Global Patent Index - EP 1259345 A1

EP 1259345 A1 2002-11-27 - CASTING SYSTEMS AND PROCESSES WITH AN OFF-CENTER INCOMING SOURCE OF LIQUID METAL

Title (en)

CASTING SYSTEMS AND PROCESSES WITH AN OFF-CENTER INCOMING SOURCE OF LIQUID METAL

Title (de)

GIESSSYSTEM UND VERFAHREN MIT EXZENTRISCH EINFLIESSENDER FLÜSSIGMETALLQUELLE

Title (fr)

SYSTEMES DE MOULAGE PAR COULEE ET PROCEDES POURVUS D'UNE SOURCE D'ENTREE EXCENTREE DE METAL LIQUIDE

Publication

EP 1259345 A1 (EN)

Application

EP 00919761 A

Priority

  • US 0008242 W
  • US 51133800 A

Abstract (en)

[origin: WO0162417A1] A casting system comprises an off-center incoming source (300) of refined liquid metal that is provided to a casting (145) being formed by the casting system. The casting comprising a liquidus portion (148) that receives the refined liquid metal and a solidified portion, the casting further comprising a fine-grain, homogeneous microstructure that is essentially oxide- and sulfide-free and segregation defect free. The casting system comprises a source of refined liquid metal, the refined liquid metal having oxides and sulfides refined out of the metal; and a nucleated casting system for forming the casting. The off-center incoming source of refined liquid metal is provided to the nucleated casting system off-set from a centerline (350) of the casting to disperse heat contained in the refined liquid metal throughout the liquidus portion thereby reducing a depth of the liquidus portion of the casting.

IPC 1-7 (main, further and additional classification)

B22D 37/00; B22D 23/10; B22F 3/115

IPC 8 full level (invention and additional information)

B22D 21/06 (2006.01); B22D 23/00 (2006.01); B22D 23/10 (2006.01); B22D 27/04 (2006.01); B22D 37/00 (2006.01); B22F 3/115 (2006.01); C23C 4/12 (2006.01)

CPC (invention and additional information)

B22D 37/00 (2013.01); B22D 23/10 (2013.01); B22F 3/115 (2013.01); C23C 4/123 (2016.01); B22F 2009/0852 (2013.01); B22F 2009/0856 (2013.01); B22F 2998/00 (2013.01)

Combination set (CPC)

B22F 2998/00 + B22F 5/009

Citation (search report)

See references of WO 0162417A1

Designated contracting state (EPC)

CH DE FR GB IT LI

EPO simple patent family

WO 0162417 A1 20010830; EP 1259345 A1 20021127; JP 2003523827 A 20030812; JP 4959897 B2 20120627

INPADOC legal status


2005-07-06 [18R] REFUSED

- Effective date: 20040507

2004-05-26 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

- Designated State(s): CH DE FR GB IT LI

2003-04-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030214

2002-11-27 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020923

2002-11-27 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE