Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With agitation or forced circulation
Reexamination Certificate
2004-01-19
2009-11-24
Soohoo, Tony G (Department: 1797)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With agitation or forced circulation
C162S243000, C366S168100, C366S172100
Reexamination Certificate
active
07622018
ABSTRACT:
An arrangement for and a method of treating pulp, and a method of modernizing a pulp tower are disclosed. The arrangement and method relate to treating pulp in connection with high-consistency pulp towers, and especially to means (36, 42) for diluting pulp arranged substantially at the level of the smallest cross-sectional area between the parting member (31) and the wall (12) of the pulp tower (10).
REFERENCES:
patent: 1776761 (1930-09-01), Morterud
patent: 3787284 (1974-01-01), Richter
patent: 5397434 (1995-03-01), Costa et al.
patent: 5711600 (1998-01-01), Youkonummi
patent: 2003/0111200 (2003-06-01), Prough et al.
Soohoo Tony G
Sulzer Pumpen AG
Townsend and Townsend / and Crew LLP
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