Apparatus and method for producing casting mold

Details Apparatus and method for producing casting mold Apparatus and method for producing casting mold

2007-04-27

2011-12-27

Lin, Kuang (Department: 1735)

Metal founding

Means to shape a forming surface

C164S012000, C164S016000

Reexamination Certificate

active

08082975

ABSTRACT:
To provide a casting mold manufacturing apparatus using steam heating. The apparatus includes a forming die having a cavity, a resin-coated sand supply section for supplying a resin-coated sand into the cavity, a steam supply section for supplying steam into the cavity, and a steam discharge section for discharging the steam from the cavity. At least a portion of the forming die is composed of a porous material having pores with an average diameter smaller than an average particle diameter of the resin-coated sand. At least a portion of the steam is supplied into the cavity through the porous material. Since it is possible to uniformly supply the steam into the cavity, a homogeneous casting mold can be manufactured.

REFERENCES:
patent: 4232726 (1980-11-01), Michelson
patent: 7784524 (2010-08-01), Ide et al.
patent: 62-176634 (1987-08-01), None
patent: 2000-84641 (2000-03-01), None
patent: 2000-107835 (2000-04-01), None
International Search Report, Sep. 4, 2007, issued in PCT/JP2007/059233.

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