the overturning steps
  • FIG. 11 shows a further spatial view of the corner region from FIG. 10 in finished form.
  • FIG. In Fig. 1 is shown in plan view, generally designated 10, flat flat sheet piece of sheet steel, which has over its entire extension a uniform material thickness d (see Fig. 9).
  • the flat sheet piece 10 has a main surface 12 defining two longitudinal edges 14 and two transverse edges 16, wherein in Fig. 1, only a transverse edge 16 can be seen, since the Fig. 1, only one half of the entire sheet metal piece 10 shows.
  • Each longitudinal edge 14 has a length L and each transverse edge 16 has a width W, wherein the length L and the width W are those dimensions, which should have a made of the flat sheet piece 10 wall element 11 later.
  • the flat sheet material of the flat sheet piece 10 projects beyond the main surface 12 to form a longitudinal edge portion 18 having the length L and a rim width B, respectively.
  • the flat sheet material protrudes at each transverse edge 16 from the main surface 12, one at a time
  • Form transverse edge portion 20 having a width W corresponding length and the edge width B.
  • the longitudinal edge portions 18 and the transverse edge portions 20, of which only one is shown in FIG. 1, are integrally connected to the flat sheet piece 10 and are initially in the same plane as the main surface 12.
  • a rectangular recess 21 generates, which can later serve to receive a door lock (not shown) or the like. This recess 21 is optional and can of course be omitted.
  • a uniform material thickness d is not a condition for the implementation of the described method, but rather the flat sheet metal piece 10 can have a different material thickness in certain areas.
  • the longitudinal edge portions 18 and the transverse edge portions 20 have a greater Materi ⁇ aldicke than the main surface 12.
  • the main surface 12 have a greater material thickness than the longitudinal edge portions 18 and the transverse edge portions 20, since the latter in the course of the described method in any case a greater stability against twisting obtained by Umkantungsvortician ⁇ th.
  • each transverse edge section 20 is provided with two incisions 22 which run parallel to the longitudinal edge 14 (and thus also parallel to the short side edge of the transverse edge section 20 in the illustrated embodiment) and an incision length I have.
  • two incisions 22 are in each transverse edge portion 20 each outer side edge adjacent two tabs 24 having a width, ie a transverse dimension w formed.
  • the tabs 24 thus have a length I and a width w.
  • FIGS. 1 and 9 a plurality of dot-dash lines can be seen on the flat sheet metal piece 10, which represent fold-over lines, along which the flat sheet metal piece 10 is folded in several steps as described below.
  • a first bend or fold line 26 runs on the or each transverse edge portion 20 parallel to the transverse edge 16 of a cut 22 to the other notch 22.
  • a strip 28 having a width bi.
  • a second fold line 30 also runs parallel to the transverse edge 16 across each tab 24, more precisely from the bottom of each cut 22 to the adjacent short side edge of the transverse edge portion 20. For reasons which will become more apparent later, every second fold line 30 is at least the extent of Material thickness d closer to the transverse edge 16 arranged as the first fold line 26th
  • a third fold line 32 extends over the entire length of the transverse edge 16. Between the first fold line 26 and the third fold line 32, a strip 34 is thus formed, which has a width b2.
  • a fourth bending line 36 extends on each longitudinal edge portion 18 parallel to the longitudinal edge 14 and forms on each longitudinal edge portion 18 a strip 38 of width bi.
  • a fifth and last fold line 40 extends at the inner long side edge of each longitudinal edge portion 18 over the entire length of the associated longitudinal edge 14 of the main surface 12. Between the fifth fold line 40 and the fourth fold line 36 is formed on each longitudinal edge portion 18, a strip 42 of the width b2.
  • the flat piece of sheet metal 10 is ent ⁇ long the first Abkantungsline 26 perpendicularly bent upward as shown in Fig. 2.
  • the strip 28 of the transverse edge portion 20 is set at right angles from the plane of the main surface 12.
  • the two tabs 24 also erected at right angles upwards by being bent at right angles along the second bending line 30 at a time.
  • the entire transverse edge portion 20 along the third fold line 32 again bent at right angles (see Fig.
  • each longitudinal edge portion 18 is first folded upwardly along the fourth fold line 36 at right angles, i. the strips 38 of the longitudinal edge portions 18 are erected from the plane of the main surface 12 at right angles to the top (see Figs. 5 and 6).
  • the second Abkantungslinien 30 are disposed about the amount of the material thickness d of the flat sheet material closer to the transverse edge 16 than the first Abkan ⁇ processing line 26, lie in the finished canted condition of the transverse edge portion 20 the two tabs 24 in an at least substantially parallel to the main surface 12 level which is closer to the plane of the major surface 12 by the amount of material thickness d than the plane in which the strip 28 is located. Based on the level of the strip 28 are thus the lugs 24 by approximately the amount of Materialdi ⁇ CKE d deeper than the strip 28.
  • the strips 38 lay the longitudinal edge portions 18 through the plates 24 and form, with the strip 28 of the transverse edge portions 20 a flush inside peripheral surface on which, for example, a seal, not shown here can be attached. Since the strips 34 of the transverse edge sections 20 and the strips 42 of the longitudinal edge sections 18 have the same width b 2 , after the edge edges and the longitudinal edge sections are folded twice, the strips 28 and 38 lie in one and the same plane (see in particular FIG. 11).
  • the Lugs 24 serve as a support for the corresponding areas of the strips 38 of the longitudinal edge portions 18th
  • those areas of the strips 38 which rest on the tabs 24 can be firmly connected to the tabs 24.
  • Such a firm connection can be achieved by gluing, welding (in particular spot welding), screwing or by clinching. If such a fixed connection is made at all four corners of a wall element, one obtains an extremely torsion-resistant wall element 11 due to the resulting fixation and due to the U-shaped cross-sectional configuration of the edge regions 44 and 46.
  • holes 48 may be provided along the outer edges of the longitudinal edge portions 18 and transverse edge portions 20, which are preferably arranged in a certain pitch, for example at a pitch of 25 mm. After each two fold edges of the longitudinal edge portions 18 and transverse edge portions 20, these holes 48 are then on the inside of the wall element (see Fig. 10) and can serve as attachment points for inputs or attachments of all kinds, which are to be attached to the wall element 11.
  • the notches 22 are made in the transverse edge section 20. It is understood, however, that these cuts can instead be carried out at the longitudinal edge portions 18.
  • the tabs 24 are then part of the longitudinal edge portions 18 and the strips 28 of the transverse edge portions 20 are advised after double edge of the transverse edge portions in register with the tabs 24th

