EP1138248A2 - Procédé de fabrication d'une cuve pour machine à laver la vaiselle - Google Patents

Procédé de fabrication d'une cuve pour machine à laver la vaiselle Download PDF

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Publication number
EP1138248A2
EP1138248A2 EP01106790A EP01106790A EP1138248A2 EP 1138248 A2 EP1138248 A2 EP 1138248A2 EP 01106790 A EP01106790 A EP 01106790A EP 01106790 A EP01106790 A EP 01106790A EP 1138248 A2 EP1138248 A2 EP 1138248A2
Authority
EP
European Patent Office
Prior art keywords
container
rear wall
sheet metal
edge
angled
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.)
Granted
Application number
EP01106790A
Other languages
German (de)
English (en)
Other versions
EP1138248B1 (fr
EP1138248A3 (fr
Inventor
Karl-Uwe Bansmann
Jürgen Bergmann
Reinhold Borgstedt
Heinz-Jürgen Dickenbrok
Klaus Plöger
Ulrich Hettenhausen
Wolfram Thömer
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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 DE2000114807 external-priority patent/DE10014807A1/de
Priority claimed from DE10048508A external-priority patent/DE10048508B4/de
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1138248A2 publication Critical patent/EP1138248A2/fr
Publication of EP1138248A3 publication Critical patent/EP1138248A3/fr
Application granted granted Critical
Publication of EP1138248B1 publication Critical patent/EP1138248B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4246Details of the tub

