초록

A self-supporting pocket fluid filter wherein layers of pocket forming filter medium are laminated with open-faced filter netting of sufficient rigidity to provide for self-supporting of completed filter pocket members without additional support mechanisms between or inside extended pockets.

대표청구항 ▼

[ The invention claimed is:] [1.] In a pocket fluid filter including at least one pair of facing longitudinally extending pocket forming filter medium side wall members joined along the longitudinally extending opposed edges thereof and open at at least one end to provide an open pocket end for pass

[ The invention claimed is:] [1.] In a pocket fluid filter including at least one pair of facing longitudinally extending pocket forming filter medium side wall members joined along the longitudinally extending opposed edges thereof and open at at least one end to provide an open pocket end for passage of fluid therethrough and through said filter medium side wall members, an integral self-supporting pocket filter comprising: at least one layer of pocket-forming filter medium; and, at least one layer of sufficiently rigid pocket supporting flow-through netting, said netting having sufficient stiffness and sufficient rigidity to support a preselected pocket weight per given unit area and being conformably laminated and facingly bonded to at least one face of said pocket-forming filter medium to provide self-support of said filter medium in pocket shape in a fluid stream to be treated.