Non-metallic precision fluid transfer devices

Details Non-metallic precision fluid transfer devices Non-metallic precision fluid transfer devices

1993-08-30

1995-10-03

Kashnikow, Andres

Dispensing

Inspection devices

Graduated transparent container or trap

222386, B67D 538

Patent

active

054544912

ABSTRACT:
A device for delivering precisely measured, minute quantities of liquid has no metal parts which contact the liquid. The device employs a barrel defining member with a bore which receives a polymer coated glass or ceramic fiber which functions as a piston. Fluid is drawn into and discharged from the bore via a needle in the form of a polymer coated glass or ceramic capillary tube.

REFERENCES:
patent: 3153496 (1964-10-01), Johnson
patent: 3720354 (1973-03-01), Drummond et al.
patent: 3923207 (1975-12-01), Kyogoku
patent: 4662545 (1987-05-01), Kenney
patent: 4952209 (1990-08-01), Muhlbauer
patent: 5052588 (1991-10-01), Schlosser
patent: 5253942 (1993-10-01), Stokes

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