Yoghurt-making machine

Details Yoghurt-making machine Yoghurt-making machine

1974-09-06

1977-02-22

Bartis, A

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

99453, 1262735, 165104S, 219387, 219441, 219530, 426 34, H05B 102, A23C 302, F24C 1534

Patent

active

040093689

ABSTRACT:
A yoghurt-making machine comprises an enclosure inside which a receptacle containing milk pots is disposed above a basin. The space between the receptacle and basis is partly filled with a fusible material, such as commercial paraffin wax which has a cooling curve exhibiting a solidification plateau at a temperature near to the optimum temperature of yoghurt formation. A heating resistor attached to the basin is immersed in the fusible material which is thereby heated. The basin has a bottom defining with the enclosure a closed chamber completely separated from the fusible material. A temperature-limiting element is connected to the resistor and disposed so as to be responsive only to the air temperature within the chamber and is operable to terminate the heating of the fusible material when the temperature in the chamber is higher than the solidification plateau of the fusible material. The amount of the fusible material is sufficient for its solidification plateau to be maintained during subsequent cooling throughout the duration required for the formation of the yoghurt.

REFERENCES:
patent: 2006059 (1935-06-01), Rudorff
patent: 2187196 (1940-01-01), Douglass
patent: 3020383 (1962-02-01), Onishi et al.
patent: 3038058 (1962-06-01), Gordon
patent: 3110633 (1963-11-01), Bachmann
patent: 3264448 (1966-08-01), Lehmer
patent: 3400249 (1968-09-01), Mekjean et al.
patent: 3548930 (1970-12-01), Byrd
patent: 3569669 (1971-03-01), March
patent: 3764780 (1973-10-01), Ellis
patent: 3805018 (1974-04-01), Luong et al.
patent: 3994039 (1966-12-01), Ogden

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