Method and apparatus for packing granular materials

Details Method and apparatus for packing granular materials Method and apparatus for packing granular materials

1979-12-11

1981-12-22

Baldwin, Robert D.

Metal founding

Process

Shaping a forming surface

164169, B22C 1500

Patent

active

043066097

ABSTRACT:
For packing granular materials, especially foundry moulding materials, by means of an exothermic reaction of a mixture of air and fuel in a combustion chamber (23), a relative movement between the combustible mixture and one or several pulse triggers (19), is produced during the exothermic reaction, preferably by a blower (20) disposed in the combustion chamber (23). Hence the measured amount of sand introduced into a moulding frame (11) and a filling frame (12) over a pattern (6) by means of a sand container (17) is packed to form a mould body.

REFERENCES:
patent: 3170202 (1965-02-01), Huston, Sr. et al.

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