Machine and method for sorting out fines, pins, and over-thick w

Details Machine and method for sorting out fines, pins, and over-thick w Machine and method for sorting out fines, pins, and over-thick w

1990-02-26

1992-05-05

Hajec, Donald T.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209618, 209671, B07B 1304

Patent

active

051099888

ABSTRACT:
Fines, pins, and over-thick wood chips are separated from wood chip material by using a series of three roller screens having chip agitating and conveying protuberances. The screens are arranged and adapted such that over-thick chips are separated by the first screen, fines are separated by the second screen, and pins are separated by the third screen.

REFERENCES:
patent: 1424 (1839-12-01), Clark
patent: 1899292 (1933-02-01), Rienks
patent: 2266506 (1941-12-01), Morse
patent: 2370539 (1945-02-01), Hodecker
patent: 3438491 (1969-04-01), Haley et al.
patent: 3817375 (1974-06-01), Herkes
patent: 4376042 (1983-03-01), Brown
patent: 4430210 (1984-02-01), Tuuha
patent: 4903845 (1990-02-01), Artiano
Smith, et al., "The State of the Art in Chip Fines Screening", Tappi Journal, Sep. 1989, pp. 143-149.

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