Pulper for comminuting and suspending paper stock and its use

Solid material comminution or disintegration – Apparatus – Including means applying fluid to material

Reexamination Certificate

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Reexamination Certificate

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07980497

ABSTRACT:
A pulper is used to comminute and suspend paper stock. The pulper includes a container that is open at the top and has a cylindrical side wall and a driven rotor, which is arranged eccentrically with respect to the center of the container. The bottom of the container can be provided with one or more truncated cones.

REFERENCES:
patent: 3043526 (1962-07-01), Cowles
patent: 3295769 (1967-01-01), Nilsson
patent: 3342425 (1967-09-01), Morton
patent: 4199110 (1980-04-01), Eriksson
patent: 6508422 (2003-01-01), Wickensberg et al.
patent: 2006/0273208 (2006-12-01), Iwashige
patent: 844116 (1952-07-01), None
patent: 1122361 (1962-01-01), None
patent: 3234702 (1984-03-01), None
patent: 3429514 (1986-02-01), None
patent: 3638993 (1987-07-01), None

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