B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
B03C 3/28 (2006.01) B01D 39/16 (2006.01)
Patent
CA 2078661
Filter means is disclosed comprising the combination of a layer of fitter material having electrostatic properties and a layer of filter medium without electrostatic properties. The medium is a lofted material arranged to retain particles in the sub-micron and lower micron ranges and, in use, is located upstream of the material.
L'invention a pour objet un filtre comprenant la combinaison d'une couche de matière filtrante possédant des propriétés électrostatiques et d'une couche d'un moyen filtrant sans propriétés électrostatiques. Ce moyen est constitué d'une matière conçue pour retenir des particules d'une gamme inférieure au micron et, en utilisation, se trouve placé en amont de la matière.
Engvall Bo
Hoppitt Bernard
Interfilta Limited
Robic
LandOfFree
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