Method and apparatus for producing and testing a fiber bed

Details Method and apparatus for producing and testing a fiber bed Method and apparatus for producing and testing a fiber bed

2005-04-26

2005-04-26

Alvo, Steve (Department: 1731)

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With testing, sampling or analyzing

C162S198000, C162S258000, C162S259000, C162S263000, C073S053030, C073S053040, C073S159000

Reexamination Certificate

active

06884320

ABSTRACT:
A method for producing and testing a fiber bed, includes a housing, a main inlet passage and a main outlet passage, a cavity in the housing in fluid connection with the inlet and outlet passages, a body rotatably arranged in the cavity, the body being arranged with a through-going passage having first and a second opening, a screen arranged in the through-going passage, and elements for measuring properties of the fiber bed. The method includes positioning the body so that the first opening is connected to the main inlet and the second opening is connected to the main outlet, creating a first passage, leading a fiber suspension through the first passage in order to produce a fiber bed on the screen, measuring the properties of the bed, rotating the body such that the second opening is connected to the main inlet and the first opening is connected to the main outlet and creating a flow through the first passage for removing the fiber bed from the screen through the outlet.

REFERENCES:
patent: 3186215 (1965-06-01), Danforth
patent: 3355250 (1967-11-01), Gorring
patent: 3538749 (1970-11-01), Danforth
patent: 4344321 (1982-08-01), Haapamaki
patent: WO 9534804 (1995-12-01), None

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