Roll for comminuter

Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces

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Details

241258, 241294, 241257R, B02C 430

Patent

active

050641271

ABSTRACT:
In a comminuter for solid material, which includes a plurality of upright abrasive rolls mounted in a circle to form a comminuting chamber, an improvement in the comminuting roll includes the provision of a plurality of radially directed apertures formed in the surface of the rolls to pick up product from the interior of the comminuting chamber and deposit it adjacent the outer perimeter of the comminuter as the rolls rotate. The aperture may, but need not, extend through the roll. The rolls also include a plurality of removable teeth with the apertures formed in the surface of the rolls serving an additional purpose in providing an entry point for a bolt used to pass through the roll and threadably engage a tooth-mounting bar opposite the aperture. In one embodiment of the rolls a predetermined number of threaded apertures is formed in the surface of the roll and each tooth member has a threaded mounting stud formed thereon, which threadably engages the aperture. The threaded apertures can be formed by the insertion of a cylindrical plug in a predetermined number of the product pickup apertures, each of the cylindrical plugs having a threaded aperture formed longitudinally therein.

REFERENCES:
patent: 1736563 (1929-11-01), Wilmot
patent: 2865572 (1958-12-01), Lannert
patent: 3037540 (1962-06-01), Bloomquist et al.
patent: 4454995 (1984-06-01), Bloomquist

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