Process and installation for cooling a powder by means of a refr

Refrigeration – Processes – Treating an article

Patent

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62 70, 62373, 62514R, F25D 1702

Patent

active

046191135

ABSTRACT:
A device for injecting a liquefied refrigerating fluid directly into a mass of detergent powder within a hopper the device being connected to a tank storing this fluid under pressure.

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patent: 4250714 (1981-02-01), Covy
patent: 4348867 (1982-09-01), Musschoot
patent: 4479362 (1984-10-01), McWhorter et al.

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