Refrigeration – With comminutor or cutter
Patent
1975-01-23
1976-01-06
Flint, Jr., J. Howard
Refrigeration
With comminutor or cutter
62344, 249 72, 249 69, 249131, 249127, F25C 124, F25C 518
Patent
active
039303764
ABSTRACT:
A pair of diametrically opposed protuberances, comprising inwardly projecting bumps, extend from the otherwise smooth surface of opposite corners of adjoining side walls of the generally cubical pockets in an ice cube tray. These protruberances, define stress concentration areas at the corners of the frozen cubes which, when the plastic tray is twisted to release the cubes therefrom, cause the cubes to fracture and alter their configuration to the extent that they are prevented, either because of their enlarged outward dimensions or because of ice particles that have flaked therefrom and are in an interferring position, from being reseated in the tray in the as-molded position. Thus, each cube remains elevated from its original position with the side walls of each cube spaced somewhat from the side walls of the mold for relatively easy individual removal.
REFERENCES:
patent: 2433211 (1947-12-01), Gits
patent: 2463947 (1949-03-01), Buchanan
patent: 2481525 (1949-09-01), Mott
patent: 2496331 (1950-02-01), Buchanan
patent: 2799998 (1957-07-01), Pappas
patent: 3033008 (1962-05-01), Davis
patent: 3170308 (1965-02-01), Cucuzza
patent: 3386698 (1968-06-01), Albright
patent: 3844525 (1974-10-01), Parmett
Flint, Jr. J. Howard
White-Westinghouse Corporation
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