Calibration container

Details Calibration container Calibration container

1989-07-12

1990-05-29

Raevis, Robert R.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73427, G01F 2500

Patent

active

049285149

ABSTRACT:
A calibration container for accurately measuring a desired quantity of a selected liquid, the calibration container comprising an open-top vessel made of a substantially transparent material and having a neck portion extending vertically from a body portion thereof. Scale support ribs extend along opposite sides of the neck portion to slidably support a graduated indicator scale which has a zero indicator mark, the indicator scale attachable to the neck portion in a permanent location determined after aligning the zero indicator with a liquid meniscus formed in the neck portion and viewable through the neck portion.

REFERENCES:
patent: 258845 (1882-05-01), Young
patent: 684850 (1901-10-01), Nafis
patent: 3461728 (1969-08-01), Paoli
patent: 3880012 (1975-04-01), Shapcott
patent: 3905768 (1975-09-01), Hach
patent: 4033190 (1977-07-01), Hudspeth
Ellisco Company, "Test Measure" container, one page advertisement.

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