Method and device in a dryer section of a fibre-web machine,...

Details Method and device in a dryer section of a fibre-web machine,... Method and device in a dryer section of a fibre-web machine,...

2007-05-29

2010-12-07

Halpern, Mark (Department: 1741)

Paper making and fiber liberation

Apparatus

C162S272000, C162S274000, C162S199000, C034S114000, C034S116000, C034S117000, C034S120000

Reexamination Certificate

active

07846297

ABSTRACT:
A hood (10) is located above a web forming section (12), a press section (14) and/or a dryer section and includes a ceiling (30), a back side wall, and a front side wall (44), which includes staggered wall segments (42). The wall segments (42) are adapted to move along rails or similar. The front side wall segments (42) are adapted to form two or more groups (46). A cleaning station (40) is arranged to automatically clean the side wall segments (42) as they move past the cleaning station.

REFERENCES:
patent: 3598039 (1971-08-01), Bryant
patent: 4536970 (1985-08-01), Eskelinen
patent: 5666740 (1997-09-01), Leinonen et al.
patent: 55536 (1970-04-01), None
patent: 83551 (1989-05-01), None
patent: 96329 (1996-02-01), None
patent: 96/34145 (1996-10-01), None
patent: 2007/144460 (2007-12-01), None
Written Opinion of the International Searching Authority issued in PCT/FI2007/050305.
Search Report issued in PCT/FI2007/050305.
Search Report issued in FI 200653.

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