Global Patent Index - EP 0374956 A2

EP 0374956 A2 19900627 - Decay mold.

Title (en)

Decay mold.

Title (de)

Zerstörbare Form.

Title (fr)

Moule destructible.

Publication

EP 0374956 A2 19900627 (EN)

Application

EP 89123816 A 19891222

Priority

  • JP 32217688 A 19881222
  • JP 32217788 A 19881222
  • JP 32217888 A 19881222

Abstract (en)

A decay mold comprising a powder material having a transition accompanied with a volume change occurring at a temperature lower than the sintering temperature and a binder thereof, comprising a material thermally decomposable at a temperature lower than the sintering temperature, or comprising a material soluble at least in one solvent in which the molding assistant to impart formability to the powder to be molded is insoluble. By using the mold of the invention, an arbitrary form of sintered products can be manufactured without damaging it at the demolding.

IPC 1-7

B22F 3/00; B28B 7/34

IPC 8 full level

B28B 7/34 (2006.01)

CPC (source: EP)

B28B 7/342 (2013.01)

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 0374956 A2 19900627; EP 0374956 A3 19910424

DOCDB simple family (application)

EP 89123816 A 19891222