Canned food recyclable thermal simulator

Details Canned food recyclable thermal simulator Canned food recyclable thermal simulator

1974-08-21

1976-06-22

Queisser, Richard C.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73 52, 73352, 73432SD, 99342, G01K 108

Patent

active

039643131

ABSTRACT:
A method of measuring internal temperatures of canned foods under actual operating conditions by placing recyclable thermal simulators in each batch of canned foods during the actual processing. A recyclable thermal simulator device having the same thermal characteristics as the particular canned food being simulated. A method for manufacturing recyclable thermal simulators by equipping a container substantially identical to those simulated with a suitable temperature indicator, filling the container with a porous, open-celled, sponge-like matrix material, uniformly distributing a liquid of a pre-determined specific gravity throughout the matrix material by means of a partial vacuum usually identical to that drawn on the canned food simulated and sealing the container. Matching the thermal characteristics of different canned foods is generally accomplished primarily by varying the matrix density, the specific gravity of the liquid, and the percentage of open cells in the matrix material and by employing identical containers and drawing the same partial vacuums used by the canned foods simulated.

REFERENCES:
patent: 3690175 (1972-09-01), Butts
patent: 3754465 (1973-08-01), Romito et al.
patent: 3769932 (1973-11-01), Romito et al.
patent: 3771351 (1973-11-01), Sacks et al.
patent: 3812716 (1974-05-01), McIntyre

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