Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1977-12-19
1979-08-21
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
83345, B02C 1818, B02C 1840
Patent
active
041650433
ABSTRACT:
A crusher including a series of cutter units mounted on a pair of shafts arranged parallel to each other so as to rotate in the opposite directions to each other, wherein each of the cutter units is provided with a holder member which includes a flange portion and a boss portion, and a disc-shaped cutter blade secured detachably to the holder member and divided circumferentially into several segments, the cutter units on the respective shafts being so arranged that the disc-shaped cutter blades of every paired cutter units contact each other partly at their sides and that the disc-shaped cutter blade and flange portion of a cutter unit on one shaft are opposed to the boss portion of the mating cutter unit on the other shaft such that a space is formed between the peripheries of both cutter units; and each flange portion is provided with pawls along its outer periphery while each boss portion has provided along its periphery alternate ridges and recesses so designed as to maintain a substantially constant spacing between the outer periphery of the boss portion and the opposing periphery of the flange portion of the mating cutter unit during rotation of the cutter units.
REFERENCES:
patent: 3662964 (1972-05-01), Rossler
patent: 3880361 (1975-04-01), Schwarz
Higashi Kazo
Sawa Kiyohiko
(Kobe Steel, Ltd.)
Goldberg Howard N.
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