Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Patent
1994-12-23
1996-07-23
Drodge, Joseph W.
Liquid purification or separation
Filter
Within flow line or flow line connected close casing
210171, 210460, 210461, B01D 2500
Patent
active
055386334
ABSTRACT:
A filter apparatus includes a box-shaped casing formed by connecting peripheral edges of first and second casing members each having a concavity and a filter composed of first and second filter media placed one upon the other and having respective peripheries held between substantially the entire peripheral edges of the first and second casing members such that the filter assumes the shape of a bag when disposed in the casing. The casing has a suction port and an exhaust port each communicating between the interior and the exterior of the casing. The filter communicates with the exterior of the apparatus through the suction or exhaust port of the casing. The first and second filter media have respective through holes and are closely adhered together at peripheral portions of the respective through holes.
REFERENCES:
patent: 3014592 (1961-12-01), Stephens
patent: 4113627 (1978-09-01), Leason
patent: 4250039 (1981-02-01), Cozzi et al.
patent: 4402827 (1983-09-01), Joseph
patent: 4414172 (1983-11-01), Leason
patent: 4450081 (1984-05-01), Anderson et al.
patent: 4826598 (1989-05-01), Cain
patent: 5049274 (1991-09-01), Leason et al.
Katagiri Keiichi
Kitajima Kyoji
Muramatsu Naomi
Nogami Shunichi
Yamashita Hiroaki
Drodge Joseph W.
Honda Giken Kogyo Kabushiki Kaisha
Toyo Roki Seizo Kabushikikaisha
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