Plastic and nonmetallic article shaping or treating: processes – With step of cooling to a temperature of zero degrees c. or...
Patent
1989-04-03
1990-11-20
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With step of cooling to a temperature of zero degrees c. or...
62 66, 62340, 249 55, 264313, 264DIG30, 425442, 425DIG44, F25C 122, B29C 3940
Patent
active
049717375
ABSTRACT:
Method for producing an ice scupture employing the steps of forming rigid metallic mold halves from the objects, said mold halves having recesses which collectively define the object; yieldably joining said rigid mold halves together at discrete locations; filling said mold halves with a freezable liquid; chilling the assembly sufficient to freeze the freezable liquid; allowing the mold halves to become differentially displaced from one another as the freezable liquid expands; disassembling said mold halves from one another to remove the ice sculpture therefrom peeling away said rubber mold from sculpture. In another embodiment, the rubber mold is eliminated and replaced by a sealing gasket. Additives may be employed to add color and/or obtain clarity.
REFERENCES:
patent: 2939299 (1960-06-01), Sherbloom
patent: 4206899 (1980-06-01), Whitehead
patent: 4669271 (1987-06-01), Noel
Infanti Chair Manufacturing Corp.
Thurlow Jeffery
Vargot Mathieu
Weinstein Louis
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