Breaker cores

Details Breaker cores Breaker cores

B - Operations, Transporting

22

C

22/145

B22C 9/10 (2006.01) B22C 9/08 (2006.01) B22D 7/10 (2006.01)

Patent

CA 1099890

ABSTRACT OF DISCLOSURE A breaker core for use in metal casting is described. The core is located in a casting mould between a riser and the cavity corresponding to the casting. The core consists of a base having an aperture (which defines a neck between the casting and the solidified metal in the riser) therein and means on the base for frictional engagement with a casting riser lining sleeve or with a casting riser cavity to locate the core relative to the sleeve or to the cavity, The base may have a recess which receives a portion of the sleeve or an upstanding lip at or somewhat spaced from the edge of the base for engagement with the riser sleeve. - 1 -

297872

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