Apparatus for refrigerating protein materials

Refrigeration – Means producing shaped or modified congealed product – Freezing surface mounted for movement during freezing

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Details

62381, 165 89, 426517, 426524, A23G 900

Patent

active

043376274

ABSTRACT:
In a process for refrigerating protein materials, the material is prepared as a viscous paste at a relatively hot temperature and applied to a refrigerated heat transfer surface on a rotating drum, the temperatures of the protein material and the drum surface having a predetermined differential to cause congealed or frozen liquid at the interface between the protein material and drum surface to initially melt and immediately thereafter congeal or freeze in order to cause adhesion of the protein material to the surface. The protein material is compressed against the drum surface to improve heat transfer characteristics and subsequently removed in a suitably refrigerated or frozen condition. Initial heating may be extended to render excessive fat or to reduce bacterial content. Opposite surfaces of the sheet of material may also be contacted by first and second refrigerated heat transfer surfaces either simultaneously or in successive order. The temperature of an application roller for applying the viscous paste to the drum surface is preferably controlled to prevent sticking of the material to the application roller.

REFERENCES:
patent: 2352210 (1944-06-01), Kraft
patent: 2397446 (1946-03-01), Tansley
patent: 2513898 (1950-07-01), Switzer
patent: 3116787 (1964-01-01), Campbell
patent: 3182587 (1965-05-01), Woodhall
patent: 3402568 (1968-09-01), Kamin et al.
patent: 3436927 (1969-04-01), Gruber
patent: 3774409 (1973-11-01), Persson et al.
patent: 3887719 (1975-06-01), Miller
patent: 4107938 (1978-08-01), Sollich

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