Liquid purification or separation – Filter – Resting on supporting receiver – e.g. – portable
Patent
1984-12-05
1987-07-07
Metz, Andrew H.
Liquid purification or separation
Filter
Resting on supporting receiver, e.g., portable
210782, 422104, 128760, B10D 2300
Patent
active
046785795
ABSTRACT:
A unitary disposable chamber and filter unit including a method for making same in which a support surface on the chamber has energy directors such that when ultrasonic energy is applied thereto the energy directors will become molten and bond a filter card to the support surface at spaced locations away from the point of discharge of the fluid through the filter card onto a microscopic slide or other surface for analysis.
REFERENCES:
patent: 4062781 (1977-12-01), Strauss et al.
patent: 4137573 (1979-06-01), Kroeger
patent: 4265762 (1981-05-01), Brenholt
patent: 4344562 (1982-08-01), Riichi
patent: 4357240 (1982-11-01), Mehra et al.
patent: 4391710 (1983-07-01), Gordon
patent: 4448207 (1984-05-01), Parrish
Cohen Sharon T.
Metz Andrew H.
Whale Scientific, Inc.
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