Shredding machine for fibrous materials

Details Shredding machine for fibrous materials Shredding machine for fibrous materials

1975-11-24

1977-04-19

Lake, Roy

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

144 2R, 144242D, 241242, B02C 1900

Patent

active

040183947

ABSTRACT:
The invention relates to a shredding machine, more particularly for shredding fibrous, lignin-containing or analogous materials. It comprises an endless belt carrying grinding tools such as gouges and forming an upper lap onto which the material to be defibred is delivered. The front portion of said belt rotates about a countershaft. The shredding machine, moreover, comprises a fixed end stop member located above the countershaft, while the lower profile of said stop member is adapted to the passage of the gouges. Means are also provided which cooperate with the said stop member to prevent the passage of thick fragments of the material to be defibred. The invention can in particular be applied to the grinding or defibring of pieces of wood, logs, branches, planks and similar lignin-containing materials.

REFERENCES:
patent: 77102 (1868-04-01), Rymes
patent: 2642904 (1953-06-01), Pearce
patent: 2711834 (1955-06-01), Broberg et al.
patent: 2936008 (1960-05-01), Brown
patent: 3275049 (1966-09-01), Gunn

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