EP3574802B1 - Paroi pour un meuble ou partie de meuble - Google Patents

Paroi pour un meuble ou partie de meuble Download PDF

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Publication number
EP3574802B1
EP3574802B1 EP19173714.7A EP19173714A EP3574802B1 EP 3574802 B1 EP3574802 B1 EP 3574802B1 EP 19173714 A EP19173714 A EP 19173714A EP 3574802 B1 EP3574802 B1 EP 3574802B1
Authority
EP
European Patent Office
Prior art keywords
wall
furniture
edge
piece
bending
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
EP19173714.7A
Other languages
German (de)
English (en)
Other versions
EP3574802A1 (fr
Inventor
Günter GRABHER
Patrick PIRKER
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.)
Grass GmbH
Original Assignee
Grass 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
Application filed by Grass GmbH filed Critical Grass GmbH
Publication of EP3574802A1 publication Critical patent/EP3574802A1/fr
Application granted granted Critical
Publication of EP3574802B1 publication Critical patent/EP3574802B1/fr
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/90—Constructional details of drawers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/90—Constructional details of drawers
    • A47B88/941—Drawers being constructed from two or more parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/02—Drawers with hollow lateral walls in two parts

Definitions

  • the invention relates to a wall, e.g. as a front wall, inner front wall, rear wall, side wall or panel, in particular for an extension, such as a drawer or the like, consisting of metal, in particular steel, as an L, U, C or hollow profile at least one edge, the outer radius of which is equal to or smaller than the material thickness of the profile, a bead being embossed on the inner surface of the edge.
  • a wall e.g. as a front wall, inner front wall, rear wall, side wall or panel, in particular for an extension, such as a drawer or the like, consisting of metal, in particular steel, as an L, U, C or hollow profile at least one edge, the outer radius of which is equal to or smaller than the material thickness of the profile, a bead being embossed on the inner surface of the edge.
  • a wall of the type mentioned is from the DE 94 02 770 U1 known, in which a plate-shaped drawer element is disclosed, which has a drawer bottom and a drawer rear wall.
  • a rectangular, conical or wedge-shaped bead extends on the underside of the drawer element over its entire width. When the drawer element is bent, a radius is formed on the outside if there is a bead on the inside.
  • a drawer side wall is known, the sheet steel of which is bent accordingly and then welded to a metal carrier profile, so that the side wall has sufficient torsional rigidity.
  • DE 10 2009 004 674 A1 relates to a device for bending a U or L sheet metal profile to form an angular, in particular right-angled, corner.
  • a drawer frame made of sheet steel with several webs is known.
  • the DE 39 34 419 A1 discloses a metal drawer side panel with a web panel forming the vertical side panel of the drawer.
  • a side wall profile is made from at least two partial profiles folded from sheet metal, one of which includes the upper part of the partition wall and the upper strip-shaped leg section and the other partial profile comprises the lower part of the partition wall and the lower strip-shaped leg holding the drawer base.
  • the partial profiles are placed one on top of the other in a strip-shaped area and connected to one another.
  • the EP 0 692 208 A1 shows a drawer with metallic drawer frames, the vertical bars of which form the side boundary of the drawer at least in the area of the drawer bottom and which have a horizontal support bar at the bottom, on which a base plate rests, with several tabs being punched out and bent out of the drawer frames are perforated at their free ends and the tabs have a crease between their junction with the support web and the hole, and the tabs are stiffer at the crease than at the junction with the support web.
  • the DE 20 2014 005 638 U1 discloses a sheet metal part bent with sharp edges and pointed corners, the outer radius of the bending edge being smaller than the sheet metal thickness of the starting material.
  • the object of the invention is to provide a wall for a piece of furniture that was not produced using an extruded profile, but which nevertheless has small radii, particularly at the edges and corners.
  • this object is achieved in that the bead runs at a small distance from the edge after bending, in that the distance to the bending center is between 10% and 90% of the material thickness (d).
  • an L, U, C or hollow profile produced by forming as a front wall, inner front wall, rear wall, side wall or panel, which consists of metal, in particular steel, according to the invention has the significant advantage over extruded profiles that it is thin-walled can be formed and are therefore light, and that their edges and corners have radii equal to or smaller than the wall thickness.
  • a bead is embossed on the inner surface of the edge. In this way, the edge or corner area is provided with a smaller radius than usual during the subsequent bending.
  • the material has greater strength in the bent area.
  • the material is pressed before or during bending at room temperature and leads to additional material compression in the area to be bent.
  • the bead is laterally offset at a small distance from the diagonal of the edge.
