Process and apparatus for packing granular materials

Details Process and apparatus for packing granular materials Process and apparatus for packing granular materials

B - Operations, Transporting

22

C

22/158, 22/39

B22C 19/04 (2006.01) B22C 15/00 (2006.01)

Patent

CA 1165966

ABSTRACT OF THE DISCLOSURE: For packing granular materials, particularly foundry moulding materials, by means of an exothermic reaction of a mixture of air and fuel in a combustion chamber, a relative movement between the combustible mixture and one or more pulse triggers is produced during the exothermic reaction, for example by a blower disposed in the combustion chamber, by means of movable pulse triggers or sequential ignition of a plurality of spaced triggers. Hence, a measured amount of sand introduced by means of a sand container into a moulding frame and a filling frame over a pattern can be packed to form a mould body.

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