Process for the rapid production of foundry molds and cores and

Details Process for the rapid production of foundry molds and cores and Process for the rapid production of foundry molds and cores and

1975-09-11

1976-09-07

Vlachos, Leonidas

Metal founding

Process

Shaping a forming surface

164 41, 164 43, 164138, 164203, 260 3, B22C 902, B22C 116, B22C 1510

Patent

active

039789063

ABSTRACT:
A contact adhesive that is a polymeric material with a major proportion of a tackifier is applied to sand in making a foundry mold. No curing step for the adhesive is required but instead pressure is applied to get the desired bonding together of the sand granules.

REFERENCES:
patent: 2726431 (1955-12-01), Ensign et al.
patent: 2795022 (1957-06-01), Shaw et al.
patent: 2976589 (1961-03-01), Hackett et al.
patent: 3446265 (1969-05-01), Buck et al.
patent: 3590906 (1971-07-01), Kiddermeister et al.
patent: 3692733 (1972-09-01), Johnson et al.
patent: 3726954 (1973-04-01), Munk et al.
patent: 3925271 (1975-12-01), Balinth

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