Disintegrator with rotative disk cutters

Details Disintegrator with rotative disk cutters Disintegrator with rotative disk cutters

2006-10-31

2006-10-31

Banks, Derris H. (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S142000, C241S143000, C241S158000, C241S159000, C241S166000, C241S167000, C241S236000

Reexamination Certificate

active

07128285

ABSTRACT:
An object of the present invention is to diminish the sizes of most disintegrated material effectively, said sizes being determined by the box seats made on the surface of the under roll (7).In a disintegrator (1) having a case (4) with an upper hopper 2 and under exit (3), a pair of upper rolls (5, 6), an under roll (7) located below the upper rolls, and knives (8,9) projecting from inner surface of the case (4) toward the under roll (7) comprising a number of annular grooves (25) formed on the under roll (7), each groove (25) being coupled by a rotative disk cutter (27) at under side of the knives (8, 9). The under roll (7) is provided with polygonal installation seats (13), between adjoining installation seats (13) each attached by a number of cutting edge blocks (14) on a same circumference, said annular grooves (25) are formed between the adjoining installation seats (13).

REFERENCES:
patent: 3682396 (1972-08-01), Whitney et al.
patent: 5836527 (1998-11-01), Irwin et al.
patent: 6439486 (2002-08-01), Nitta et al.
patent: 1-236952 (1989-09-01), None
patent: 4-190858 (1992-07-01), None
patent: 2000-33280 (2002-02-01), None

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