Gas separation – Flexible or collapsible bag type – With securing or supporting means
Patent
1980-01-09
1981-09-22
Lacey, David L.
Gas separation
Flexible or collapsible bag type
With securing or supporting means
52653, B01D 4602, E04B 1343
Patent
active
042907900
ABSTRACT:
Filtering apparatus 1 comprises a generally cylindrical lattice frame 6, for supporting a filter bag 3, and an annular support member 13 from which extend rods 12 connected together by channel-shaped straps 14, 24 or 34. The technical problem is to provide a frame for a filter which is compact for transport to the erecting site yet quick and straight-forward to erect. Cut-outs 18 are formed in the side walls 14b of the straps 14, 24 or 34 and the support member 13 is fashioned from a flat strip of material. For transport the rods 12 are located in the cut-outs 18 and spot-welded to the straps 14, 24 or 34 and to support member 13 while the straps 14, 24 or 34 and the support member 13 are laid out flat; several such flat assemblages may then be stacked on one another. At the erecting site the support member 13 and straps 14, 24 or 34 are bent round into shape, the straps 14, 24 or 34 being bent in the region of each cut-out 18 so as to deform each cut-out 18 to retain the corresponding rod 12 therein.
REFERENCES:
patent: 1090312 (1914-03-01), Lachman
patent: 1096685 (1914-05-01), Cummings
patent: 1301259 (1919-04-01), Harris
patent: 3377783 (1968-04-01), Young
patent: 3747307 (1973-07-01), Peshina et al.
Kabushiki Kaisha Hosokawa Funtai Kogaku Kenkyusho
Lacey David L.
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