Method of suppressing paper web flutter

Details Method of suppressing paper web flutter Method of suppressing paper web flutter

1979-09-18

1982-03-23

Chin, Peter

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

162202, 226 7, 226 97, D21F 1100

Patent

active

043211070

ABSTRACT:
Web flutter is suppressed by means of one or more foils along the path of movement of the web which may be porous, such as tissue, whether creped or not, or may be substantially non-porous. For porous web, the foil may be imperforate. For non-porous web, the foil may be foraminous. As the web travels at high speed in adjacently spaced relation to the foil, surface air pressure tends to be greater on the surface of the web opposite the web surface which faces the foil, thus tending to thrust the travelling web toward the foil, and thus stabilizing web travel and suppressing tendency for the web to flutter as it travels freely between supports such as a dryer and a calender.

REFERENCES:
patent: 3452447 (1969-07-01), Gardner
patent: 3813019 (1974-05-01), McAnespi et al.
patent: 3846228 (1974-11-01), Ely et al.
patent: 3847390 (1974-11-01), Dixon
patent: 4087319 (1978-05-01), Linkletter

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