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Finishing Walls (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

L'invention concerne un procédé de fabrication d'éléments de paroi rectangulaires ou carrés en tôle plate, comprenant les étapes consistant à : - déterminer une longueur et une largeur d'un élément de paroi, - préparer un morceau de tôle plate à partir de matériau de tôle plate ayant une épaisseur de matériau, lequel morceau comporte deux bords longitudinaux de la longueur déterminée et deux bords transversaux de la largeur déterminée et une partie prédéfinie fait saillie le long de chaque bord longitudinal et bord transversal pour former deux sections de bord longitudinal opposées et deux sections de bord transversal opposées ayant une largeur de bord prédéfinie, les bords latéraux courts des sections de bord longitudinal et des sections de bord transversal ayant la dimension de la largeur de bord, - entailler les deux sections de bord longitudinal parallèlement au bord transversal près de chaque bord latéral court pour former deux entailles ayant une longueur d'entaille qui est plus petite que la largeur de bord pour former deux pattes par section de bord longitudinal qui sont séparées par une entaille de la section de bord longitudinal restante et ont une dimension transversale, - replier à angle droit une des bandes de la section de bord longitudinal formée par les entailles parallèlement au bord longitudinal, la bande ayant une largeur qui correspond au maximum à la longueur d'entaille moins l'épaisseur de matériau, - replier à angle droit les pattes parallèlement au bord longitudinal à hauteur de la base de l'entaille associée, - replier à angle droit les sections de bord longitudinal le long du bord longitudinal, - replier à angle droit les sections de bord transversal parallèlement au bord transversal pour former une bande ayant une largeur correspondant à la dimension transversale des pattes, et - replier de nouveau à angle droit les sections de bord transversal le long du bord transversal.
EP12705621.6A 2011-02-25 2012-02-22 Procédé de fabrication d'éléments de paroi rectangulaires ou carrés en tôle plate et éléments de paroi ainsi fabriqués Withdrawn EP2678489A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102011012435A DE102011012435A1 (de) 2011-02-25 2011-02-25 Eckverbinder für Hohlprofile
DE102011012434A DE102011012434A1 (de) 2011-02-25 2011-02-25 Türanordnung mit Magnetschließung
DE102011012433A DE102011012433A1 (de) 2011-02-25 2011-02-25 Dichtelement und Dichtungssystem für Hohlprofile
DE102011012436A DE102011012436A1 (de) 2011-02-25 2011-02-25 Verfahren zur Herstellung rechteckiger oder quadratischer Wandelemente aus Flachblech und damit hergestellte Wandelemente
PCT/EP2012/000766 WO2012113548A1 (fr) 2011-02-25 2012-02-22 Procédé de fabrication d'éléments de paroi rectangulaires ou carrés en tôle plate et éléments de paroi ainsi fabriqués

Publications (1)

Publication Number Publication Date
EP2678489A1 true EP2678489A1 (fr) 2014-01-01

Family

ID=46846146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12705621.6A Withdrawn EP2678489A1 (fr) 2011-02-25 2012-02-22 Procédé de fabrication d'éléments de paroi rectangulaires ou carrés en tôle plate et éléments de paroi ainsi fabriqués

Country Status (8)

Country Link
US (1) US9061337B2 (fr)
EP (1) EP2678489A1 (fr)
JP (1) JP2014510639A (fr)
CN (1) CN103476999B (fr)
BR (1) BR112013021386A2 (fr)
CA (1) CA2827257A1 (fr)
RU (1) RU2577521C2 (fr)
WO (1) WO2012113548A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9879429B2 (en) * 2013-04-09 2018-01-30 Robert E Joly, Jr. Inside corner piece for rain gutters and method of manufacture
JP6195395B1 (ja) * 2016-08-01 2017-09-13 東芝エレベータ株式会社 パネル加工制御装置及びパネル加工方法
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WO2012113548A8 (fr) 2013-04-25
CA2827257A1 (fr) 2012-08-30
US20140150366A1 (en) 2014-06-05
CN103476999A (zh) 2013-12-25
CN103476999B (zh) 2015-06-24
RU2013141510A (ru) 2015-03-27
RU2577521C2 (ru) 2016-03-20
JP2014510639A (ja) 2014-05-01
WO2012113548A1 (fr) 2012-08-30
US9061337B2 (en) 2015-06-23
BR112013021386A2 (pt) 2016-10-18

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