B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/106
B01D 46/10 (2006.01)
Patent
CA 1162862
Abstract of the Invention An improved air filter panel of the type having a fibrous filter batt and a circumferential support frame surrounding the batt, the frame having an axially extending frame element, the frame element being folded transversely to form frame sidewalls, the sides of the batt being connected to the sidewalls of the frame, the ends of the folded frame element being fastened together to secure the batt in place within the surrounding sidewalls, the improvement comprising an improved frame end fastening means, the means comprising a tab connected at a fixed end thereof to the sidewall of the support frame adjacent one end of the frame element, the tab having a neck portion at the fixed end and a head portion adjacent a free end thereof, the head portion being connected along a portion of a following edge thereof to the neck portion, the remaining unconnected portion of the following edge providing a flange portion, and a slot in the sidewall adjacent the end of the frame element opposing the tabbed end, the slot being adapted to receive the head of the tab, whereby when the free end of the tab is inserted in the slot, the ends of the folded frame are held together by the tab, and the flange portion of the following edge of the head abuts against an edge of the slot to restrain the tab from being removed from the slot.
390838
Facet Enterprises Inc.
Smart & Biggar
LandOfFree
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