FREEZING DEVICE AND A METHOD USING THE SAME
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United States of America Patent
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Issued Date -
Jul 21, 2022
app pub date -
Jan 19, 2022
filing date -
Jan 21, 2021
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Abstract
The disclosure provides a freezing device for freezing a liquid mixture and a method using the same. The freezing device includes a container and a tray removably disposed in the container. The tray has a tray plate disposed above a container bottom wall and has a plurality of spaced-apart receptacles for receiving the liquid mixture. When liquid nitrogen is introduced into a region between the tray plate and a container bottom wall, the liquid mixture received in the receptacles is solidified by the liquid nitrogen and is formed into shaped solid coolant pieces.
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