Ceramic lined shot sleeve

Details Ceramic lined shot sleeve Ceramic lined shot sleeve

B - Operations, Transporting

22

D

B22D 17/20 (2006.01)

Patent

CA 2154688

A lined shot sleeve (40) for use in injection die casting molten metal is disclosed. The lined shot sleeve (40) comprises an elongated main body portion (42) including a first continuous inner wall surface (44) defining a receptacle bore (46) axially extending between a first end (48) and a second end (50) of the main body portion (42). There is an elongated ceramic liner (60) adapted for secure placement within the receptacle bore (46). The first (68) and second (70) ends of the ceramic liner are generally coincident with the first (48) and second (50) ends of the main body portion. The elongated ceramic liner (60) acts as a physical and thermal insulator to protect the first continuous inner wall surface (44) of the main body portion from contact with the molten metal. The shot sleeve further comprises an end collar member (90) adapted for secure attachment to the first end (92) of the main body portion and the first end thereof being adapted for operative engagement with an injectionidie casting mold platen.

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