Dispenser device and a method for rinsing the dispenser device
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United States of America Patent
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Oct 6, 2020
Grant Date -
Nov 16, 2017
app pub date -
Nov 11, 2015
filing date -
Dec 10, 2014
priority date (Note) -
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Abstract
A dispenser device includes: a valve system, a dispensing head for dispensing liquid and connected with a transfer tube to the valve system, a dispensing pump connected to the valve system, a first inlet port for conducting rinse liquid to the valve system, and a second inlet port for conducting rinse gas to the valve system. The device includes control equipment for operating the valve system so that the flow via the transfer tube towards the dispensing head includes both the rinse liquid and the rinse gas. The rinse gas is capable of collecting gas bubbles formed on the inner walls of the transfer tube to larger amounts of gas. Thus, the rinse gas facilitates the removal of the gas bubbles with the aid of the rinse liquid.
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