Sand-forming apparatus

Details Sand-forming apparatus Sand-forming apparatus

2005-03-15

2005-03-15

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping a forming surface

C164S021000, C164S200000

Reexamination Certificate

active

06866083

ABSTRACT:
A sand-forming apparatus (10) comprising a sand magazine (12), a manifold (14), a core box (16) defining a cavity (18), a clamp table (20), and a blow tube assembly (22). The apparatus (10) is convertible from a sand-blowing state to a catalyst-introducing state without removal of the blow tube assembly (22) and/or unclamping of the tool package (e.g., the manifold (14) and the cope/drag halves of the core box (16)). In the sand-blowing state, sand is blown from the magazine (12) into the cavity (18) and, in the catalyst-introducing state, the catalyst is introduced into the blown sand in the cavity (18) to solidify the sand into a sand-shape.

REFERENCES:
patent: 4836269 (1989-06-01), Bellis et al.
patent: 5787957 (1998-08-01), Nagarwalla et al.

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