Patent ID: 8616866

Claim:
A tool set ( 40 ) configured to compact a sinterable powder to form a green body ( 10 ), the tool set ( 40 ) having a central axis (A) defining axial and radial directions, the tool set ( 40 ) comprising: a base body ( 42 ) having a base through hole ( 50 ), a plurality of radially directed punch channels ( 52 ) and a plurality of radially directed die channels ( 54 ); a cover plate ( 44 ) mountable on the base body ( 42 ), the cover plate ( 44 ) having a plate through hole ( 46 ), the central axis (A) passing through the base and plate through holes ( 50 , 46 ) when the cover plate ( 44 ) is mounted on the base body ( 42 ); an upper punch ( 56 ) and an opposing lower punch ( 58 ), the upper punch ( 56 ) being axially moveable through the plate through hole ( 46 ), the lower punch ( 58 ) being axially moveable through the base through hole ( 50 ); a plurality of side punches ( 60 ) arranged in opposing pairs, the side punches being radially moveable in the punch channels ( 52 ); and a plurality of die rods ( 74 ) radially moveable in the die channels ( 54 ), each die rod ( 74 ) being common to and located between two adjacent side punches ( 60 ), each die rod ( 74 ) having a forward die shaping surface ( 78 ) and two die guiding surfaces ( 82 ) diverging rearwardly therefrom; wherein the two adjacent side punches ( 60 ) are slidably moveable on the die guiding surfaces ( 82 ) of the common die rod ( 74 ).