Operating procedure and sifter for the sifting of cement

Details Operating procedure and sifter for the sifting of cement Operating procedure and sifter for the sifting of cement

Filed on

1985-05-28

Date issued

1986-01-14

Examiner

Hart, Charles

Patent Class

Classifying, separating, and assorting solids

SubClass

Fluid suspension

SubSubClass

Gaseous

Other Related Categories

209144, B07B 902

Type

Patent

Status

active

Patent number

045644420

Description

ABSTRACT:
Operating procedure for the operation of a circulating-air sifter, particularly a cyclone circulating-air sifter for sifting cement, characterized by the feature that the circulating air stream is divided into a primary sifting-air stream and a secondary air stream.

REFERENCES:
patent: 3667600 (1972-06-01), Oi et al.
patent: 4292172 (1981-09-01), Hosokawa et al.

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