Global Patent Index - EP 0119939 B1

EP 0119939 B1 19860820 - PROCESS FOR PRESSURE-SINTERING ALUMINIUM ALLOY POWDER

Title (en)

PROCESS FOR PRESSURE-SINTERING ALUMINIUM ALLOY POWDER

Publication

EP 0119939 B1 19860820 (FR)

Application

EP 84420041 A 19840308

Priority

FR 8304343 A 19830310

Abstract (en)

[origin: US4534937A] This invention relates to a process for sintering aluminum alloy powders under pressure. It consists in placing the powder in a capsule, in coating the capsule with an easily melted, stable vitreous material with a viscosity between 102 and 105 poises at the sintering temperature and in pressing it in a unidirectional press. It applies, in powder metallurgy, to the obtaining of castings that exhibit homogeneous mechanical properties, these castings being able to be roughcasts or finished castings.

IPC 1-7

B22F 3/14; C22C 1/04

IPC 8 full level

B22F 3/14 (2006.01); B22F 3/12 (2006.01); B22F 3/15 (2006.01); B22F 3/20 (2006.01)

CPC (source: EP US)

B22F 3/1241 (2013.01 - EP US)

Citation (examination)

FR 2339446 A1 19770826 - SERVIMETAL [FR]

Designated contracting state (EPC)

CH DE GB IT LI

DOCDB simple family (publication)

EP 0119939 A1 19840926; EP 0119939 B1 19860820; DE 3460496 D1 19860925; FR 2542228 A1 19840914; FR 2542228 B1 19850802; JP S59170204 A 19840926; US 4534937 A 19850813

DOCDB simple family (application)

EP 84420041 A 19840308; DE 3460496 T 19840308; FR 8304343 A 19830310; JP 4478984 A 19840308; US 47990083 A 19830329