Title (en)

PROCESS FOR PRODUCING CAST COMPONENTS AND PATTERN FOR USE OF THIS PROCESS

Publication

EP 0179100 B1 19880107 (DE)

Application

EP 85901972 A 19850417

Priority

DE 3415232 A 19840421

Abstract (en)

[origin: WO8504826A1] Gasifiable parts of a pattern (2) for producing contours which do not match a mould and reusable pattern parts (1) are connected to form a pattern. After moulding, only the reusable parts of the pattern (1) are removed from the mould, while the gasifiable parts of the pattern (2) are destroyed during casting.

IPC 1-7

B22C 7/02; B22C 9/04

IPC 8 full level

B22C 7/02 (2006.01); B22C 9/04 (2006.01)

CPC (source: EP US)

B22C 7/023 (2013.01 - EP US); B22C 9/046 (2013.01 - EP US)

Citation (examination)

• US 3842899 A 19741022 - HAUSER LIENHARD H
• DE 1917893 U 19650616 - GRUENZWEIG & HARTMANN [DE]

Designated contracting state (EPC)

AT DE FR GB IT

DOCDB simple family (publication)

WO 8504826 A1 19851107; DE 3415232 A1 19851031; DE 3415232 C2 19860410; DE 3561289 D1 19880211; EP 0179100 A1 19860430; EP 0179100 B1 19880107; JP S61501901 A 19860904; US 4694879 A 19870922

DOCDB simple family (application)

DE 8500121 W 19850417; DE 3415232 A 19840421; DE 3561289 T 19850417; EP 85901972 A 19850417; JP 50183485 A 19850417; US 78780185 A 19851001