EP0927589B1 - Eine aufgeschäumte Metallschicht enthaltendes Karosseriebauteil für Kraftfahrzeuge - Google Patents

Eine aufgeschäumte Metallschicht enthaltendes Karosseriebauteil für Kraftfahrzeuge Download PDF

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Publication number
EP0927589B1
EP0927589B1 EP98122771A EP98122771A EP0927589B1 EP 0927589 B1 EP0927589 B1 EP 0927589B1 EP 98122771 A EP98122771 A EP 98122771A EP 98122771 A EP98122771 A EP 98122771A EP 0927589 B1 EP0927589 B1 EP 0927589B1
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EP
European Patent Office
Prior art keywords
washing water
washing
blowing
molding die
unit
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 - Lifetime
Application number
EP98122771A
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English (en)
French (fr)
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EP0927589B9 (de
EP0927589A2 (de
EP0927589A3 (de
Inventor
Wolfgang Seeliger
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.)
Wilhelm Karmann GmbH
Original Assignee
Wilhelm Karmann 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8050876&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0927589(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wilhelm Karmann GmbH filed Critical Wilhelm Karmann GmbH
Publication of EP0927589A2 publication Critical patent/EP0927589A2/de
Publication of EP0927589A3 publication Critical patent/EP0927589A3/de
Publication of EP0927589B1 publication Critical patent/EP0927589B1/de
Application granted granted Critical
Publication of EP0927589B9 publication Critical patent/EP0927589B9/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
    • B22F7/004—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part
    • B22F7/006—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part the porous part being obtained by foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • B22F3/1109—Inhomogenous pore distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
    • B22F3/1125—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers involving a foaming process

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Laminated Bodies (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Frames (AREA)
  • Powder Metallurgy (AREA)

Claims (10)

  1. Verfahren zum Reinigen einer Formoberfläche eines Kastens ("W") für ein Cold-Box-Verfahren, mit den Schritten:
    Öffnen eines Formkastens ("W") für ein Cold-Box-Verfahren nach Verwendung, und Strahlen von Reinigungswasser auf die Formoberfläche bei einem hohen Druck von 10 MPa oder mehr, wobei das Reinigungswasser auf eine Temperatur von 70°C oder mehr erwärmt wird.
  2. Verfahren nach Patentanspruch 1, wobei der geöffnete Formkasten (W1, W2) gekippt wird, wodurch das Verbleiben von Reinigungswasser auf der Formoberfläche verhindert wird.
  3. Verfahren nach Patentanspruch 1, wobei das Reinigungswasser auf die Formoberfläche des geöffneten Formkastens (W1, W2) bei verschiedenen Strahlwinkeln gestrahlt wird.
  4. Verfahren nach Patentanspruch 1, das des weiteren den Schritt Strahlen von hochkomprimierter Luft auf die Formoberfläche des geöffneten Formkastens (W1, W2) nach dem Bestrahlen von Reinigungswasser enthält.
  5. Verfahren nach Patentanspruch 1, wobei das Reinigungswasser nach Reinigen der Formoberfläche des geöffneten Formkastens (W1, W2) zurückgeführt wird und zum Wiederverwenden für das Reinigungsverfahren gefiltert wird.
  6. Vorrichtung zum Reinigen eines Formkastens ("W") für ein Cold-Box-Verfahren, mit:
    einer Haltereinheit (5) zum Haltern eines geöffneten Formkastens (W1, W2) nach Verwendung beim Cold-Box-Verfahren, wobei der Formkasten ("W") eine Formoberfläche umfasst;
    einer Reservoireinheit (13, 14) zum Speichern von Reinigungswasser;
    einer Heizeinheit (17) zum Heizen des Reinigungswassers, das in der Reservoireinheit (13, 14) gespeichert ist;
    einer Druckerzeugungseinheit (16), um das Reinigungswasser mit Druck zu beaufschlagen, das in der Reservoireinheit (13, 14) gespeichert ist;
    einer Strahleinheit (9) zum Strahlen des Reinigungswassers auf die Formoberfläche des Formkastens ("W"), der in der Haltereinheit (5) gehaltert ist, wobei das Reinigungswasser auf eine Temperatur von 70°C oder mehr erwärmt wird und auf einen hohen Druck von 10 MPa oder mehr gebracht wird, wobei die Strahleinheit (9) mit der Reservoireinheit (13, 14) verbunden ist;
    einer Zirkulierungseinheit (11, 12, 15) zum Sammeln des Reinigungswassers nach dem Strahlvorgang und Zirkulieren des Reinigungswassers zu der Reservoireinheit (13, 14); und
    einer Filtereinheit (13a) zum Filtern des Reinigungswassers nach dem Strahlvorgang.
  7. Vorrichtung nach Patentanspruch 6, wobei die Strahleinheit (9) von einer Decke herunter gehaltert ist.
  8. Vorrichtung nach Patentanspruch 6, wobei die Strahleinheit (9) das Reinigungswasser bei verschiedenen Strahlwinkeln strahlt.
  9. Vorrichtung nach Patentanspruch 6, die ferner eine Einheit (9d) zum Strahlen von hochverdichteter Luft auf die Formoberfläche des geöffneten Formkastens (W1, W2) nach dem Daraufstrahlen des Reinigungswassers hat.
  10. Vorrichtung nach Patentanspruch 6, wobei die Haltereinheit (5) den geöffneten Formkasten (W1, W6) auf eine gekippte Weise haltert.
EP98122771A 1998-01-02 1998-12-01 Eine aufgeschäumte Metallschicht enthaltendes Karosseriebauteil für Kraftfahrzeuge Expired - Lifetime EP0927589B9 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29800005U 1998-01-02
DE29800005U DE29800005U1 (de) 1998-01-02 1998-01-02 Bauteil, insbesondere Karosseriebauteil für Kraftfahrzeuge

