Global Patent Index - EP 0074755 A1

EP 0074755 A1 19830323 - Process for the reclamation of foundry sands.

Title (en)

Process for the reclamation of foundry sands.

Title (de)

Verfahren zur Rückgewinnung von Giessereisanden.

Title (fr)

Procédé pour la récupération de sables de fonderie.

Publication

EP 0074755 A1 19830323 (EN)

Application

EP 82304595 A 19820901

Priority

GB 8126689 A 19810903

Abstract (en)

This invention concerns the reclamation of foundry sands for re-use by removal of the binder by treating the sand in a fluid energy mill. By careful control of the energy imparted to the sand, binder removal can be achieved with minimal particle breakdown.

IPC 1-7

B22C 5/00; B22C 5/10; B22C 5/18; B07B 4/06

IPC 8 full level

B02C 23/18 (2006.01); B22C 5/04 (2006.01); B22C 5/10 (2006.01)

CPC (source: EP)

B22C 5/10 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0074755 A1 19830323; EP 0074755 B1 19860115; AU 542894 B2 19850321; AU 8784582 A 19830310; BR 8205096 A 19830809; CA 1209784 A 19860819; DE 3268559 D1 19860227; ES 515460 A0 19830816; ES 8308242 A1 19830816; JP S5853346 A 19830329; ZA 826431 B 19840425

DOCDB simple family (application)

EP 82304595 A 19820901; AU 8784582 A 19820830; BR 8205096 A 19820831; CA 410616 A 19820901; DE 3268559 T 19820901; ES 515460 A 19820902; JP 15334582 A 19820902; ZA 826431 A 19820902