Cooling process and tunnel

Details Cooling process and tunnel Cooling process and tunnel

1987-06-18

1988-07-19

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62374, 62380, 62224, F25D 1306

Patent

active

047576910

ABSTRACT:
Liquid carbon dioxide is injected through one end into the upper compartment (14) of the tunnel. The gaseous CO.sub.2 is circulated in the lower compartment (13) partly in a countercurrent manner and partly in a cocurrent manner relative to the objects (22) to be cooled, by a central fan (9). Application in the temporary hardening of products of rubber and plastics material and in the precise cooling of food products.

REFERENCES:
patent: 3345828 (1967-10-01), Klee et al.
patent: 3403527 (1968-10-01), Berreth et al.
patent: 3600901 (1971-08-01), Wagner
patent: 3892104 (1975-07-01), Klee et al.
patent: 4589264 (1986-05-01), Astrom

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