B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
B67D 3/00 (2006.01) A61J 1/20 (2006.01) A61M 5/14 (2006.01) A61M 16/18 (2006.01) B65D 83/00 (2006.01)
Patent
CA 2110851
A device for preventing a "gas-lock" when a liquid is transferred by gravity from a first container to a second container and vice versa, each container having one aperture through which a fluid matter may flow and the apertures being connectable together by first connecting means provided with channels, the containers and channels when connected together defining a closed system filled with at least one liquid and at least one gas, a first of the channels essentially defining a transfer channel for the liquid and a second of the channels essentially defining a venting channel for the gas, each of the channels having opposite ends with one end thereof substantially positioned near a portion of the first container that is substantially close of the aperture of the first container. This device comprises a hollow casing defining a reservoir of given capacity and having a lower portion and a set of three openings, that is a first and a third openings substantially positioned at the lower portion of the casing and a second opening positioned near a bottom of the reservoir; second connecting means for connecting a corresponding end of the second channel with the second opening; a third channel having opposite ends, one end being positioned near a portion of the first container that is opposite to the aperture of the first container; third connecting means for connecting the opposite end of the third channel with the first opening; a check valve; fourth connecting means for connecting the check valve with respect to the third opening and for selectively preventing or allowing the liquid contained in the first container to pass through the third opening; the capacity of the reservoir being sufficient to collect when the first container is turned upside-down to have its third channel above the reservoir, all the liquid that may fill this third channel and allow inside the reservoir a free passage for the gas between the first and second openings. Also relates to an arrangement containing the device and a method use.
Carola Armand
Robic
Technimeca Medic (2002) Inc.
LandOfFree
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