Dosing apparatus for an exact decanting of flowable liquids

Details Dosing apparatus for an exact decanting of flowable liquids Dosing apparatus for an exact decanting of flowable liquids

1990-08-24

1992-03-03

Shaver, Kevin P.

Dispensing

Supply containers with traps

With trap chamber cutoffs

222500, 2224815, 222453, G01F 1128

Patent

active

050924974

ABSTRACT:
A dosing apparatus for the decanting of exactly measured liquid volumes is equipped with a measuring or dosing spout. The spout is connectable to the liquid container. The spout has a through-bore in the form of a cylindrical bore in which a double piston is slidably received for a back and forth movement. Inlet flow passages and outlet flow passages are provided in the walls of the spout. A venting bore extends along the entire length of the spout and a venting hose connected to the venting bore reaches into the container for assuring a pressure equalization. The volume to be measured is determined by the diameter of the bore and by the spacing between two sections of the double piston less the volume of a piston rod interconnecting the two piston sections.

REFERENCES:
patent: 645706 (1900-03-01), Grant
patent: 2133679 (1938-10-01), Woeltjen
patent: 2248958 (1941-07-01), Christensen
patent: 2519479 (1950-08-01), Koukal
patent: 2532787 (1950-12-01), Romyns
patent: 3141585 (1964-07-01), Emmert
patent: 3556353 (1971-01-01), Echols
patent: 3658216 (1972-04-01), Schwartzman
patent: 3848774 (1974-12-01), Schimke
patent: 4273261 (1981-06-01), Krueger
patent: 4569463 (1986-02-01), Pellegrino
patent: 4582230 (1986-04-01), Vierkotter

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