Means of fumigating raw and finished agricultural products

Foods and beverages: apparatus – Subjecting food to an enclosed modified atmosphere – With separate support for fume-producing material

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Details

21109, 426320, A23L 334

Patent

active

040590488

ABSTRACT:
An elongated pipe installed the depth of a bulk storage bin or silo for raw or finished agricultural goods receives through a capped exterior access opening a supply of solid chemical fumigant for producing phosphine gas. The buildup of gas in the pipe creates pressure so that the gas exits through hooded ports formed in the pipe to permeate and saturate the bulk goods in the bin and to kill pests therein. Residual fumigant is removed from the pipe.

REFERENCES:
patent: 235960 (1880-12-01), Praetorius
patent: 643769 (1900-02-01), Kitchen
patent: 1552082 (1925-09-01), Riley
patent: 1928903 (1933-10-01), Manning
patent: 2397292 (1946-03-01), Salle
patent: 3252402 (1966-05-01), Burmeister
patent: 3554688 (1971-01-01), Cassidy

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