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US 10,124,403 B2Granted
Shot sleeve for die casting apparatus and method of fabricating same
AssigneeExco Technologies Limited
InventorPaul Henry Robbins
Life of this patent
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Abstract
A shot sleeve for a die-casting apparatus is described. The shot sleeve has a piston bore, and comprises an elongate body having an axial bore, and a sleeve liner formed on a surface of the axial bore. The sleeve liner defines a surface of the piston bore.
Claims20
A shot sleeve for a die-casting apparatus, the shot sleeve having a piston bore, the shot sleeve comprising:
- an elongate body having an axial bore;
- a sleeve liner formed on a surface of the axial bore, the sleeve liner defining a surface of the piston bore;
- and
- a sleeve insert accommodated in the axial bore and abutting the sleeve liner, the sleeve insert defining an additional surface of the piston bore, wherein the sleeve insert comprises an axial cut configured to allow the sleeve insert to be circumferentially compressed.
1 more element
A method of fabricating a shot sleeve for a die-casting apparatus, the shot sleeve having a piston bore, the method comprising:
- providing an elongate shot sleeve body having an axial bore;
- forming a sleeve liner on a surface of the axial bore, the sleeve liner defining a surface of the piston bore;
- and
- inserting a sleeve insert into the axial bore against the sleeve liner in an abutting manner, the sleeve insert defining an additional surface of the piston bore, wherein the sleeve insert comprises an axial cut configured to allow the sleeve insert to be circumferentially compressed.
1 more element
Dependencies are inferred from the claim text.