Patent ID: 8186420
Filing Date: 2012-05-29
Classification: B22C,B22D

Abstract:
1. A mould ( 1 ; 50 ) for casting metal, said mould having a cavity therein, said cavity having a casting portion ( 12 ) and contiguous therewith a running system ( 4 ) upstream of the casting portion ( 12 ), said running system ( 4 ) comprising an upstream inlet portion ( 6 ; 58 ), a downstream outlet portion ( 10 ; 60 ) and a swirl chamber ( 7 ; 54 ) disposed between the inlet and outlet portions ( 6 , 10 ; 58 , 60 ), wherein a filter ( 8 ; 62 ) is provided at an interface between the swirl chamber ( 7 ; 54 ) and the outlet portion ( 10 ; 60 ), characterised in that the filter (