Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1998-02-05
1999-11-02
Bennett, Henry
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34120, D21F 500, D06F 5800
Patent
active
059746840
ABSTRACT:
A suction device for a machine to produce a fibrous pulp web is provided that includes a suction unit extending transverse to a web run direction over a width of the web, a vacuum source coupled to the end of the suction unit, and a plurality of suction openings distributed over the web width, where the plurality of suction openings form an entire suction zone extending over the width of the web, and where the entire suction zone includes a plurality of partial suction zones successively arranged transverse to the web run direction.
REFERENCES:
patent: 3906596 (1975-09-01), Fleissner
patent: 5020242 (1991-06-01), Mayer et al.
patent: 5347728 (1994-09-01), Pinter et al.
patent: 5371954 (1994-12-01), Pinter et al.
patent: 5465502 (1995-11-01), Holik et al.
patent: 5640782 (1997-06-01), Deshpande et al.
Copy of a German Search Report dated Sep. 24, 1997 issued in connection with German Patent Application No. 297 01 986.4.
Gaugenmaier Karl
Prinzing Hans
Steiner Karl
Bennett Henry
Gravini Steve
Voith Sulzer Papiermaschinen GmbH
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