Process and apparatus for producing casting cores

Details Process and apparatus for producing casting cores Process and apparatus for producing casting cores

B - Operations, Transporting

22

C

B22C 9/02 (2006.01) B22C 1/22 (2006.01) B22C 7/06 (2006.01) B22C 9/12 (2006.01) B22C 15/24 (2006.01)

Patent

CA 2458895

A method for producing sand cores for foundry, comprising the operations of: - defining a moulding cavity (6); - blowing in a mixture of sand and hydrated binder into said moulding cavity (6) so as to produce a mass of sand (M), which reproduces in a complementary way the shape of said moulding cavity (6); and - producing the passage, through said mass of sand (M), of a flow of aeriform along at least one principal direction (X). The method comprises the operation of generating through said mass of sand (M) a flow of aeriform, directed at least in part in a radial direction with respect to said principal direction.

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