Importance

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Abstract

Disclosed embodiments include apparatuses for compressing dry ice. In an illustrative embodiment, an apparatus for compressing dry ice includes: a hollow cylinder; a post disposed coaxially in the cylinder; a piston defining an opening therein and being slidably disposed in the cylinder, the opening slidably receiving the post therein; a biasing device operatively coupled to the piston; an inlet port connectable to a source of liquid carbon dioxide and configured to introduce liquid carbon dioxide into the cylinder, the inlet port being further configured to expand liquid carbon dioxide to dry ice and to gaseous carbon dioxide; and an openably closable lid positionable among a first closed position configured to vent gaseous carbon dioxide from the cylinder, a second closed position configured to leakably close the cylinder to permit carbon dioxide flakes to be compressed in the cylinder, and an open position.

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First Claim