Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1978-04-10
1979-06-12
Camby, John J.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 4, 34 93, 426259, F26B 700
Patent
active
041576209
ABSTRACT:
A method of producing bleached dried fruit particularly bleached raisins, in which the fruit is supported in a porous layer upwardly spaced from the ground, the layer is overlaid with a film of plastic material which filters out visible light rays while transmitting infra red light rays, sulfur dioxide is passed upwardly through the layer, and the layer is exposed to sun light filtered by passage through the film to dry the fruit while overlaid with the sheet material.
REFERENCES:
patent: 401109 (1889-04-01), Baker
patent: 1218156 (1917-03-01), Andersen
patent: 1504108 (1924-08-01), Elspass
patent: 1556865 (1925-10-01), Muller
patent: 2648605 (1953-08-01), Aliotti
patent: 4069593 (1978-01-01), Huang
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