System for applying herbicides to flora infestations within sewe

Details System for applying herbicides to flora infestations within sewe System for applying herbicides to flora infestations within sewe

1992-07-27

1994-11-08

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

For diverse operations on treated material

34220, 34104, F26B 2500

Patent

active

053615123

ABSTRACT:
A method and apparatus for applying herbicide to the interior of sewer lines. The invention includes a heating assembly which is capable of raising the temperature of the herbicide such that it enters a gaseous state. This gaseous herbicide is then forced through flexible tubing and into the sewer line where it attacks flora infestations therein. A highly saturated atmosphere is maintained within the sewer line by a pair of inflatable inner-tube type devices which entrap the gaseous herbicide within the area of sewer line to be treated.

REFERENCES:
patent: 261081 (1882-07-01), Comstock et al.

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