Refrigeration – Consumable products produced by cooling
Patent
1994-06-16
1996-07-16
Bennett, Henry A.
Refrigeration
Consumable products produced by cooling
62308, F25C 118
Patent
active
055355927
ABSTRACT:
The present invention relates to a method and apparatus for forming a drinking vessel which is substantially free of contaminants. A consumable liquid is added to a container. The liquid is stirred while freezing the liquid allowing contaminants to flow towards the center of the liquid. A layer of ice forms on the inside of the container which is substantially free of contaminants to form the drinking vessel. In one embodiment, gas is bubbled into the liquid for stirring the liquid. Alternatively, a propeller can be used to agitate the liquid.
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Bennett Henry A.
Doerrler William C.
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