Gathered filter media for an air filter and method of making...

Details Gathered filter media for an air filter and method of making... Gathered filter media for an air filter and method of making...

B - Operations, Transporting

01

D

B01D 46/52 (2006.01)

Patent

CA 2585741

A filter media including a gathered sheet of porous filter material, is provided, together with an apparatus and method for fabricating such a gathered sheet of porous filter material. An improved filter apparatus incorporating such gathered porous filter material is also provided. By gathering the porous filter material, rather than forming convolutions through corrugating or pleating, as was done in the past, a desirable convoluted shape is achieved with little or no compression of the filter media.

L'invention concerne un support de filtre comprenant une feuille froncée de matière de filtre poreuse ainsi qu'un appareil et une méthode pour fabriquer une telle feuille froncée de matière de filtre poreuse. L'invention concerne un appareil de filtre perfectionné comprenant la matière de filtre poreuse susmentionnée. Le fronçage de la matière de filtre poreuse permet d'obtenir une forme convolutée présentant peu ou pas de compression du support de filtre, contrairement à la formation de convolutions par ondulation ou par plissage des méthodes classiques.

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