Method and device for clamping of crushing shell

Details Method and device for clamping of crushing shell Method and device for clamping of crushing shell

2004-06-11

2010-12-14

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

Reexamination Certificate

active

07850108

ABSTRACT:
A gyratory crusher includes an outer shell, which should be fastened in a frame included in the crusher, and an inner shell, which is intended to be fastened on a crushing head and to define together with the outer shell a crushing gap for receipt of material to be crushed. Upon fastening of the outer shell a first abutment surface on the outer periphery of the outer shell is brought in a first step to abutment against a first contact surface on the frame. In a second step a spacer member is pressed in for clamping of the outer shell between a second surface on the outer periphery of the outer shell and the frame. A good abutment is provided both at the first abutment. Surface of the outer shell and at the second abutment surface thereof.

REFERENCES:
patent: 2161096 (1939-06-01), Schieferstein
patent: 2341543 (1944-02-01), Gruender
patent: 2941732 (1960-06-01), Cross et al.
patent: 3759453 (1973-09-01), Johnson
patent: 4615491 (1986-10-01), Batch et al.
patent: 6007009 (1999-12-01), Sheridan et al.
patent: 6129297 (2000-10-01), Sawant et al.
patent: 746655 (1956-03-01), None

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