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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS ( removing fluids from solids B01D; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high voltage electric fields B03C; flotation differential sedimentation B03D; separating by dry methods B07; screening or sifting B07B; by picking B07C; separating peculiar to particular materials and provided for in other single classes, see the relevant classes )
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Conditioning for facilitating separation by altering physical properties of the matter to be treated ( pre-treatment of ores in general C22B )
{
Pretreatment prior to magnetic separation B03C 1/00
}
B03B 1/02
.
Preparatory heating
B03B 1/04
.
by additives
B03B 1/06
.
by varying ambient atmospheric pressure
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Separating by pneumatic tables or by pneumatic jigs ( sink-float separation using dry heavy media B03B 5/46 )
NOTE
-
Group B03B 4/005 takes precedence over groups B03B 4/02 to B03B 4/065

B03B 4/005
.
{
the currents being pulsating, e.g. pneumatic jigs; combination of continuous and pulsating currents
}
B03B 4/02
.
using swinging or shaking tables
B03B 4/04
.
using rotary tables or tables formed by travelling belts ( separating solids from solids using gas currents and revolving drums B07B 4/06 )
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B03B 4/06
.
using fixed and inclined tables;
{
using stationary pneumatic tables, e.g. fluidised beds
}
B03B 4/065
. .
{
having inclined portions
}
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Washing granular, powdered or lumpy materials ; Wet separating ( separating by pneumatic tables or by pneumatic jigs B03B 4/00 )
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B03B 5/02
.
using shaken, pulsated or stirred beds as the principal means of separation ( B03B 5/28 , B03B 5/48 take precedence )
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B03B 5/04
. .
on shaking tables ( on vanners B03B 5/08 )
B03B 5/06
. . .
Constructional details of shaking tables, e.g. riffling
B03B 5/08
. .
on vanners
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B03B 5/10
. .
on jigs
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B03B 5/12
. . .
using pulses generated mechanically in fluid
B03B 5/14
. . . .
Plunger jigs
B03B 5/16
. . . .
Diaphragm jigs
B03B 5/18
. . . .
Moving-sieve jigs
B03B 5/20
. . .
using pulses generated by air injection
B03B 5/22
. . .
using pulses generated by liquid injection
B03B 5/24
. . .
Constructional details of jigs, e.g. pulse control devices
B03B 5/26
. .
in sluices
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B03B 5/28
.
by sink-float separation
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B03B 5/30
. .
using heavy liquids or suspensions
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. . .
using centrifugal force ( centrifuges B04B ; cyclones B04C )
B03B 5/34
. . . .
Applications of hydrocyclones
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B03B 5/36
. . .
Devices therefor, other than using centrifugal force ( jigs B03B 5/10 )
B03B 5/38
. . . .
of conical receptacle type
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B03B 5/40
. . . .
of trough type
B03B 2005/405
. . . . .
{
using horizontal currents
}
B03B 5/42
. . . .
of drum of lifting wheel type
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B03B 5/44
. . .
Application of particular media therefor
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B03B 5/442
. . . .
{
composition of heavy media
}
B03B 5/445
. . . . .
{
composition of dry heavy media
}
B03B 5/447
. . . .
{
recovery of heavy media
}
B03B 5/46
. .
using dry heavy media ; Devices therefor
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B03B 5/48
.
by mechanical classifiers ( sink-float separation aspects B03B 5/28 )
B03B 5/50
. .
Rake classifiers
B03B 5/52
. .
Spiral classifiers
B03B 5/54
. .
Drag classifiers
B03B 5/56
. .
Drum classifiers
B03B 5/58
. .
Bowl classifiers
B03B 5/60
.
by non-mechanical classifiers, e.g. slime tanks ( using shaken, pulsated or stirred beds as the principal means of separation B03B 5/02 ; hydraulic classifiers B03B 5/62 ; water impulse classifiers B03B 5/68 )
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B03B 5/62
.
by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
. .
{
Upward current classifiers
}
B03B 5/626
. .
{
Helical separators
}
B03B 5/64
. .
of the free settling type
B03B 5/66
. .
of the hindered settling type
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B03B 5/68
.
by water impulse ( shaking tables B03B 5/04 ; jigs B03B 5/10 ; hydraulic classifiers B03B 5/62 )
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B03B 5/70
. .
on tables or strakes
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B03B 5/72
. . .
which are movable
B03B 5/74
. . . .
Revolving tables
Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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General arrangement of separating plant, e.g. flow sheets
B03B 9/005
.
{
specially adapted for coal
}
B03B 9/02
.
specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
B03B 9/04
.
specially adapted for furnace residues, smeltings, or foundry slags
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B03B 9/06
.
specially adapted for refuse
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B03B 9/061
. .
{
the refuse being industrial
}
B03B 9/062
. . .
{
the refuse being glass
}
B03B 9/063
. . .
{
the refuse being concrete slurry
}
B03B 9/065
. . .
{
the refuse being building rubble
}
B03B 2009/066
. .
{
the refuse being batteries
}
B03B 2009/067
. .
{
the refuse being carpets
}
B03B 2009/068
. .
{
Specific treatment of shredder light fraction
}
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Feed or discharge devices integral with washing or wet-separating equipment ( filling or emptying devices per se B65G 65/30 )
B03B 2011/002
.
{
Rotary feeding devices
}
B03B 2011/004
.
{
Lifting wheel dischargers
}
B03B 2011/006
.
{
Scraper dischargers
}
B03B 2011/008
.
{
Screw dischargers
}
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Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects ( detecting, measuring, or analysing devices G01 ; control devices in general G05 )
B03B 13/005
.
{
Methods or arrangements for controlling the physical properties of heavy media ( in relation with groups B03B 5/30 to B03B 5/46 ) , e.g. density, concentration, viscosity
}
B03B 13/02
.
using optical effects
B03B 13/04
.
using electrical or electromagnetic effects
B03B 13/06
.
using absorption or reflection of radioactive emanation
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Last Modified: 10/10/2013