Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Sample mechanical transport means in or for automated...
Patent
1993-12-03
1995-07-25
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Sample mechanical transport means in or for automated...
422 58, 435291, 436 1, G01N 3122
Patent
active
054359716
ABSTRACT:
A sterilization biological test pack includes a first plurality of apertured planar sheets of substantially porous paper disposed to form a stack. Each of the sheets defines a generally centrally disposed aperture, the apertures operatively defining together a single cavity extending through the stack. Second and third pluralities of unapertured planar sheets of substantially porous paper are disposed on opposed sides of the stack and aligned therewith to close the stack cavity at either end thereof and define a chamber about the cavity configured and dimensioned to receive a biological indicator. The first, second and third pluralities together define a sheet pad. A tray formed of unapertured gas-inhibiting material, has a base coextensive and aligned with the exposed side of the third plurality and four sidewalls transverse to the base together substantially covering the exposed edges of the pad. The tray and the pad together define an assembly. An organizer is disposed all about the periphery of the assembly to maintain the sheets and the tray in a predetermined spatial relationship while permitting the passage of steam and air to and from the assembly.
REFERENCES:
patent: 4579715 (1986-04-01), Bruso
patent: 4596696 (1986-06-01), Scoville, Jr.
patent: 4636472 (1987-01-01), Bruso
patent: 4828797 (1989-05-01), Zwarun et al.
patent: 4863867 (1989-09-01), Joyce et al.
patent: 4918003 (1990-04-01), Macaro et al.
Housel James C.
Ludlow Jan M.
Propper Manufacturing Co. Inc.
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