Two-piece liner for use in a matchplate molding machine

Details Two-piece liner for use in a matchplate molding machine Two-piece liner for use in a matchplate molding machine

1993-08-02

1994-09-06

Batten, Jr., J. Reed

Metal founding

With positive cleaning means for apparatus

164182, 164187, 164239, 164242, 164244, B22C 1502, B22C 2300

Patent

active

053439287

ABSTRACT:
An automatic matchplate molding machine, used to form sand cope and drag molds, includes a basin former to create a pouring basin in the cope mold. The basin former includes a two-piece liner, one of the pieces being a relatively short and inexpensive plastic sleeve which may be replaced at a relatively low cost when wear occurs. Air passages in the liner channel air into the center of the liner, creating a swirling air current, thereby blowing loose sand out of the liner.

REFERENCES:
patent: 2275806 (1942-03-01), Perazo
patent: 3234602 (1966-02-01), Hunter et al.
patent: 3970138 (1976-07-01), Buhrer
patent: 5069268 (1991-12-01), Hunter

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