Global Patent Index - EP 0872295 B1

EP 0872295 B1 20020612 - Casting mould and method for the production of hollow castings and hollow castings

Title (en)

Casting mould and method for the production of hollow castings and hollow castings

Title (de)

Giessform und Verfahren zum Herstellen von metallischen Hohlgiesslingen sowie Hohlgiesslinge

Title (fr)

Moule de coulage et procédé de fabrication de pièces coulées creuses et pièces coulées creuses

Publication

EP 0872295 B1 20020612 (DE)

Application

EP 97810226 A 19970415

Priority

EP 97810226 A 19970415

Abstract (en)

[origin: EP0872295A1] A mould for production of hollow metal castings is provided with an inlet (4) for introduction of a casting material (6) into a cavity (5) bounded by forming surfaces (7, 8, 9). The mould (1) comprises a steel mould (3) and a sand mould (2), with the steel mould providing the forming surface (9) and the sand mould providing the rest (7, 8) of the forming surfaces. Also claimed is a hollow casting with two zones with different wall thicknesses.

IPC 1-7

B22C 9/06; B22C 9/02

IPC 8 full level

B22C 9/02 (2006.01); B22C 9/06 (2006.01); B22C 9/24 (2006.01); F02B 3/06 (2006.01)

CPC (source: EP KR)

B22C 9/02 (2013.01 - EP); B22C 9/061 (2013.01 - EP KR); B22C 9/067 (2013.01 - KR); B22C 9/24 (2013.01 - KR); F02B 3/06 (2013.01 - KR); F02B 3/06 (2013.01 - EP); F02F 2007/0097 (2013.01 - EP KR)

Designated contracting state (EPC)

DE DK FR IT

DOCDB simple family (publication)

EP 0872295 A1 19981021; EP 0872295 B1 20020612; CN 1168557 C 20040929; CN 1199659 A 19981125; DE 59707494 D1 20020718; DK 0872295 T3 20020715; JP 4280322 B2 20090617; JP H10305347 A 19981117; KR 100538284 B1 20060322; KR 19980081389 A 19981125

DOCDB simple family (application)

EP 97810226 A 19970415; CN 98106609 A 19980413; DE 59707494 T 19970415; DK 97810226 T 19970415; JP 8372098 A 19980330; KR 19980013224 A 19980414