FIELD: mining industry. SUBSTANCE: cone-type crusher incorporates inner movable cone 2 and outer cone 1. Opening between cones is closed by movable plates 9, which retain insufficiently broken rock lumps until they are adequately crushed to pass opening between cones. Plates may be hinge-suspended from ring 10 fastened to lower part of outer cone. EFFECT: improved efficiency. 3 cl, 1 dwg
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Authors
Dates
1994-05-15—Published
1991-06-18—Filed