EP 0262324 A1 19880406 - Process for rapid quenching in a fluidized bed.

Title (en)

Process for rapid quenching in a fluidized bed.

Title (de)

Verfahren zum Schnellabschrecken im Wirbelbett.

Title (fr)

Procédé de trempe rapide dans un lit fluidisé.

Publication

EP 0262324 A1 19880406 (EN)

Application

EP 87110765 A 19870724

Priority

US 91332086 A 19860930

Abstract (en)

A process enabling rapid quenching of articles in a fluidized bed wherein a bed of defined particle type and size is fluidized at a defined flowrate with a high conductivity gas.

IPC 1-7

C21D 1/53; C21D 1/56

IPC 8 full level

C21D 1/20 (2006.01); C21D 1/53 (2006.01); C21D 1/56 (2006.01); C22F 1/04 (2006.01)

CPC (source: EP KR)

C21D 1/20 (2013.01 - EP); C21D 1/53 (2013.01 - EP); C21D 1/56 (2013.01 - EP); C21D 9/573 (2013.01 - KR); C22F 1/04 (2013.01 - EP)

Citation (search report)

[A] EP 0118836 A2 19840919 - ROCKWELL INTERNATIONAL CORP [US]
[A] FR 2447968 A1 19800829 - CELES SA
[A] US 3053704 A 19620911 - MUNDAY JOHN C
[A] EP 0144907 A2 19850619 - NISSAN MOTOR [JP]
[A] US 4612065 A 19860916 - KUEHN FRIEDHELM [DE]
[X] PATENT ABSTRACTS OF JAPAN, vol. 5, no. 54 (C-50)[726], 15th April 1981; & JP-A-56 005 917 (KOMATSU SEISAKUSHO) 22-01-1981
[A] HÄRTEREI-TECHNISCHE MITTEILUNGEN, vol. 40, no. 5, September-October 1985, pages 195-197, Munich; R. PULKKINEN et al.: "Beschleunigtes Abkühlen von Stahl und Gusseisen in einem Wirbelbett"

Designated contracting state (EPC)

BE CH DE ES FR IT LI LU NL

DOCDB simple family (publication)

EP 0262324 A1 19880406; BR 8703860 A 19880503; CA 1296603 C 19920303; CN 87105737 A 19880504; JP S6389615 A 19880420; KR 880004112 A 19880601

DOCDB simple family (application)

EP 87110765 A 19870724; BR 8703860 A 19870724; CA 542520 A 19870720; CN 87105737 A 19870819; JP 18905187 A 19870730; KR 870008490 A 19870803