System for reducing blistering of a wet paper web on a yankee dr

Details System for reducing blistering of a wet paper web on a yankee dr System for reducing blistering of a wet paper web on a yankee dr

1993-12-27

1995-06-20

Jones, W. Gary

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

1623591, 34122, 34123, D21F 502, D21F 518

Patent

active

054258529

ABSTRACT:
Blistering of a wet paper web upon a yankee dryer drum is controlled by directing compressed dry air toward the wet paper web in the space between a pressure roll external of the yankee dryer hood and the entry opening between the dryer hood and the yankee dryer drum. The flow of compressed air is controlled so that air flow can be modified across the full width of the wet paper web.

REFERENCES:
patent: Re28459 (1975-07-01), Cole et al.
patent: 1698818 (1929-01-01), Lorenz
patent: 1830287 (1931-11-01), Ohlin
patent: 3213858 (1965-10-01), Merritt et al.
patent: 3808700 (1974-05-01), Kraus
patent: 4074441 (1978-02-01), Helversen et al.
patent: 4413427 (1983-11-01), Villalobos et al.
patent: 4665631 (1987-05-01), Villalobos
patent: 5385644 (1995-01-01), Hannus et al.

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