Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...
Reexamination Certificate
2007-12-25
2007-12-25
Halpern, Mark (Department: 1731)
Paper making and fiber liberation
Processes and products
Running or indefinite length work forming and/or treating...
C162S254000, C162S259000, C162S315000, C162S336000, C118S232000
Reexamination Certificate
active
10486575
ABSTRACT:
Methods for uniformly distributing a flowing medium to a surface such as that of a rotary liquid permeable roll are disclosed where the flowing medium is distributed by a number of distribution units, the method including distributing the flowing medium to each of the distribution units and separately controlling the flow of the flowing medium to each of the distribution units whereby a uniform flow and an equal amount of the flowing medium is obtained in each of the distribution units. Distribution devices for uniformly distributing a flowing medium to such a surface are also disclosed.
REFERENCES:
patent: 5381341 (1995-01-01), Herrala et al.
patent: 5571383 (1996-11-01), Fredriksson et al.
patent: 5603806 (1997-02-01), Kerttula
patent: 6284100 (2001-09-01), Shakespeare et al.
patent: 34 25 129 (1986-01-01), None
patent: 500 546 (1994-07-01), None
Danielsson Magnus
Lundberg Jörgen T.
Halpern Mark
Lerner David Littenberg Krumholz & Mentlik LLP
Metso Paper Inc.
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