Process and device for dispensing a predetermined amount of a li

Details Process and device for dispensing a predetermined amount of a li Process and device for dispensing a predetermined amount of a li

1979-06-08

1980-10-07

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Processes

With material treatment

141 67, 141 82, 83 15, 219121L, 222146C, B65B 326

Patent

active

042262666

ABSTRACT:
The invention relates to a process and a device for dispensing a predetermined amount of a liquid substance into a vessel.
The device comprises a pipette (1) provided with a piston (5) for pumping of the liquid substance, a sleeve (19) for cooling the lower tube (2) of the pipette and means (23,24,25) for cutting the thread (40) of frozen substance leaving the calibrated tube when pressure is applied on the piston.
Application to measuring out of reagents in laboratory analyses.

REFERENCES:
patent: 4015440 (1972-04-01), Pietrucha et al.

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