Method of manufacturing filters

Details Method of manufacturing filters Method of manufacturing filters

1997-10-09

1999-07-06

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

493402, 493403, 493417, 493422, 493424, 493941, 2191217, B31B 114, B31B 4900

Patent

active

059191228

ABSTRACT:
A method for the manufacture of filters in which a filter material in the rm of a continuous web is pre-embossed, perforated with a laser beam, and then pleated. The pleated filter element is fixed in a subsequent operation in an apparatus and the perforated scrap areas and are removed from the filter element.

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