Method of inserting cores in a sand mould

Details Method of inserting cores in a sand mould Method of inserting cores in a sand mould

B - Operations, Transporting

22

C

22/154

B22C 9/10 (2006.01)

Patent

CA 1061080

Abstract of the Disclosure A method is disclosed of inserting in a sand mould one or more cores provided with one or more prints for engagement in corresponding cavi- ties in the mould. The method is characterized in that a compression of the sand is performed in one mould section in one or more regions adjacent to, preferably around, at least one of the cavities by means of one or more elements which are pressed into and produce recesses in the sand mould during the insertion of the core. It is preferred that a core mask is employed for positioning the core or cores in one of the mould sections. The recess or recesses can be produced by one or more projections on the core mask disposed adjacent to, preferably around, at least one print on the core inserted in the core mask or on at least one of the cores inserted in the core mask.

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