Fumigation apparatus

Details Fumigation apparatus Fumigation apparatus

1992-12-14

1994-10-11

Warden, Robert J.

Fishing, trapping, and vermin destroying

Vermin destroying

Fumigators

43124, 99467, 99468, 422 28, 422108, 422111, 422125, A01M 1300

Patent

active

053535448

ABSTRACT:
A fumigation apparatus is provided which uses mixed gas of hydrogen phosphide and methyl bromide, said mixed gas containing hydrogen phosphide at a high concentration, and which is free from the risk of ignition and safe. The apparatus, furthermore, is capable of fumigation that can completely kill noxious insects infesting green plants within a short time, exhibiting very little phytotoxicity on the plants and leaving extremely little residual fumigating agent after fumigation. Said apparatus is composed of (a) a system for purging air and hydrogen phosphide in a hydrogen phosphide path; (b) a system for hydrogen phosphide supply and transfer from a hydrogen phosphide bomb to a mixer through a humidifier; (c) a system for methyl bromide supply and transfer from a methyl bromide bomb to the mixer; and (d) a system for transferring the mixed gas from the mixer to a fumigation chamber.

REFERENCES:
patent: 4989363 (1991-02-01), Dorknemann
patent: 4998377 (1991-03-01), Tsutsumi et al.
patent: 5098664 (1992-03-01), Schellhaas et al.

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