Seed treatment apparatus

Coating apparatus – Projection or spray type – Coating moving mass of solid particulate work

Patent

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Details

427212, B05C 500, B05B 1700

Patent

active

045962065

ABSTRACT:
The invention comprises an apparatus for treatment of seeds with liquid insecticide-fungicide and other materials. The apparatus has an opening at its upper end formed by a wall for receiving seeds for treatment with the liquid. A cone is mounted beneath the opening to deflect and spread the seed outward evenly about the cone as they travel down the outer surfaces of the cone. Adjustable plates are mounted in the opening to vary the size for matching the incoming flow to direct the seeds onto the center of the cone, the wall has circumferential overflow openings spaced above the lower edge of the wall. A lever is provided to raise and lower the cone with respect to the wall whereby the movement of the cone upward moves the cone sufficiently close to the wall so as to slow the amount of seeds traveling off the cone to allow the seeds to build up and constantly fill the annular space formed between the cone and wall with a constant overflow through the overflow openings. This enables a constant flow of seeds from all sides of the cone so as to form a vertical column of seeds for more even treatment with the liquid. A rotary applicator is rotatably mounted beneath the cone for applying the liquid to the seeds from inside the column of seeds formed after traveling off the cone.

REFERENCES:
patent: 2319865 (1943-05-01), James
patent: 3605688 (1971-09-01), Heden et al.
patent: 3912231 (1975-10-01), Weber
patent: 4275682 (1981-06-01), Weber

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