B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/83
B01D 46/02 (2006.01) B01D 46/06 (2006.01)
Patent
CA 1089378
ABSTRACT OF THE DISCLOSURE Rectangular frame for suspending a filter element in a cassette is made of U-shaped channels open at the periphery of the frame. The filter element includes a collar complementary with the frame, the collar including four sleeves extending almost the entire length of the respective sides of the collar. Longer sides of the channels are provided with longitudinal flanges reducing the size of opening of the respective channel. Two L-shaped locking bars are arranged to engage the collar sleeves such that one,longer leg of the respective bar passes through the respective longer sleeve of the collar and through the longer channel, said flanges of the channel preventing the sleeve surrounded leg of the locking bar from escaping from the channel. The other, shorter leg of the bar releasably presses adjacent shorter sleeve to turn same inwardly into the opening of the shorter channel of the frame, without passing through the shorter sleeve. The two L-shaped locking bars thus releasably secure the filter element frame. The invention facilitates replacement of filter elements.
285753
Andersson Rune
Berglund Svante
Aktiebolaget Svenska Flaktfabriken
Gowling Lafleur Henderson Llp
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