Title:
METHOD FOR LIBERATING CAST PARTS FROM REMAINING MOLDING SAND, AND DEVICE FOR CARRYING OUT SAID METHOD
Document Type and Number:
WIPO Patent Application WO2005051573
Kind Code:
A3
Abstract:
Disclosed are a method for liberating cast parts from remaining molding sand, especially sand cores, and a device for carrying out said method. The cast parts (6) to which the remaining molding sand sticks are introduced into the heated drum (1) of a furnace system, the bottom area of said drum (1) being filled with a bed of loose pourable material (4). The drum (1) is made to rotate when the cast parts are guided therethrough such that the loose pourable material (4) is conveyed from the bed of pourable material into the top area of the drum and is thrown down onto the cast parts (6) so as to detach and destroy the sticking remaining molding sand. In this manner, the sticking remaining molding sand can be removed while the dwell time of the cast parts (6) in the furnace system is kept particularly short.
Inventors:
JOHNEN DIETER (DE)
Application Number:
PCT/DE2004/002544
Publication Date:
November 17, 2005
Filing Date:
November 18, 2004
Export Citation:
Assignee:
HANF CARL ELINO IND OFENBAU (DE)
JOHNEN DIETER (DE)
JOHNEN DIETER (DE)
International Classes:
B22D29/00; B22D31/00; F27B7/20; F27B7/32; (IPC1-7): B22D29/00; F27B7/20; F27B7/32
Foreign References:
| DE2752562A1 | 1978-06-22 |
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