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US 4,056,374 AGranted
Tubular gas filter
AssigneeAmerican Air Filter Company, Inc.
InventorDennis L. Hixenbaugh
Life of this patent
Estimating the term…
Abstract
An improved tubular filter bag of two piece construction, one piece being coated with a flexible and abrasive resistant coating, the coated piece being in communication with a flow-through inlet for absorbing the impact of the bag during cleaning. Also disposed at approximately the maximum impact point of the filter bag is a support member to restrict flexing of the bag during cleaning.
Claims9
A filter bag for removing particles from a dirty gas stream comprising:
- a first tubular flexible gas filter member having at least one opening in one end thereof, and an opposed end having means for attaching to a bag support means;
- a second tubular flexible dust impervious fabric member having a cross-sectional area substantially the same as said first tubular member and having an opening in each end thereof, said second tubular member having a flexible and abrasive resistant coating thereon, one end being connected to said one end of said first tubular member, and, the other end including means for attaching to a flow inlet means;
- and, one motion restricting ring member attached to one of said tubular members remote from said flow inlet means disposed adjacent to the connection between said first tubular member and said second tubular member maintaining said connection in a substantially non-flexing position.
Dependencies are inferred from the claim text.