Patent ID: 9505053
Filing Date: 2016-11-29
CPC Classification: B22D

Claim Text:
1. A casting plunger for a casting unit of a casting machine, comprising: a casting-plunger shut-off valve integrated into the casting plunger, having a valve seat and a valve body interacting therewith, wherein the shut-off valve, in an open position, enables a flow of melt material through the casting plunger during a melt suction operation and, in a closed position, blocks said flow during a mold-filling operation, wherein the casting plunger comprises a plunger sleeve, which is placeable against an inner wall of a casting cylinder of the casting unit and contains the valve seat, and a plunger ram which contains the valve body, wherein the plunger sleeve and the plunger ram are movable axially with respect to one another by a predefinable valve stroke, wherein the plunger ram comprises a first ram part having the valve body, and a second ram part, arranged on the first ram part, having a plunger sleeve driver stop; the second ram part being fastened at the first ram part, and wherein the second ram part comprises a disk body or cylinder body having a plurality of axial melt passage openings, and the axial melt passage openings extend through the disk or cylinder body.