A - Human Necessities – 23 – B
Patent
A - Human Necessities
23
B
99/198, 99/20, 2
A23B 7/144 (2006.01) A23L 3/34 (2006.01)
Patent
CA 1212571
TITLE: Produce Fumigation Method and Apparatus Abstract of the Disclosure A method is described for fumigating produce using a shorter fumigation time and higher concentration of fumigant than with conventional fumigation. It has been found that kills achieved are as good, damage to produce is no greater and residues of fumigant are no higher than with conventional fumigation. An apparatus as described incorporating a fumigation chamber. There are described four modes of effecting fumigation with the apparatus. BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a produce fumigation process and apparatus. More particularly it relates to the fumigation of apples with methyl bromide although it is not limited thereto. 2. Description of the Prior Art It is conventional practice in the produce packing art to fumigate produce which is thought to be contaminated by insects. The practice is to subject the produce to dosages of low concentrations of a fumigant for periods of two to three hours which is sufficient to kill the infesting insect species. Generally fumigation is carried out in a specially constructed sealable vessel built to withstand a vacuum. Alternatively, produce is enclosed within a plastic cover to retain a fumigant for a sufficient length of time to allow it to kill the infesting species. Common fumigants include - 1 -
407283
Collie Naylor
Fieldes Robert B.
Mclachlan Corran N.s.
Nicol Ross S.
Smith Donald K.w.
Kirby Eades Gale Baker
New Zealand Apple And Pear Marketing Board (the)
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