  • the shaping of the radius can be influenced in a targeted manner.
  • the radius in the direction of one side surface can be made larger than the radius to the other side surface, so that the curvature of the edge changes from one side surface of the wall to the other.
  • the transition from one curvature to the other is advantageously continuous. In other words, the bend is offset to the bead.
  • the shape of the edge is varied in that the distance is between 10% and 90%, in particular between 25% and 75% of the wall thickness.
  • the curvature or the radius of the edge is influenced by the depth of the bead, which corresponds to 5% to 90%, in particular 20% to 80%, preferably 30% to 70% of the material thickness. Sharp-edged transitions are achieved through very deep beads.
  • the width of the bead corresponds to 2% to 20%, in particular 4% to 10%, preferably 6% to 8% of the material thickness.
  • the invention also relates to a piece of furniture or a piece of furniture with a wall according to claim 1.
  • Such furniture can be manufactured inexpensively and replace the aluminum variants.
  • the design of the furniture or furniture parts according to the invention are the same as those made of aluminum, so that both embodiments can be used in combination.
  • the sizes of the radii of both variants made of steel and aluminum are the same and do not differ.
  • Extracts, in particular drawers or the like from furniture or pieces of furniture usually have a wall that is formed by a front wall, inner front wall, rear wall, side wall or panel.
  • a front wall 10 is shown, which is not intended to limit the invention.
  • the front wall 10 is made of sheet steel and has an inside 12, an outside 14, a top 16 and a bottom 18, with the sheet steel being bent over at the edges 20 in such a way that the free legs forming the bottom 18 face each other, so that they can be welded, crimped, beaded, glued, screwed or riveted, for example.
  • the inside 12 and the underside 18 have openings 22 for attaching the front wall 10 or for mounting fittings or other furniture parts.
  • FIG 2 which is a cross section through the front wall 10 of figure 1 shows, it can be seen that the formed sheet steel forms a hollow profile and the inside 12 and outside 14 and the top 16 and bottom 18 each run parallel to one another.
  • the shape of the formed steel sheet shown is exemplary and other shapes are possible.
  • the invention relates primarily to the design of at least one of the edges 20 or one of the figure 1 shown corners 24.
  • the outer radius 26 represents a design element of the wall and in particular of the piece of furniture or the furniture part.
  • the edge 20 is produced by pressing in a correspondingly small outer radius 26 during bending. The material of the sheet steel is compressed and the desired profile is created in the forming area. The size of the outer radius 26 results from the shape of the die into which the sheet steel is pressed during stamping.
  • the shape of the inner radius 28 is determined by the die. In this way, ie with embossing, smaller radii can be produced than with simple bending. The smaller radii then correspond to the radii, as in the case of aluminum profiles produced by means of an extrusion process.
  • the figure 4 shows an embodiment of the wall 10 not according to the invention, the edge 20 having been produced by other or additional measures.
  • the wall 10 also consists of a formed sheet steel and also has an inner side 12 and an outer side 14 as well a top 16 and a bottom 18 and forms a hollow profile, only a part of which is shown.
  • the production of the edge 20 and in particular the outer radius 26 is described in the following Figures 5 and 6 explained in more detail.
  • FIG 5 becomes the section V according to figure 4 shown, with the solid line of the outer radius 26 is shown.
  • An outer radius 30 is shown with a dashed line, as is produced by simply bending the steel sheet.
  • the inner surface 32 of the steel sheet is provided with a bead 34, via which the thickness D of the steel sheet is reduced.
  • the bead 34 will be sawn into the inner surface 32 of the steel sheet, thereby removing material. Material is punched out in the area of a corner 24, thereby creating the possibility of producing a corner 24 with a smaller outer radius 26 during forming.
  • the bead 34 is opposite the outer radius 26 and thus runs parallel to the edge 20 .
  • the edge 20 has the same outer radius 26 both in the direction of the outer surface 36 of the upper side 16 and in the direction of the outer surface 38 of the inner side 12. The edge 20 is thus mirror-symmetrical with respect to the diagonal 40.
  • the figure 6 shows a variant according to the invention of the second embodiment of an edge 20, in which the outer radius 26A in the direction of the outer surface 36 of the upper side 16 is smaller than the outer radius 26B in the direction of the outer surface 38 of the inner side 12.
  • the size of the outer radius is 26A about one-fifth the size of the outer radius 26B.
  • the outer surfaces 36 and 38 smoothly transition into the radii 26A and 26B.
  • the bead 34 is offset in the direction of the outer radius 26A, i.e. it has a distance A to the bending center or diagonal 40 of the edge 20. This distance A also causes an offset of the bead 34 to the center of the bending area, so that different outer radii 26 arise when the The bending tool is offset with respect to the bead 34, i.e. the bead 34 is not centered in the tool.

