Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1977-06-29
1979-04-03
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
241290, B02C 204
Patent
active
041473094
ABSTRACT:
A pressure relief system for a gyratory crusher is disclosed in which two separate but interacting fluid assemblies function, respectively, to adjust the operating position of the crusher cone of the gyratory crusher and to control the pressure above which the pressure relief system is activated. The system operates to relieve excessive pressure caused by the introduction of uncrushable foreign matter into the crushing chamber and to facilitate the elimination of such matter from the crusher.
REFERENCES:
patent: 3133707 (1964-05-01), Zimmerman
patent: 3372881 (1968-03-01), Winter
patent: 3481548 (1969-12-01), Beisner et al.
patent: 3801026 (1974-04-01), Decker et al.
patent: 4060205 (1977-11-01), Pollak
Duval Corporation
Goldberg Howard N.
Sroufe Delmar L.
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