F - Mech Eng,Light,Heat,Weapons – 25 – C
Patent
F - Mech Eng,Light,Heat,Weapons
25
C
F25C 1/18 (2006.01) F25C 1/00 (2006.01)
Patent
CA 2151080
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.
Ben-Oliel Susan M. M.
Nakayama Engineering Co. Ltd.
LandOfFree
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