Bag Type Filter Device

Author:  Raymond M. Leleaert
Source:  US Patent 3,853,509
Doc ID:  1974007
Year of Publication:  1974
Abstract:  
A filter device formed of filter tubes each of which is composed fo a filter bag disposed between inner and outer wire cages with the longitudinally extending wires of the inner cage extending beyond some of the longiudinal wires of the outer cage to engage the filter bag therebetween a configured relation.