Automatic ice making machine

Details Automatic ice making machine Automatic ice making machine

2004-12-06

2008-11-04

Tapolcai, William E (Department: 3744)

Refrigeration

Means producing shaped or modified congealed product

Thawing means

C249S078000

Reexamination Certificate

active

07444829

ABSTRACT:
The peel off between an ice making plate and an insulating layer or between the insulating layer and heating means is prevented so that an ice making operation can be performed efficiently. Also, a metal plate is insulated from the heating means reliably.An evaporation pipe14and electric heaters H1to HN are provided in an ice making member11. A coolant is circulatingly supplied through the evaporation pipe14so as to cool the ice making member11and ice making water is supplied to the ice making member11so as to form an ice block M during the ice making operation. During the deicing operation, heat is generated in the heaters H1to HN by applying current so that the ice block M is removed from the ice making member11by melting. The ice making member11, in a state that an insulating layer12blies between a metal plate12ato which the evaporation pipe14is fixed and the heaters H1to HN, is formed by bonding the metal plate12awith the insulating layer12b, and the insulating layer12bwith each of the heaters H1to HN by thermocompression. Also, in addition to thermocompression bonding, the external outline of the heating means (H1to HN) may be located inside the insulating layer12b.

REFERENCES:
patent: 1852064 (1932-04-01), Rosenberg
patent: 1977608 (1934-10-01), Blystone
patent: 3220205 (1965-11-01), Breeding
patent: 3952539 (1976-04-01), Hanson et al.
patent: 5582754 (1996-12-01), Smith et al.
patent: 10-2644 (1998-01-01), None
patent: 2003-242732 (2003-08-01), None

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