Flask unit and cope-and-drag molding machine and line

Details Flask unit and cope-and-drag molding machine and line Flask unit and cope-and-drag molding machine and line

2006-06-02

2011-10-11

Ward, Jessica L (Department: 1735)

Metal founding

Flask or flask section

C164S184000

Reexamination Certificate

active

08033316

ABSTRACT:
A flask unit for producing a cope and a drag that are stacked, comprising at least two uprightly disposed connecting rods (4), a cope flask slidably fitted on the connecting rods and formed with a molding sand blowing-in port in one of its sides, and a drag flask slidably fitted on the connecting rods so that it is located under the cope flask to mate it, the drag flask being formed with a molding sand blowing-in port in one of the sides thereof.

REFERENCES:
patent: 3229336 (1966-01-01), Hunter et al.
patent: 4348641 (1982-09-01), Scott et al.
patent: 4832108 (1989-05-01), Nagarwalla et al.
patent: 5246058 (1993-09-01), Murata
patent: 49-41451 (1974-11-01), None
patent: 57-195557 (1982-12-01), None
patent: 7-16705 (1995-01-01), None
patent: 2003-103345 (2003-04-01), None
patent: 2003-326358 (2003-11-01), None
Machine Translation of JP 2003-103345, which originally published Apr. 8, 2003.
International Search Report dated Sep. 5, 2006.

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