Apparatus for pre-freezing substances of products intended to be

Refrigeration – Liquid contacting discrete commodity – With article conveyer or transporter

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Details

62380, 141 82, 141129, F25D 1702

Patent

active

040647072

ABSTRACT:
The freeze-drying of products, like foodstuffs or pharmaceuticals, and more particularly to a method and apparatus by which a plurality of containers is serially fed with a dosed amount of a first product after which the containers are passed in heat exchange relationship with a freezing bath and then further dosed amounts of different products are layered onto the firstly metered product and singularly pre-frozen, by passing through the same freezing bath.

REFERENCES:
patent: 1458991 (1923-06-01), Pique
patent: 2570746 (1951-10-01), Bablik
patent: 3718007 (1973-02-01), Randrup

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