Global Patent Index - EP 1259341 A2

EP 1259341 A2 2002-11-27 - METHOD FOR PRODUCTION OF AN OXIDATION INHIBITING TITANIUM CASTING MOULD

Title (en)

METHOD FOR PRODUCTION OF AN OXIDATION INHIBITING TITANIUM CASTING MOULD

Title (de)

VERFAHREN ZUR HERSTELLUNG EINER OXIDATIONSHEMMENDEN TITANGUSSFORM

Title (fr)

PROCEDE DE PRODUCTION D'UN MOULE POUR TITANE COULE, PRESENTANT UNE PROPRIETE D'INHIBITION D'OXYDATION

Publication

EP 1259341 A2 (DE)

Application

EP 01919141 A

Priority

  • DE 0100688 W
  • DE 10008384 A

Abstract (en)

[origin: WO0162413A2] The invention relates to a method for production of a lost mould for titanium casting, made from a hardenable packing material, comprising at least one oxidisable component, in particular, zirconium. Said method comprises at least the following steps: a) primary shaping of the mould by packing a model made from a fusible material in the packing material; b) hardening the packing material and melting the model material by heating and finally cooling the mould according to a pre-determined temperature time profile in a furnace. In order to achieve a mould with improved properties, the hardening of the packing material can be carried out under a protective gas atmosphere, or with reduced gas density, in particular at reduced pressure, or in a vacuum. Alternatively, after reaching and maintaining a maximum temperature the mould can be actively cooled, in order to reduce the cooling time.

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

B22C 9/12

IPC 8 full level (invention and additional information)

A61C 13/20 (2006.01); B22C 1/00 (2006.01); B22C 7/02 (2006.01); B22C 9/04 (2006.01); B22C 9/12 (2006.01); B22D 21/06 (2006.01)

CPC (invention and additional information)

B22C 7/02 (2013.01); B22C 1/00 (2013.01); B22C 9/04 (2013.01); B22C 9/12 (2013.01)

Citation (search report)

See references of WO 0162413A3

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0162413 A2 20010830; WO 0162413 A3 20020321; AT 283129 T 20041215; AU 4635901 A 20010903; DE 10008384 A1 20010913; DE 10008384 C2 20020718; EP 1259341 A2 20021127; EP 1259341 B1 20041124; ES 2233619 T3 20050616; JP 2003523287 A 20030805; PT 1259341 E 20050429; US 2003011093 A1 20030116; US 6802358 B2 20041012

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