Apparatus for forming spiral pleated filter cartridges

Details Apparatus for forming spiral pleated filter cartridges Apparatus for forming spiral pleated filter cartridges

1999-02-02

2000-04-11

Sipos, John

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493941, 2104934, B31F 100

Patent

active

060482982

ABSTRACT:
A method is disclosed for forming a filter cartridge which includes the steps of providing a cylindrical filter element having a plurality of radially extending longitudinal pleats, engaging an outer periphery of the cylindrical filter element along a substantial portion of the length thereof, and simultaneously moving the plurality of radially extending longitudinal pleats into a laid-over spiraled configuration along the entire length of the cylindrical filter element to form a spiral pleated filter element. An apparatus is also disclosed for effectuating the disclosed method.

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PCT International Search Report dated Jun. 5, 1998 with Annex.
Overlap Pleater--Chandler Worldwide Group, Inc.--Mar./Apr. 1993.

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