Multiwell filter plate vacuum manifold assembly

Details Multiwell filter plate vacuum manifold assembly Multiwell filter plate vacuum manifold assembly

1988-12-05

1990-05-22

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

436178, 210341, 210406, 2104161, 210455, 210474, 210477, 435300, 435301, G01N 114

Patent

active

049276042

ABSTRACT:
A filtration system for handling an array of filter wells which are open at the top and closed by a filter membrane at the bottom. The system includes a manifold chamber defined by side and bottom walls and having a support for the wells which carries the filter membranes above the bottom walls so that filtrate may be drawn through the membranes. A vacuum fitting is connected to the chamber so that a low pressure source may be applied thereto, and a sealing sheet extends over the wells and having holes aligned with the open tops of the wells so that when the low pressure is applied to the chamber, filtrate may be drawn through the membrane.

REFERENCES:
patent: 3990852 (1976-11-01), Piazzi et al.
patent: 4090850 (1978-05-01), Chen et al.
patent: 4154795 (1979-05-01), Thorne
patent: 4294931 (1981-10-01), Levin et al.
patent: 4493815 (1985-01-01), Fernwood et al.
patent: 4526690 (1985-07-01), Kiovsky et al.
patent: 4797259 (1989-01-01), Matkovich et al.

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