Definitions

  • the invention relates to a method for producing the washing container of a dishwasher by expanding a ring-shaped sheet metal jacket, the bottom part and side walls with cover part, and that with a rear wall to be attached to its back closed is.
  • the invention is therefore based on the object of a dishwasher, a simple one and economical manufacturing process to show which washing container can be reproduced dimensionally accurate, torsionally rigid and cost-minimizing.
  • the main deformation of the rinsing container takes place according to the method according to the application by expanding after joining, including all four sides of the angled container part the liquid-tightly connected back wall together as the fifth wall side be subjected to the expanding process.
  • the rinse tank is advantageously reproducible, dimensionally precise and torsionally rigid.
  • For the manufacturing process it is advantageous to work from the stack of sheet metal plates or from the coil without intermediate stacking preformed container cuts possible. Because no drawing stamp for separate subsequent or preparatory stamping (expansion) of the container rear wall becomes necessary, only a few shaping parts or tools are required.
  • the invention also offers All five container sides simultaneously expanding process by hydroforming advantageous simple control and maintenance of those involved in the deformation process Tools.
  • a sheet metal blank (1) shown in FIG. 1 and known per se for the production of the rinsing container (S), sh. Fig. 5, a dishwasher, not shown, is on the dimensions of the rinsing container to be molded (S), with (2) the later bottom part the washing compartment (S) and with (3) and (4) the side walls and (5) the later lid part is designated.
  • the base part (2) becomes a sump pan (6) when it is later expanded.
  • sh. Fig. 5 to which a known collection pot, which is not shown here, connected becomes.
  • the cut of the base part (2) is wider than shown in FIG. 1 from left to right the sheet metal blank (1) which forms the side walls (3, 4) and the cover part (5), in order to Shape the front edge of the base part (2) into a well-known curved skirt (7) to be able to.
  • the sheet metal blank (1) can, if necessary, also in a continuous width are manufactured.
  • the one-piece sheet metal blank (1) in the exemplary embodiment may also consist of two parts, the bottom part (2) is then cut separately. It can the bottom part (2) also consist of a different type or thickness of material. Assembling the sheet metal is cut by welding. The weld seam is designated (8) in FIG. 1.
  • the final design of the apron (7) is shown in FIG. 5.
  • Sheet metal blank (1) is made in a first process step at both ends welded (weld seam 8) and provides a ring-shaped sheet metal jacket according to FIG. 2 In a corresponding tool with drawing wedges or the like.
  • the round container shape made an angled approximately box-shaped container shape, sh. Fig. 3. In this Work steps are not yet embossed (9), crowning, etc. in the sides of the container - As shown in Fig. 5 - shaped so that the container walls except for the angling or bending the sides (2 to 5) remain almost smooth.
  • the apron (7) on the washing container (S) is also advantageously formed. However, this can also be done in a subsequent manufacturing step.
  • the rails (12) for the lower basket can also be molded on. As Joining process is advantageously chosen the welding process.
  • Container part (1 ') for the washing container (S) of the dishwasher results also from the sheet metal cut separated from a coil, which corresponds to the dimensions of the is matched to expanding rinsing container (S).
  • the cut flat sheet metal blank becomes the angled front and back open as in the previously described method Container part (1 ') preformed and then with that from the separate sheet metal blank cut back wall (11) welded.
  • the outer edges of the separate rear wall (11) are therefore in front of the Welding the rear wall (11) in the form of a circumferential edge doubling (13) in the direction Container part (1 ') folded or folded. This step can be advantageous in one intermediate automatic production step.
  • Sheet metal edge of the rear wall (11) is defused, so that hand injuries or the like when moving of the washing compartment (S) can be safely avoided.
  • the rear wall (11) welded on the double edge (14) of the rear wall in the same plane as the angled edge (10) of the container part (1 ') and ends in front of the edge (10). 8 and 9 this edge edge no longer over and is also like the sheet metal edge of the rear wall "defused".
  • Double the rear wall sides additionally stabilizes the container in its Shape.
  • the sheet metal blank for the rear wall (11) is dimensioned so that the edge doubling (13) the rear wall (11) limits the edge (10) of the container part (1 ') on the outside like a frame.
  • the circumferential edge of the double rear wall edge (14) advantageously ends with a slight Distance in front of the outer edge (15) of the bent container edge (10). This creates the Possibility for tolerance compensation when cutting sheet metal or when aligning the rear wall before welding onto the container part (1 ').
  • the remaining gap (16) between the doubled or circumferentially folded rear wall edge (14) and the container edge (10) can be used advantageously as a centering aid for rear wall mounting.
  • the rear wall (11) receives the washing container (S) its final shape from the common Expand all container sides (2 to 5, 11).
  • the circumferential roller weld seam (8 ') slightly stretched on the rear wall (11) (see FIG. 9), so that any foreign rust particles that may be present can be washed out.
  • the 5-sided expansion also prevents advantageous crevice corrosion on the rinsing tank.
  • the hydro-expanding process used to form the container advantageously replaces it a later tightness check of the connection points of the container walls, because at a leak in the container, the expansion pressure in the mold necessary for wall deformation not build up and an error message can immediately occur. Subsequent leak tests can therefore be omitted to minimize costs.

Landscapes

  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
EP01106790A 2000-03-27 2001-03-19 Procédé de fabrication d'une cuve pour machine à laver la vaiselle Expired - Lifetime EP1138248B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2000114807 DE10014807A1 (de) 2000-03-27 2000-03-27 Verfahren zur Herstellung des Spülbehälters einer Geschirrspülmaschine
DE10014807 2000-03-27
DE10048508A DE10048508B4 (de) 2000-09-29 2000-09-29 Verfahren zur Herstellung des Spülbehälters einer Geschirrspülmaschine
DE10048508 2000-09-29

Publications (3)

Publication Number Publication Date
EP1138248A2 true EP1138248A2 (fr) 2001-10-04
EP1138248A3 EP1138248A3 (fr) 2005-01-12
EP1138248B1 EP1138248B1 (fr) 2011-01-26

Family

ID=26005013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106790A Expired - Lifetime EP1138248B1 (fr) 2000-03-27 2001-03-19 Procédé de fabrication d'une cuve pour machine à laver la vaiselle

Country Status (3)

