Method of manufacturing colored ice and apparatus therefor
AssigneeNakayama Engineering Company Limited
InventorJunya Nakayama
Life of this patent
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Abstract
A method of manufacturing colored ice comprises dissolving coloring agent in source liquid to form colored source liquid, placing the colored source liquid in a pressure resistant housing, said housing comprising a pressure regulating means and then while freezing the colored source liquid, using the pressure regulating means to vary levels of direct high and low pressure to the colored source liquid such that at high pressure level intervals, there is contact between the pressure regulating means and the surface of the colored source liquid.
Claims13
A method of manufacturing colored ice which comprises:
- dissolving coloring agent in source liquid to form colored source liquid;
- placing colored source liquid in a pressure resistant housing, said housing comprising an inflatable, resilient pouch which separates a pressurizing agent from direct contact with the colored source liquid;
- and
- during freezing of the colored source liquid, injecting the pressurizing agent into said pouch and varying the level of high and low pressure on the colored source liquid, such that at levels of high pressure, there is contact between said pouch and the surface of the colored liquid.
An apparatus for the manufacture of colored ice which comprises:
- a pressure-resistant housing comprising a chamber for colored source liquid and a sealable lid;
- an inflatable, resilient pouch which is capable of:
- separating a pressurizing agent from the source liquid when the liquid is in place;
- varying the pressure level in the chamber between high and low levels;
- and
- directly contacting the surface of the liquid when the liquid is in the chamber;
- a means for injecting pressurizing agent into said pouch;
- and
- a freezing means.
Dependencies are inferred from the claim text.