Equipment and method in a paper or board machine for mixing...

Paper making and fiber liberation – Apparatus – Slurry supply conditioning or condition maintaining

Reexamination Certificate

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Details

C162S190000, C162S216000, C162S264000, C366S338000

Reexamination Certificate

active

09719029

ABSTRACT:
The invention concerns an equipment and a method in a paper or board machine for mixing fresh stock (M) with water (V) used for dilution of the fresh stock. At the point of mixing (K) of the dilution water (V) and the fresh stock (M) passed from the pipe (13), there is at least one such pipe portion as comprises a wave-shaped form in its connection in the cross section of the pipe.

REFERENCES:
patent: 3812007 (1974-05-01), Kaiser
patent: 3839145 (1974-10-01), Bueckle
patent: 4021296 (1977-05-01), Reiner
patent: 4808007 (1989-02-01), King
patent: 4929088 (1990-05-01), Smith
patent: 5030326 (1991-07-01), Nous
patent: 5839828 (1998-11-01), Glanville
patent: 6200417 (2001-03-01), Binder et al.
patent: 6277243 (2001-08-01), Binder et al.
patent: 6368462 (2002-04-01), Lumiala et al.
patent: 6740198 (2004-05-01), Ahola et al.
patent: 6986832 (2006-01-01), Lamminen et al.
patent: 100168 (1968-04-01), None
patent: 100168 (1969-10-01), None
patent: 56221 (1979-08-01), None

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