Filter device for a minute volume of liquid

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent

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Details

2103211, 2104332, 21050023, B01D 1301

Patent

active

046907548

ABSTRACT:
A filter device for a minute volume of liquid, usable under a centrifugal force or under pressure, comprising a cylindrical member and a hollow thread filter having an open lower end and housed in said cylindrical member to form an annular space for containing a sample liquid around the filter, with the lower part of the hollow thread filter liquid-tightly bonded to the inside wall of the lower part of the cylindrical member and with the upper end of the hollow thread filter sealed.

REFERENCES:
patent: 4242203 (1980-12-01), Amicel et al.
patent: 4267053 (1981-05-01), Hashino et al.

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