Fluent material handling – with receiver or receiver coacting mea – Fluent charge impelled or fluid current conveyed into receiver
Patent
1982-06-04
1984-07-24
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Fluent charge impelled or fluid current conveyed into receiver
141286, 55159, 7386402, 422100, 435287, B65B 314
Patent
active
044613288
ABSTRACT:
A pipette device comprises one or more pipette tubes. Hydrophobic filter paper secured to each tube limits the upward movement of an aqueous liquid in each tube to provide for a predetermined amount of liquid in each tube. The device can be adapted to be connected to a manifold for alternately applying a vacuum and pressure to the pipette tubes through the filter paper. Alternatively it may have, as an integral part thereof, a manifold for the same purpose.
REFERENCES:
patent: 3741732 (1973-06-01), Stanfield
patent: 3864979 (1975-02-01), Ayres
patent: 3921460 (1975-11-01), Schmidlin
patent: 4267729 (1981-05-01), Eddelman et al.
A. Earley John F.
Bell, Jr. Houston S.
Drummond Scientific Company
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