Batch seed coating apparatus
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United States of America Patent
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Jul 19, 2016
Grant Date -
Nov 26, 2015
app pub date -
May 20, 2014
filing date -
May 20, 2014
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Abstract
A batch-type particulate treating apparatus (10) includes an upright bin or hopper (20) equipped with a central, rotatable lifting augur (68) having a bored shaft (70) and helical flighting (80, 82). Coating liquid passes through the bore (72) of shaft (70), and is delivered through ejectors (86, 88) mounted on the augur flighting (80, 82). A pneumatic assembly (16) serves to direct pressurized air upwardly through a clearance (96) between the augur base and the adjacent inner surfaces of hopper (20). In operation, liquid coating material is ejected into the particulates during rotation of the augur (68) and operation of the pneumatic assembly (16), in order to uniformly and efficiently coat the particulates. The apparatus (10) is particularly designed for treating of seeds.
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