Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Patent
1984-03-23
1986-07-22
Fisher, Richard V.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
210441, 210446, 210927, B01D 3514
Patent
active
046018204
ABSTRACT:
An improved low-profile inline filter unit comprising a housing unit and filter frame. The filter frame being adapted to fit substantially within the housing so that the filter frame may be sonically welded to the housing unit. The housing unit and filter frame cooperating to provide a visible indicator for determining whether an internal hermetic seal is present between the housing unit and filter frame.
REFERENCES:
patent: 3905905 (1975-09-01), O'Leary et al.
patent: 3932153 (1976-01-01), Byrns
patent: 3954625 (1976-05-01), Michalski
patent: 3970084 (1976-07-01), Raines et al.
patent: 4013072 (1977-03-01), Jess
patent: 4331491 (1982-05-01), Shaw et al.
patent: 4391662 (1983-07-01), Mauthe
patent: 4400277 (1983-08-01), Leason
patent: 4450078 (1984-05-01), Walker et al.
patent: 4453927 (1984-06-01), Sinko
Filtertek Inc.
Fisher Richard V.
Millard Wanda L.
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