Solid material comminution or disintegration – Apparatus – Series material flow only through plural comminuting zones
Patent
1990-10-09
1992-05-05
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Series material flow only through plural comminuting zones
241236, 83501, B02C 1818
Patent
active
051100606
ABSTRACT:
This invention pertains to the cutter area of size reduction equipment for plastic or other waste material. The primary objective of the invention is to provide a primary and secondary cutting area within the cutting head assembly so that the granulate is properly sized upon discharge. In the normal passage of the material through the cutter assembly, this reduction to a predetermined size is accomplished in the primary cutting area. However, if material inadvertently passes through the primary area without being properly sized, it will be appropriately dimensioned in the secondary cutting area prior to discharge. The invention pertains to a cutter mechanism which uses a single plane of counter rotating, alternating cutters in conjunction with a stationary cutting surface to achieve the primary and secondary cutting actions. The invention further addresses design considerations of the locating means of both the shaft mounted cutter assemblies and the stationary cutting surfaces. A final consideration of the invention is a means of facilitating quick removal and replacement of the cutter mechanism as an assembly.
REFERENCES:
patent: 2101700 (1937-12-01), Chestnut
patent: 3960335 (1976-06-01), Haberle
patent: 4257565 (1981-03-01), Hatanaka
patent: 4565330 (1986-01-01), Katoh
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