Improved method for sealing the edge of a filter medium to a...

Details Improved method for sealing the edge of a filter medium to a... Improved method for sealing the edge of a filter medium to a...

B - Operations, Transporting

01

D

B01D 29/07 (2006.01) B01D 29/01 (2006.01) B01D 39/08 (2006.01) B01D 46/52 (2006.01)

Patent

CA 2182209

Improved filter assemblies are provided having a pleated filter medium (23) attached to a support frame (20) utilizing an improved manufacturing method employing a welding process to seal the pleated edges of the filter medium to an inwardly protruding sealing means (22) provided on the frame (20) around the inside perimeter thereof, forming a final filter assembly exhibiting an essentially leak-proof edge seal.

L'invention concerne des ensembles filtres améliorés comprenant un media filtrant (23) fixé à un cadre de support (20) pour lesquels un procédé de fabrication amélioré consiste à utiliser un procédé de soudage pour sceller les bords plissés du media filtrant à un moyen de scellement (22), saillant vers l'intérieur, prévu sur le périmètre intérieur du cadre et à former un ensemble filtre fini dont les bords sont soudés de manière étanche contre les fuites.

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