EP 0246394 A3 19881005 - DEVICE FOR MIXING SAND FOR FOUNDRY MOULDS OR CORES
Title (en)
DEVICE FOR MIXING SAND FOR FOUNDRY MOULDS OR CORES
Publication
Application
Priority
DE 3616894 A 19860520
Abstract (en)
[origin: US4798471A] Apparatus for making molding sand has one or more housings defining upright cylindrical chambers and being movable with reference to a plate-like support to and from positions of register with an aperture in the support. Each chamber is normally closed at its upper end by a closure which has outlets for sand and one or more binder materials (such as clayey matter, pulverulent iron oxide, pulverized wood and/or others), and a rotary propeller is movable axially in each chamber to mix the ingredients in the circumferential direction as well as axially of the respective chamber.
IPC 1-7
IPC 8 full level
B01F 11/00 (2006.01); B01F 13/10 (2006.01); B01F 15/00 (2006.01); B22C 5/04 (2006.01)
CPC (source: EP US)
B01F 31/40 (2022.01 - EP US); B01F 33/85 (2022.01 - EP US); B01F 35/145 (2022.01 - EP US); B01F 35/423 (2022.01 - EP US); B22C 5/044 (2013.01 - EP US)
Citation (search report)
- [X] DE 2248394 A1 19740411 - ELBA WERK MASCHINEN GMBH & CO
- [XP] DE 3519713 A1 19861204 - SCHMIDT PAUL PROF DR ING
- [Y] FR 2132148 A1 19721117 - BAKER PERKINS LTD
- [Y] DE 2925232 A1 19810108 - HAAGEN & RINAU
- [A] AU 422003 A
- [A] FR 2281786 A1 19760312 - FISCHER AG GEORG [CH]
- [Y] GB 2069383 A 19810826 - GISAG VEB
- [X] US 2115809 A 19380503 - BRONISLAW GOLDMAN
- [X] DE 2233089 A1 19740103 - NIPPON DYEING MACHINE MFG CO
- [Y] GB 1369447 A 19741009 - BAKER PERKINS LTD
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI NL SE
DOCDB simple family (publication)
EP 0246394 A2 19871125; EP 0246394 A3 19881005; EP 0246394 B1 19910410; AT E62433 T1 19910415; DE 3616894 A1 19871126; DE 3616894 C2 19890309; DE 3769200 D1 19910516; ES 2022164 B3 19911201; US 4798471 A 19890117
DOCDB simple family (application)
EP 87101231 A 19870129; AT 87101231 T 19870129; DE 3616894 A 19860520; DE 3769200 T 19870129; ES 87101231 T 19870129; US 5171787 A 19870518