Claims (4)

  1. Paroi en tant que paroi avant (10), paroi avant intérieure, paroi arrière, paroi latérale ou panneau, pour un élément télescopique, comme un tiroir ou similaire, constituée de métal, en particulier d'acier, en tant que profilé mis en forme en L, en U ou en C ou profilé creux, avec au moins une arête (20), dont le rayon extérieur (26) est inférieur ou égal à l'épaisseur de matériau (D) du profilé, dans laquelle une moulure (34) est pratiquée par estampage dans l'arête (20) sur la face intérieure (32), caractérisée en ce que la moulure (34) s'étend après le pliage à une distance inférieure par rapport à l'arête (20), dans lequel la distance par rapport au centre de pliage est comprise entre 10 % et 90 % de l'épaisseur de matériau (d).
  2. Paroi selon la revendication 1, caractérisée en ce que la profondeur de la moulure (34) correspond à 5 % à 90 % de l'épaisseur de matériau (D).
  3. Paroi selon l'une quelconque des revendications précédentes, caractérisée en ce que la largeur (B) de la moulure (34) correspond à 2 % à 20 % de l'épaisseur de matériau (D).
  4. Meuble ou partie de meuble avec une paroi (10) selon l'une quelconque des revendications précédentes.
EP19173714.7A 2018-05-30 2019-05-10 Paroi pour un meuble ou partie de meuble Active EP3574802B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018103022.1U DE202018103022U1 (de) 2018-05-30 2018-05-30 Wand für ein Möbel oder Möbelteil

Publications (2)

Publication Number Publication Date
EP3574802A1 EP3574802A1 (fr) 2019-12-04
EP3574802B1 true EP3574802B1 (fr) 2023-09-06

Family

ID=66483873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19173714.7A Active EP3574802B1 (fr) 2018-05-30 2019-05-10 Paroi pour un meuble ou partie de meuble

Country Status (2)

Country Link
EP (1) EP3574802B1 (fr)
DE (1) DE202018103022U1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9402770U1 (de) * 1994-02-19 1994-05-19 Grass Ag Schublade

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1854462U (de) * 1961-10-05 1962-07-05 Johann Keil Inh R Dannenberg Gehaeuse, insbesondere fuer rundfunkgeraete.
DD86604A1 (fr) * 1970-11-17 1971-12-20
DE3934419C2 (de) 1989-10-14 1997-07-03 Lautenschlaeger Mepla Werke Schubladen-Seitenwandprofil aus Metall
AT402593B (de) 1992-04-30 1997-06-25 Blum Gmbh Julius Schubladenzarge schubladenzarge
JP3378292B2 (ja) * 1993-03-10 2003-02-17 日新製鋼株式会社 溝形鋼の折り曲げ方法
ES2109756T3 (es) 1994-07-11 1998-01-16 Blum Gmbh Julius Cajon.
CH691795A5 (de) * 1996-09-02 2001-10-31 Rudolf Tschopp Verfahren zum Biegen eines Rohres, Vorrichtung zur Durchführung des Verfahrens sowie ein nach dem Verfahren hergestelltes Element.
DE102009004674A1 (de) 2009-01-12 2010-07-15 Wuppermann Rohrtechnik Gmbh Vorrichtung und Verfahren zum Biegen eines Profils und gebogenes Profil
DE202014005638U1 (de) 2014-07-10 2015-10-13 Benno Sörries KG Biegen von Blechformteilen mit kleinem Außenradius
AT518076B1 (de) 2015-12-22 2017-07-15 Blum Gmbh Julius Schubladenseitenwand

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9402770U1 (de) * 1994-02-19 1994-05-19 Grass Ag Schublade

Also Published As

Publication number Publication date
EP3574802A1 (fr) 2019-12-04
DE202018103022U1 (de) 2019-09-02

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