Valve attachment, filling device, filling assembly, and method for filling a container with liquid and draining said container of liquid
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United States of America Patent
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Oct 10, 2017
Grant Date -
May 26, 2016
app pub date -
Jun 11, 2014
filing date -
Jun 11, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a valve attachment (2) for filling at least one container (1, 1′) with a liquid and draining the at least one container of said liquid, which valve attachment can be tightly attached to the container (1, 1′) by means of a bottom side. The valve attachment (2) has a first and a second valve (5, 6), which each have an annular valve seat (7, 8) and each have an annular closing part (9, 10) corresponding thereto, wherein the closing parts (9, 10) are aligned with each other and are designed to surround a specified tubular element (3) in such a way that an annular gap (7′, 8′) is formed. The first valve seat (7) is stationary and the second valve seat (8) can be moved in a valve longitudinal direction. The closing parts (9, 10) are arranged on a common carrier (11) that can be moved along the valve longitudinal axis. The valve attachment (2) has at least three construction units that are separate from each other, wherein a first construction unit (21′), which is arranged at an end of the valve attachment (2) facing the container (1, 1′) to be filled, comprises a first housing part (21) and the valve seat (7) for the valve (5), which valve seat is comprised by the first housing part. The second construction unit (22′), which is arranged at an end of the valve attachment (2) facing away from the container (1, 1′) to be filled, comprises a second housing part (22) and the valve seat (8) for the valve (6). The third construction unit (23′) comprises the closing parts (9, 10) and the carrier (11). The construction units (21′, 22′, 23′) can be moved in relation to each other in the direction of the valve longitudinal axis. The invention further relates to a filling device that uses the valve attachment (2) according to the invention, a filling assembly, and a filling method and a draining method in which the device according to the invention is used.
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