Solid material comminution or disintegration – Apparatus – With comminuting member cleaner or scraper
Patent
1979-08-03
1981-01-27
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
With comminuting member cleaner or scraper
83122, 241236, B02C 1822
Patent
active
042470560
ABSTRACT:
A device for comminuting waste material, such as turnings or the like, is provided with two shafts, which are driven in opposite senses of rotation and are parallel to each other and comprise disc-shaped knives, of which the knives of one shaft engage respectively between the knives of the other shaft. The shafts are arranged in a knife box which has an upper inlet opening and a lower outlet opening and which has two external walls extending substantially parallel to the shafts. Between the knives of both shafts, stripping fingers are arranged, in the circumferential areas directed towards the external walls. The stripping fingers have a stripping end which is arranged at a short distance from the shaft and a top that is directed towards the inlet opening which is designed as a sliding surface inclined in the direction of the respective external wall of the knife box. The knife box also has by-pass openings on both sides in the sliding surface end areas.
REFERENCES:
patent: 2969103 (1961-01-01), Galitz
patent: 3682396 (1972-08-01), Whitney et al.
patent: 3931935 (1976-01-01), Holman
patent: 3991944 (1976-11-01), Baikoff
patent: 4081143 (1978-03-01), Johnson et al.
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