Filter for a wet/dry vacuum cleaner for wet material collection

Details Filter for a wet/dry vacuum cleaner for wet material collection Filter for a wet/dry vacuum cleaner for wet material collection

1996-08-21

1998-07-21

Fortuna, Ana

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210654, 210450, 2104161, 210474, 96 6, 95 46, 55215, 55421, 55DIG3, B01D 6100

Patent

active

057830860

ABSTRACT:
The present invention is an improved method of employing a wet/dry vacuum cleaner for wet material pick-up. By employing a hydrophobic and air permeable filter material, such as an expanded polytetrafluoroethylene (PTFE), with a tight gasket around its edge in place of a conventional wet/dry vacuum filter, it has been determined that the filter can be retained in place at all times during operation, regardless of the material being collected.

REFERENCES:
patent: 3775951 (1973-12-01), Eicholz et al.
patent: 3953566 (1976-04-01), Gore
patent: 3962153 (1976-06-01), Gore
patent: 4096227 (1978-06-01), Gore
patent: 4187390 (1980-02-01), Gore
patent: 4465485 (1984-08-01), Kashmer et al.
patent: 4831685 (1989-05-01), Bosyj et al.
patent: 5334174 (1994-08-01), Street
patent: 5458586 (1995-10-01), Adiletta
International Search Report for PCT/US96/13946.
(3) "Sears/Craftsman(R) 16-Gallon Ful Blowing Professional Wet/Dry Vac," Model No. 113.178492 16-Gallon Double Insulated Wet/Dry Vac, sold by Sears, Roebuck and Co., Chicago, IL 60684, Aug. 1991.
Literature: (1) "Genie(R) Wet/Dry Vas Owner Manual," Copyright 1994, The Genie Corp.
(2) "Shop-Vac(R) Wet/Dry Vacuum, Model 800E, 10,12 Gallon Wet/Dry Super Performance Owner's Manual," Shop-Vac Corporation, Williamsport, PA 17701, Copyright 1993.

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