Color-coded disposable-filter holder

Details Color-coded disposable-filter holder Color-coded disposable-filter holder

1990-09-25

1992-04-28

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422104, 403338, 210 94, 210446, 55503, 55510, B01L 1100

Patent

active

051087090

ABSTRACT:
The color coded disposable-filter holder 1 of the invention comprises of a first molded pane-like housing part 2 with an intake stub 3 and a second molded pane-like housing part 4 comprising a discharge stub 5. The two housing parts 2, 4 are rigidly joined in pressure-resistant and hermetic manner at their radially outer zones 7 pointing to each other while enclosing a planar filter 6. This disposable-filter holder is provided with a color coding consisting of a dyed plastic in the form of a prefabricated plastic ring or plastic clip 9 present in an annular groove 8 in the radially outer zone of the disposbale-filter holder.

REFERENCES:
patent: 2879207 (1959-03-01), Poitras
patent: 3932153 (1976-01-01), Byrns
patent: 4111807 (1978-09-01), Boomus et al.
patent: 4170056 (1979-10-01), Meyst et al.
patent: 4713900 (1987-12-01), Calloway, Jr. et al.
patent: 4829641 (1989-05-01), Williams
patent: 4874513 (1989-10-01), Chakraborty et al.
patent: 4986904 (1991-01-01), Bugar et al.

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