Separation of dirt and bark from wood chips

Details Separation of dirt and bark from wood chips Separation of dirt and bark from wood chips

1976-04-28

1979-02-20

Goldberg, Howard N.

Solid material comminution or disintegration

Processes

Wood and similar natural-fibrous vegetable material

209 3, 209250, 209284, 209288, 241 40, 241 793, 2411017, B02C 2102, B02C 2310

Patent

active

041402812

ABSTRACT:
In a timbering operation wherein the felled trees are fed into a chipper for conversion to chips at the timbering site the chips are fed into a trailer-mounted rotary cylindrical screen which separates the chips from dirt and fine bark particles. Preferably the chips entering the cylindrical screen are blown into engagement with an impact plate to aid in disloading particles of dirt and bark from the chips. The chipper may be mounted on the same trailer or may be a separate trailer-mounted unit.

REFERENCES:
patent: 2389715 (1945-11-01), Beardsley
patent: 2392812 (1946-01-01), Faris et al.
patent: 3069101 (1962-12-01), Wexell
patent: 3635410 (1972-01-01), Smith
patent: 3826437 (1974-07-01), Warren et al.

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