Apparatus for processing waste material chiefly composed of pape

Details Apparatus for processing waste material chiefly composed of pape Apparatus for processing waste material chiefly composed of pape

1977-11-11

1979-11-13

Hill, Ralph J.

Solid material comminution or disintegration

Apparatus

Rotary striking member with circumferential or tangential flow

241191, 209 4, B02C 1306

Patent

active

041740750

ABSTRACT:
A device for the treatment of waste materials composed chiefly of paper and plastic film is equipped with a stellate rotor rotatably mounted within a casing of the device at a location through which the waste materials are passed. The stellate rotor is equipped with a plurality of rigid arms having ends which engage portions of the side walls of the casing to enhance recovery and separation of the paper and plastic film. Because of the rigid structure of the arms of the rotor, the ends of the arms engaging the casing side wall move along a circular path having a fixed radius. The casing side wall engaged by the ends of the arms of the rotor includes a curved portion extending from a first end thereof spaced away from the circular path of the rotor ends to a second portion which is coincident with the circular path of the rotor ends. The direction of rotation of the rotor is such that the ends of the arms move from the first end of the curved portion to the second end thereby causing the waste materials to be moved through a generally narrowing gap maintained between the curved portion of the casing inner wall and the rotor ends extending from the first end of the curved portion toward the second end.

REFERENCES:
patent: 1724895 (1929-08-01), Beach
patent: 1787828 (1931-01-01), Levin
patent: 2490564 (1949-12-01), Vincent
patent: 3154255 (1964-10-01), Schulman et al.
patent: 3773613 (1973-11-01), Lee et al.
patent: 3826437 (1974-07-01), Warren et al.
patent: 3890220 (1975-06-01), Anderson
patent: 3946950 (1976-03-01), Graf

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