Solid material comminution or disintegration – Apparatus – Comminuting elements
Patent
1976-04-21
1977-08-16
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Apparatus
Comminuting elements
241294, 241260, B02C 712
Patent
active
040421830
ABSTRACT:
The inventive rotor operates in a mixer-refiner-reactor of the type shown in U.S. Pat. No. 3,806,050. The rotor body is formed with axially extending dovetail slots opening radially inward from the cylindrical periphery of the rotor body. The slots are filled with transverse plates having bases that fit in the slots, and each of the plates has a projection extending radially outward beyond the periphery of the rotor body to provide a working surface for engaging material. The plates can be set at angles relative to a plane perpendicular to the axis of the rotor body, and liner strips preferably fit between the bases of the plates and the inside surfaces of the slots. Spacer plates can be fitted in the slots between the plates having projections, which can vary from a single projection extending substantially across a slot to shorter projections in different transverse positions relative to the slot. Projections in different transverse positions can be ordered in a sequence repeating along the length of the slot so that the projections cooperate in moving material in an axial direction as the rotor turns.
REFERENCES:
patent: 737543 (1903-08-01), Wisner
patent: 2986347 (1961-05-01), Stevenson
patent: 3196916 (1965-07-01), Urshel
patent: 3806050 (1974-04-01), Cumpston, Jr.
patent: 3866844 (1975-02-01), Montgomery
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