Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With agitation or forced circulation
Reexamination Certificate
2007-10-16
2007-10-16
Fortuna, José A (Department: 1731)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With agitation or forced circulation
C162S004000, C162S056000, C162S052000, C241S021000
Reexamination Certificate
active
10088539
ABSTRACT:
The object of the invention is a method and a device for dispersing pulp, especially pulp containing waste paper, in which method ground pulp mass is fed between the blade surfaces (4) of a dispersing device that are brought in a rotating movement in relation to one another. The invention is characterized in that the dispersing event takes place in a narrow opening (5) between the conical surfaces (3) at the outlet end (6) of which there is arranged a running wheel (7) acting as pump by which the pulp is pumped out of the dispersing device by centrifugal force. The inner cone of the dispersing device may act as rotor and the outer cone may act as stator. In addition, the pulp may be diluted at the outlet end of the blade opening (5) with fluid introduced to the intake side of the running wheel (7).
REFERENCES:
patent: 4865690 (1989-09-01), Bernard et al.
patent: 5730376 (1998-03-01), Schneid et al.
patent: 5733412 (1998-03-01), Markham et al.
patent: 5863120 (1999-01-01), Gallagher et al.
patent: 6077396 (2000-06-01), LaRiviere
patent: 6139685 (2000-10-01), Saito
patent: 6363601 (2002-04-01), Schneid
patent: 6419786 (2002-07-01), Kurtz
patent: 6811655 (2004-11-01), Haffner
patent: 0886001 (1998-12-01), None
patent: 0922495 (1999-06-01), None
patent: 0931584 (1999-07-01), None
patent: 08099047 (1996-04-01), None
patent: 441758 (1985-11-01), None
patent: 502906 (1996-02-01), None
patent: 96/12062 (1996-04-01), None
patent: WO 0121312 (2001-03-01), None
“Altpapier—Probleme der Thostoff-Ruckgewinnung bei der Beschaffung, bei der Aufbereitung und beim Einsatz”, pp. 3-37, from Wochenblatt, 1976.
Cellwood Machinery brochure, Krima Dispenser Type KD.
Fortuna José A
Fressola Alfred A.
Metso Paper Inc.
Ware Fressola Van Der Sluys & Adolphson LLP
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