Refining segment and a refining apparatus comprising a...

Solid material comminution or disintegration – Apparatus – Comminuting elements

Reexamination Certificate

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Reexamination Certificate

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06932290

ABSTRACT:
Apparatus for use as at least a portion of the refining surface of a refining disk is disclosed for use in a refiner for lignocellulosic material disposed in a refiner housing, the apparatus including a refiner segment having a periphery and mountable on the refining disk in juxtaposition with an opposing refining disk for treating the lignocellulosic material in the refining gap therebetween and a guide disposed along the entire periphery of the refining segment whereby lignocellulosic material leaving the refining gap is deflected from being thrown directly against the refiner housing.

REFERENCES:
patent: 1624037 (1927-04-01), Butler
patent: 4600475 (1986-07-01), Reinhall et al.
patent: 5042726 (1991-08-01), Reinhall
patent: 5950946 (1999-09-01), Kjellqvist et al.
patent: 435 737 (1984-10-01), None

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