Dust filter insert arrangement for filter materials of poor mechanical strength - in which each filter core incorporates support frame, filter sock and core cap which is spray joined to end of sock and frame

摘要

A dust filter incorporates a support element upon which numerous filter cores are secured. The novelty is that each of the filter cores incorporates a support frame, a filter sock and a core cap, which is spray-joined to the end of the filter sock and the frame end. USE/ADVANTAGE - The arrangement permits the choice of material for the filter core irrespective of the mechanical strength of the material.