Global Patent Index - EP 0438338 B1

EP 0438338 B1 19950607 - Process for making a product from pre-alloyed powders and the product obtained from the said process.

Title (en)

Process for making a product from pre-alloyed powders and the product obtained from the said process.

Title (de)

Verfahren zur Herstellung eines Gegenstands aus vorlegierten Pulvern und nach diesem Verfahren hergestellter Gegenstand.

Title (fr)

Procédé d'obtention d'un produit à partir de poudres préalliées et produit obtenu à partir dudit procédé.

Publication

EP 0438338 B1 19950607 (FR)

Application

EP 91400064 A 19910111

Priority

FR 9000454 A 19900116

Abstract (en)

[origin: EP0438338A1] The process for making a product from pre-alloyed powders, in which the said powders are subjected to a densification treatment, is characterised in that the said powders are previously subjected to a pretreatment under low pressure (or without pressure) at a temperature of precipitation of the segregations in the form of stable phases.

IPC 1-7

B22F 1/00

IPC 8 full level

B22F 1/142 (2022.01); C22C 1/04 (2006.01)

CPC (source: EP US)

B22F 1/142 (2022.01 - EP US); C22C 1/0433 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB SE

DOCDB simple family (publication)

EP 0438338 A1 19910724; EP 0438338 B1 19950607; DE 69110139 D1 19950713; DE 69110139 T2 19960104; FR 2657032 A1 19910719; FR 2657032 B1 19950127; US 5395464 A 19950307

DOCDB simple family (application)

EP 91400064 A 19910111; DE 69110139 T 19910111; FR 9000454 A 19900116; US 22419494 A 19940407