| 摘要 |
An installation for the making of food products, particularly expanded food products, such as ice cream. There is a freezing system to cool and homogenize the product which is then transported to a packing system. The freezing system comprises a refrigerated cylindrical chamber with agitating means mounted for rotation inside the cylinder. The agitating means comprises an Archimedes' screw fitted on its periphery with scraper knives aligned in the direction of the length of the screw and touching the internal surface of the double walled cylindrical chamber.
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