Device for the maintenance of semi-autogenous grinding mills...

Details Device for the maintenance of semi-autogenous grinding mills... Device for the maintenance of semi-autogenous grinding mills...

2005-03-22

2005-03-22

Peterson, Kenneth E. (Department: 3724)

Severing by tearing or breaking

Breaking or tearing apparatus

Movable breaking tool

C030S180000, C030S182000

Reexamination Certificate

active

06869001

ABSTRACT:
A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has a defined cavity in which there is a movable cutting tool and a fixed cutting tool. The nut to-be-cut is positioned in the space located between the two cutting tools. The hydraulic cylindrical chamber contains a push piston that is sealed to the inside of said hydraulic cylindrical chamber with watertight joints. The push piston is attached to a toolholder axis and the movable cutting tool is attached to the front end of the toolholder axis.

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