In-line classifier for powdered products

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means

Reexamination Certificate

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Details

C209S631000, C209S637000, C209S640000, C209S133000, C209S135000

Reexamination Certificate

active

10753231

ABSTRACT:
A classifier for classifying particulates entrained in a flowing stream of gas is configured such that a change of direction of gas flow causes particles to impinge upon a target, heavier particles being trapped in a downwardly extending fluidized trap. The classifier is easily constructed, has no moving parts, and can take the place of sifters and other equipment traditionally used for classifying such product streams.

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Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration dated May 17, 2005.
HammerTek Corporation Advertisement, Gravity Diverter Valves, Powder/Bulk Solids, Oct. 2002, pp. 35, vol. 20, No. 10, Reed Business Information, Colorado.

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