Country Link
EP (1) EP1138248B1 (fr)
AT (1) ATE496572T1 (fr)
DE (1) DE50115786D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009027402A1 (fr) * 2007-08-31 2009-03-05 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fabrication d'un appareil électroménager conduisant de l'eau
CN104723029A (zh) * 2014-07-25 2015-06-24 芜湖美的洗涤电器制造有限公司 内胆制造方法及洗碗机
WO2018219615A1 (fr) * 2017-05-31 2018-12-06 BSH Hausgeräte GmbH Récipient de rinçage destiné à un lave-vaisselle ménager, lave-vaisselle ménager et procédé
WO2018219616A1 (fr) * 2017-05-31 2018-12-06 BSH Hausgeräte GmbH Lave-vaisselle ménager
WO2018228814A1 (fr) * 2017-06-12 2018-12-20 Arcelik Anonim Sirketi Procédé de production améliorant la sécurité
US11998155B2 (en) 2021-07-30 2024-06-04 Samsung Electronics Co., Ltd. Dishwasher

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7516419U (de) 1975-05-23 1976-03-04 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Behaelter, insbesondere fuer frontseitig beschickbare geschirrspuelmaschinen
DE19611049A1 (de) 1996-03-20 1997-09-25 Bosch Siemens Hausgeraete Geschirrspülmaschine mit einem kastenförmigen Spülbehälter
DE19719531A1 (de) 1997-05-09 1998-11-12 Huber & Bauer Gmbh Verfahren zum Herstellen eines im ganzen quaderförmigen Blechgehäuses, insbesondere einer Backröhre

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7520122U (de) * 1975-06-25 1976-04-01 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Behaelter, insbesondere fuer geschirrspuelmaschinen o.dgl.
DE3840938A1 (de) * 1988-12-05 1990-06-13 Kuhn Rainer Verfahren zur herstellung von rohrartigen bauteilen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7516419U (de) 1975-05-23 1976-03-04 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Behaelter, insbesondere fuer frontseitig beschickbare geschirrspuelmaschinen
DE19611049A1 (de) 1996-03-20 1997-09-25 Bosch Siemens Hausgeraete Geschirrspülmaschine mit einem kastenförmigen Spülbehälter
DE19719531A1 (de) 1997-05-09 1998-11-12 Huber & Bauer Gmbh Verfahren zum Herstellen eines im ganzen quaderförmigen Blechgehäuses, insbesondere einer Backröhre

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009027402A1 (fr) * 2007-08-31 2009-03-05 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fabrication d'un appareil électroménager conduisant de l'eau
US8783272B2 (en) 2007-08-31 2014-07-22 Bsh Bosch Und Siemens Hausgeraete Gmbh Method for manufacturing a water-bearing domestic appliance
CN104723029A (zh) * 2014-07-25 2015-06-24 芜湖美的洗涤电器制造有限公司 内胆制造方法及洗碗机
WO2018219615A1 (fr) * 2017-05-31 2018-12-06 BSH Hausgeräte GmbH Récipient de rinçage destiné à un lave-vaisselle ménager, lave-vaisselle ménager et procédé
WO2018219616A1 (fr) * 2017-05-31 2018-12-06 BSH Hausgeräte GmbH Lave-vaisselle ménager
US11266290B2 (en) 2017-05-31 2022-03-08 BSH Hausgeräte GmbH Domestic dishwasher having increased rigidity in a region of connection flanges of base and rear wall
US11457793B2 (en) 2017-05-31 2022-10-04 BSH Hausgeräte GmbH Washing container for a domestic dishwasher, domestic dishwasher, and method
WO2018228814A1 (fr) * 2017-06-12 2018-12-20 Arcelik Anonim Sirketi Procédé de production améliorant la sécurité
US11998155B2 (en) 2021-07-30 2024-06-04 Samsung Electronics Co., Ltd. Dishwasher

Also Published As

Publication number Publication date
EP1138248B1 (fr) 2011-01-26
DE50115786D1 (de) 2011-03-10
EP1138248A3 (fr) 2005-01-12
ATE496572T1 (de) 2011-02-15

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