Device for separating air from flotation foam

Details Device for separating air from flotation foam Device for separating air from flotation foam

2005-11-08

2005-11-08

Smith, Duane (Department: 1724)

Gas separation: processes

Degasification of liquid

Defoaming

C095S260000, C095S261000, C096S177000, C096S217000, C366S305000, C366S307000, C209S170000

Reexamination Certificate

active

06962618

ABSTRACT:
Device and process for the removal of air from flotation foam formed during the flotation of a paper-fiber-containing suspension. The device includes a driven rotor that includes a shaft and at least one rotor blade positioned on the shaft, and a non-rotating wall arranged to surround the rotor in a region of the rotor blade by a non-rotating wall. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

REFERENCES:
patent: 2065096 (1936-12-01), Riegler
patent: 2908652 (1959-10-01), Forrester
patent: 2950171 (1960-08-01), Macq
patent: 3638919 (1972-02-01), Phipps
patent: 4310437 (1982-01-01), Schreiber
patent: 5094674 (1992-03-01), Schweiss et al.
patent: 5720661 (1998-02-01), Yoshizawa et al.
patent: 5792246 (1998-08-01), Nishiguchi
patent: 3519374 (1987-01-01), None
patent: 4009042 (1991-09-01), None

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