Patent ID: 8037585

Claim:
A device for dismounting a neck bush ( 4 ), a bearing bush ( 5 ,) and a chock ( 6 ) from a conically constructed region of a roll neck ( 2 ) of a roll ( 1 ), the device comprising a pressure shoulder ring ( 8 ), which is supported on an end face of the neck bush ( 4 ), installed on a roll neck shoulder ( 3 ) of the roll ( 1 ) so as to form a gap ( 11 ) between the pressure shoulder ring ( 8 ) and an end face ( 7 ) of the roll neck ( 2 ), where the pressure shoulder ring ( 8 ) is coupled with the neck bush ( 4 ), and where at least one pressure medium for removing the neck bush ( 4 ) and the chock ( 6 ) is provided in the gap ( 11 ), at least one bore ( 12 ) being provided in the roll neck shoulder ( 3 ), through which the pressure medium can be supplied to the gap ( 11 ) between the end face ( 7 ) of the roll neck ( 2 ) and the pressure shoulder ring ( 8 ), wherein the bore ( 12 ) has a connection at the free end of the roll neck shoulder ( 3 ) for connecting a pressure medium line.