Refrigeration – Processes – Congealing flowable material – e.g. – ice making
Patent
1994-03-09
1995-07-11
Tapolcai, William E.
Refrigeration
Processes
Congealing flowable material, e.g., ice making
62 1, F25C 100
Patent
active
054310245
ABSTRACT:
A pair of ice bodies each have a planar surface which are warmed to melt the surface. Then at least one of the surfaces is provided with a cavity engendered by the application of a dimension controlled heat source, suitably by engraving with a heated relief formed die-like tool having a metal engraving element of a given design. The engraving element is warmed above the ice melting temperature and brought into contact with a planar surface of the surface of the ice body so that the element melts away portions of the ice body in the area of the element and the melt water is simultaneously removed by gravity, a vacuum or by a blast of cold air. When the desired engraving depth has been attained, the planar surfaces of the ice bodies to be mated are wetted by warming and are pressed together and if needed, cooled to freeze the interface producing an assembled ice body with an internal engraving and a transparent seam. Both bodies can be engraved in mirror image fashion with the engravings aligned and mated to form a single engraving in the composite body. The engraving brilliantly stands out from its surroundings in a drink medium because of the different light refractive indices.
REFERENCES:
patent: 2514942 (1950-07-01), Eaton
patent: 2703964 (1955-03-01), Ashley
patent: 3640081 (1972-02-01), Hadden
patent: 4550575 (1985-11-01), DeGaynor
patent: 4625518 (1986-12-01), Freedman
patent: 4990169 (1991-02-01), Broadbent
patent: 5035911 (1991-07-01), Somura
Behr Omri M.
McDonald Matthew J.
Tapolcai William E.
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