Paper making and fiber liberation – Processes and products – Lead strip forming and/or guiding
Reexamination Certificate
2006-11-14
2006-11-14
Halpern, Mark (Department: 1731)
Paper making and fiber liberation
Processes and products
Lead strip forming and/or guiding
C162S255000, C162S194000, C162S286000, C162S363000, C034S117000, C034S120000, C226S007000, C226S091000, C226S092000, C226S095000
Reexamination Certificate
active
07135091
ABSTRACT:
The invention relates to an arrangement for threading a pulp web (W) from the press section (1) of a pulp machine to the dryer (2) of the pulp machine. The arrangement comprises a closing tail threading belt (3) or the like, which is arranged to convey the narrow tail end (Wh) formed on the pulp web (W) inside the dryer (2), where the tail threading cord travels outside the edge of the normal web line of the pulp web. The tail end (Wh) can subsequently be broadened into a normal-width pulp web (W). The arrangement further comprises means (7) for gripping the tail end (Wh) in order to bring the tail end inside/between a closing tail threading cord (3) or the like, whereby the gripping means (7) are arranged to function at the normal running speed of the pulp machine. The arrangement comprises means (4) by which the tail threading cord (3) can be moved inwards from its normal route, towards the pulp web, to travel essentially in the same line with the tail end formed on the edge of the pulp web before the tail end is conveyed inside the tail threading cord, and means (5) by which the tail threading cord (3) and the tail end (Wh) inside it can be moved back to the normal route located outside the edge of the pulp web before entering the dryer (2).
REFERENCES:
patent: 4136808 (1979-01-01), Reba
patent: 6073825 (2000-06-01), Hilker
patent: 6253983 (2001-07-01), Dadd
patent: 6387220 (2002-05-01), Mohrsen et al.
patent: 972387 (1975-08-01), None
patent: 104840 (2000-04-01), None
patent: 105218 (2000-06-01), None
patent: 106475 (2001-02-01), None
patent: 20001343 (2001-09-01), None
patent: WO 99/39049 (1999-08-01), None
Copy of International Search Report for PCT/FI02/00510 completed Oct. 17, 2002.
Huhtala Olli
Tilli Tapani
Alston & Bird LLP
Halpern Mark
Metso Paper Inc.
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