Raymond G Fink

US Patent:

42026768, May 13, 1980

Filed:

Jul 31, 1978

Appl. No.:

5/929834

Inventors:

Michael H. Pelosi - Broomall PA
Raymond Fink - Broomall PA

International Classification:

B01D 5110
A61L 900
A61B 1902

US Classification:

55269

Abstract:

A safety enclosure is disclosed which provides a portable self-contained ultra clean enclosed space environment, with easy access to the interior of the enclosure and which can be operated at relative positive, zero or negative pressure, depending on the usage conditions required so as to provide biological protection for an animal handler or investigator, to reduce contamination of the material inside the enclosure, and to prevent escape of noxious material to the outside.

US Patent:

39894916, Nov 2, 1976

Filed:

Aug 18, 1975

Appl. No.:

5/605521

Inventors:

Michael E. Pelosi - Broomall PA
Raymond Fink - Broomall PA

International Classification:

B01D 4600

US Classification:

55502

Abstract:

A mounting for gaseous fluid filters is disclosed particularly suited for filters of the type which include a rigid box frame within which the filter is carried, the frame having opposite faces open for entrance and exit of the gaseous fluid to be filtered, the mounting including an enclosure with supporting tracks therein for the filter frame, the filter being detachably connected at its upper end to the duct system by a flexible leakproof fabric connection and being sealed at the lower end against leakage.