Global Patent Index - EP 1477661 A3

EP 1477661 A3 20050914 - Producing of a gradient-workpiece by layer-casting

Title (en)

Producing of a gradient-workpiece by layer-casting

Title (de)

Herstellen eines Gradientenwerkstücks durch Schichtgiessen

Title (fr)

Fabrication d'une pièce avec gradient par moulage en couches

Publication

EP 1477661 A3 20050914 (DE)

Application

EP 04010594 A 20040504

Priority

  • DE 10320396 A 20030506
  • DE 10331555 A 20030711
  • DE 10342582 A 20030915

Abstract (en)

[origin: EP1477661A2] Method involves making the workpiece from cast iron containing graphite, using different graphite structures for different zones of the workpiece that are subject to different stresses. Cast iron charges and/or alloys that are cast in a mold contain or form the different graphite structures. An independent claim is also included for: (a) apparatus for implementing the inventive method (b) and a cast item, especially an engine or cylinder block or cylindrical crankcase of cast iron with graphite.

IPC 1-7

F02F 7/00; B22D 19/16

IPC 8 full level

B22D 1/00 (2006.01); B22D 19/16 (2006.01); B22D 27/20 (2006.01); F02F 7/00 (2006.01)

CPC (source: EP)

B22D 1/007 (2013.01); B22D 19/16 (2013.01); B22D 27/20 (2013.01); F02F 7/00 (2013.01); F05C 2201/0439 (2013.01)

Citation (search report)

  • [X] EP 0881019 A1 19981202 - WAERTSILAE NSD SCHWEIZ AG [CH]
  • [X] AMBOS, EBERHARD ET AL: "Criteria for the selection of a material combination for the manufacture of gradient material cast components", GIESSEREI , 89(1), 43-45 CODEN: GIESAS; ISSN: 0016-9765, 2002, XP009051028
  • [XA] STETS, W. (IFG INSTITUT FUR GIESSEREITECHNIK): "Material basics of compound casting of cast iron with steel.[Werkstoffkundliche Grundlagen des Verbundgiessens von Gusseisen mit Stahl.].", GIESSEREI 86, (8), 55-61, GRAPHS, PHOTOMICROGRAPHS, 30 REF. ISSN: 0016-9765, 1999, XP009051027
  • [X] PATENT ABSTRACTS OF JAPAN vol. 2000, no. 22 9 March 2001 (2001-03-09)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 012, no. 282 (M - 726) 3 August 1988 (1988-08-03)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1477661 A2 20041117; EP 1477661 A3 20050914

DOCDB simple family (application)

EP 04010594 A 20040504