Publications (4)

Publication Number Publication Date
EP0927589A2 EP0927589A2 (de) 1999-07-07
EP0927589A3 EP0927589A3 (de) 1999-07-21
EP0927589B1 true EP0927589B1 (de) 2002-09-04
EP0927589B9 EP0927589B9 (de) 2002-12-04

Family

ID=8050876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122771A Expired - Lifetime EP0927589B9 (de) 1998-01-02 1998-12-01 Eine aufgeschäumte Metallschicht enthaltendes Karosseriebauteil für Kraftfahrzeuge

Country Status (3)

Country Link
EP (1) EP0927589B9 (de)
AT (1) ATE223275T1 (de)
DE (2) DE29800005U1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1422303B1 (de) * 1999-06-23 2008-12-10 Grillo-Werke AG Verfahren zur Herstellung von Metallschaumkörpern auf Basis von Zink
DE102004040888A1 (de) * 2004-08-24 2006-04-13 Wilhelm Karmann Gmbh Herstellung von Bauteilen mit zumindest einer metallischen Schaumlage
DE102015002561A1 (de) * 2015-02-27 2016-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Herstellen eines metallischen Verbundkörpers sowie metallischer Verbundkörper

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277544A (en) * 1979-01-29 1981-07-07 Ipm Corporation Powder metallurgical articles and method of bonding the articles to ferrous base materials
JP3509031B2 (ja) * 1993-12-10 2004-03-22 片山特殊工業株式会社 リード付き金属多孔体の製造方法及び該方法により製造されたリード付き金属多孔体
AT405494B (de) * 1996-02-14 1999-08-25 Miba Frictec Gmbh Verfahren zum herstellen einer ebenen reiblamelle
DE19612781C1 (de) * 1996-03-29 1997-08-21 Karmann Gmbh W Bauteil aus metallischem Schaumwerkstoff, Verfahren zum Endformen dieses Bauteils und Vorrichtung zur Ausführung des Verfahrens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Alulight-Platten", Prospekt der Firma Mepura GmbH, Juni 1996. *

Also Published As

Publication number Publication date
ATE223275T1 (de) 2002-09-15
DE29800005U1 (de) 1999-05-06
EP0927589B9 (de) 2002-12-04
EP0927589A2 (de) 1999-07-07
DE59805404D1 (de) 2002-10-10
EP0927589A3 (de) 1999-07-21

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