Method for producing extensible paper, plant for...

Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...

Reexamination Certificate

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Details

C162S135000, C162S265000

Reexamination Certificate

active

07918966

ABSTRACT:
The paper web is passed on the production line between at least one pair of rollers, of which one is of soft material driven at greater speed, the hard material roller presenting a base roughness RA of less than 5 and along its entire lateral surface having incisions that are precisely spaced.

REFERENCES:
patent: 3290209 (1966-12-01), Ihrman
patent: 6024832 (2000-02-01), Trani et al.
patent: 1 466 952 (2004-10-01), None
patent: WO 97/27364 (1997-07-01), None
patent: WO 2004/029361 (2004-04-01), None
WO 2004/029361, Date: Aug. 2004, translated copy.

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