Pipette

Details Pipette Pipette

1976-03-02

1984-04-17

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

222209, B01L 302

Patent

active

RE0315559

ABSTRACT:
A pipette which is formed within a mold in which a raw material of a given tubing thickness is employed, the tubing to be of a plastic material, the tubing placed within the mold and caused to be raised in temperature until pliable, the plastic tube caused to be expanded against the surface of the mold, the drawing tube and the container section of the pipette being formed of a thickness to make such substantially rigid, an enlarged bulbous section connected to the container section, the thickness of the bulbous section to be substantially thinner than the container section and the drawing tube section whereby the bulbous portion may be readily manually compressed and then permitted to retract back to its at rest state causing a drawing of liquid through the drawing tube section into the container section.

REFERENCES:
patent: 1533753 (1925-04-01), Munch
patent: 3215171 (1965-11-01), Mitchell
patent: 3538211 (1970-11-01), Adomaitis
patent: 3938392 (1976-02-01), Rodrigues
Nalgene Labware Catalog 1970, p. 31 (copy submitted by protestor "Labcon").

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