Process for the manufacture of a pleatable fleece filter...

Details Process for the manufacture of a pleatable fleece filter... Process for the manufacture of a pleatable fleece filter...

B - Operations, Transporting

01

D

B01D 46/52 (2006.01) B01D 39/16 (2006.01) B31F 1/26 (2006.01) D04H 1/54 (2006.01) D04H 1/70 (2006.01)

Patent

CA 2342835

Process for the manufacture of a pleatable filter material made of fleece which has spacers for pleated folds made of the filter material itself, whereby a fiber pile (1) of stretched synthetic fibers and a thermoplastic and/or thermally cross-linkable binder agent are heated in a furnace (2) to a temperature which lies at least in the softening temperature range and/or in the cross-linking temperature range of the binder agent, and the fiber pile (1) is subsequently simultaneously formed and cooled between profiled calendaring rollers (3).

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