B07BLevel 3

SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS

**Definition:** This place covers:

Apparatus or methods for the separation of solids from solids that include:

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B07B 1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like

B07B 11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents

B07B 13/00Other separating, e.g. grading, resulting automatically from the construction of the apparatus used and properties of the material concerned

B07B 15/00Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material

B07B 2201/00Details applicable to machines for screening using sieves or gratings

B07B 2220/00Type of materials being separated

B07B 2230/00Specific aspects relating to the whole

B07B 4/00Separating solids from solids using gas currents

B07B 7/00Selective separation of solid materials carried by, or dispersed in, gas currents

B07B 9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents

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