Suction tube device

Details Suction tube device Suction tube device

1991-03-15

1992-07-28

Shaver, Kevin P.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222382, 222464, 137590, B67D 540, B67D 560

Patent

active

051334844

ABSTRACT:
A liquid siphon for emptying containers such as drums includes a main suction pipe, of a relatively large diameter, and an auxiliary suction pipe, of a relatively small diameter, which auxiliary suction pipe is coextensive with the main suction pipe and extends slightly beyond the main suction pipe. At the location where the siphon is attached to a hose, a stopcock is provided which is used to close the main suction pipe when the siphon begins to draw air so that the auxiliary suction pipe along pulls liquid from the container. In this way residual liquid is removed from the container.

REFERENCES:
patent: 1287046 (1918-12-01), Knapp
patent: 2184025 (1939-12-01), Smith et al.
patent: 2983311 (1961-05-01), Anders
patent: 3234880 (1966-02-01), Hampton
patent: 3390698 (1968-07-01), Carmichael et al.
patent: 4114783 (1978-09-01), Wempe et al.
patent: 4124035 (1978-11-01), Rice
patent: 4548344 (1985-10-01), Hestehave et al.
patent: 4630759 (1986-12-01), Dawn
patent: 4865232 (1989-09-01), Cassady, Jr. et al.

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