One-piece filter housing

Details One-piece filter housing One-piece filter housing

1996-07-17

1997-12-02

Bushey, C. Scott

Gas separation

With means securing or retaining separating media

Hinged or pivoted retainer or clamp on backing frame or in...

55495, 55DIG5, 55DIG31, B01D 3530

Patent

active

056931085

ABSTRACT:
A lightweight, self-supporting filter housing is disclosed. The housing is economically and simply manufactured by being die cut from flat sheet material to create (a) a plurality of panels serially interconnected at respective scored fold lines and (b) a pair of oppositely disposed holding-frame portions, each of which is interconnected at a scored fold line that is shared with one end of a respective one of the panels. When the sheet material is folded along the scored fold lines, it forms a structure with a tunnel-like passageway open at both ends, and the oppositely disposed holding-frame portions are positioned within the passageway to support the filter media element diagonally along the length of the tunnel-like passageway. The filter media is held in place and sealed within the housing by being pressed between the holding frames when the two outermost panels of the one-piece housing are fastened in superimposed alignment with each other. The housing itself forms the exterior dimensions of the operational filter unit; and it requires no other bracing for protecting the media during shipment, operation, insertion, or removal.

REFERENCES:
patent: 2138874 (1938-12-01), Myers
patent: 3447691 (1969-06-01), Andrews et al.
patent: 3778985 (1973-12-01), Daigle et al.
patent: 3938973 (1976-02-01), Kershaw
patent: 4086071 (1978-04-01), Champlin
patent: 5269824 (1993-12-01), Takita
patent: 5273564 (1993-12-01), Hill
patent: 5320655 (1994-06-01), Ernst

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