Method and apparatus for cleaning a web

Details Method and apparatus for cleaning a web Method and apparatus for cleaning a web

1994-09-09

1995-06-06

Lewis, Michael

Cleaning and liquid contact with solids

Processes

Longitudinally traveling work of bar, strip, strand, sheet...

134 1, 15 151, B08B 102, B08B 500, B08B 600

Patent

active

054219019

ABSTRACT:
The present invention is a method and apparatus for non-contact cleaning of a web. The method and apparatus involves producing alternating electrostatic forces to separate particles from the surface of the web. The apparatus utilizes an electrode to produce a corona discharge in a gap formed between the electrode and the surface of the moving web being treated. An air supply arrangement is provided to supply air to and remove air from the gap to remove the particles which have been lifted from the surface of the web due to the corona discharge.

REFERENCES:
patent: 2920987 (1958-01-01), Landry et al.
patent: 2980993 (1961-04-01), Schwartz
patent: 3523319 (1970-08-01), Stoever
patent: 3536528 (1970-10-01), De Geest
patent: 4213167 (1980-07-01), Cumming et al.
patent: 4241377 (1980-12-01), Cumming
patent: 4454621 (1984-06-01), Testone
patent: 4727614 (1988-03-01), Swistun
patent: 4835808 (1989-06-01), Hahne et al.

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