B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 27/06 (2006.01) B01D 29/07 (2006.01) B01D 29/11 (2006.01) B01D 29/21 (2006.01) B01D 46/52 (2006.01)
Patent
CA 2278936
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 (10) is also disclosed for effectuating the disclosed method.
Cette invention se rapporte à un procédé de fabrication d'une cartouche de filtre qui consiste à utiliser un élément filtrant cylindrique doté d'une pluralité de plis longitudinaux à extension radiale, en contact avec le pourtour externe du filtre cylindrique sur une partie importante de la longueur dudit filtre, et à déplacer simultanément la pluralité de plis longitudinaux à extension radiale de façon à former une structure spiralée à recouvrement sur toute la longueur de l'élément filtrant cylindrique afin de constituer un élément filtrant, plissé et spiralé. L'invention se rapporte également à un appareil (10) conçu pour la mise en oeuvre du procédé décrit ci-dessus.
Corey John A.
Paul C. Thomas
Cuno Incorporated
Ridout & Maybee Llp
LandOfFree
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