Graduated pipette equipped with a lateral suctions squirt

Details Graduated pipette equipped with a lateral suctions squirt Graduated pipette equipped with a lateral suctions squirt

1976-02-17

1977-10-18

Myracle, Jerry W.

Measuring and testing

Measuring vessel

G01N 114

Patent

active

040540618

ABSTRACT:
Graduated pipette formed by a stem having an inner diameter of suitable size, while said stem is closed at the top and its lower end presents a beveled edge. The stem is equipped at a suitable height, with a lateral branch formed by a capillary tube with a rubber cap or bulb fixed thereto having a suitable configuration and size such as to delimit a bigger volume than the volume of the stem. The cap presents an inner volume sufficient to move an air mass which, with drawn liquid is enough to fill all of the stem portion below the branch.

REFERENCES:
patent: 553044 (1896-01-01), Sharples
patent: 2153105 (1939-04-01), Szecsi
patent: 2410552 (1946-11-01), Rosen
patent: 3039500 (1962-06-01), Goldberg

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