IPC 6 English version  B03-B03B01306
SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 03

SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (separating isotopes B 01 D 59/00; crushing or disintegrating B 02 C; centrifuges or vortex apparatus for carrying out physical processes B 04) [5]

B 03 B

SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS (removing fluids from solids B 01 D; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high voltage electric fields B 03 C; flotation, differential sedimentation B 03 D; separating by dry methods B 07; screening or sifting B 07 B; by picking B 07 C; separating peculiar to particular materials and provided for in other single classes, see the relevant classes)


1/

00

Conditioning for facilitating separation by altering physical properties of the matter to be treated (pretreatment of ores in general C 22 B)

1/

02

Preparatory heating

1/

04

by additives

1/

06

by varying ambient atmospheric pressure

4/

00

Separating by pneumatic tables or by pneumatic jigs (sink-float separation using dry heavy media B 03 B 5/46) [2]

4/

02

using swinging or shaking tables [6]

4/

04

using rotary tables or tables formed by travelling belts (separating solids from solids using gas currents and revolving drums B 07 B 4/06) [6]

4/

06

using fixed and inclined tables [6]

5/

00

Washing granular, powdered or lumpy materials; Wet separating (separating by pneumatic tables or by pneumatic jigs B 03 B 4/00) [2]

5/

02

using shaken, pulsated or stirred beds as the principal means of separation (B 03 B 5/28, B 03 B 5/48 take precedence) [2]

5/

04

. . 

on shaking tables (on vanners B 03 B 5/08) [2]

5/

06

. . . 

Constructional details of shaking tables, e.g. riffling [2]

5/

08

. . 

on vanners [2]

5/

10

. . 

on jigs [2]

5/

12

. . . 

using pulses generated mechanically in fluid [2]

5/

14

. . . . 

Plunger jigs [2]

5/

16

. . . . 

Diaphragm jigs [2]

5/

18

. . . . 

Moving-sieve jigs [2]

5/

20

. . . 

using pulses generated by air injection [2]

5/

22

. . . 

using pulses generated by liquid injection [2]

5/

24

. . . 

Constructional details of jigs, e.g. pulse control devices [2]

5/

26

. . 

in sluices [2]

5/

28

by sink-float separation [2]

5/

30

. . 

using heavy liquids or suspensions [2]

5/

32

. . . 

using centrifugal force (centrifuges B 04 B; cyclones B 04 C) [2]

5/

34

. . . . 

Applications of hydrocyclones [2]

5/

36

. . . 

Devices therefor, other than using centrifugal force (jigs B 03 B 5/10) [2]

5/

38

. . . . 

of conical receptacle type [2]

5/

40

. . . . 

of trough type [2]

5/

42

. . . . 

of drum or lifting wheel type [2]

5/

44

. . . 

Application of particular media therefor [2]

5/

46

. . 

using dry heavy media; Devices therefor [2]

5/

48

by mechanical classifiers (sink-float separation aspects B 03 B 5/28) [2]

5/

50

. . 

Rake classifiers [2]

5/

52

. . 

Spiral classifiers [2]

5/

54

. . 

Drag classifiers [2]

5/

56

. . 

Drum classifiers [2]

5/

58

. . 

Bowl classifiers [2]

5/

60

by non-mechanical classifiers, e.g. slime tanks (using shaken, pulsated or stirred beds as the principal means of separation B 03 B 5/02; hydraulic classifiers B 03 B 5/62; water impulse classifiers B 03 B 5/68) [2]

5/

62

by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type [2]

5/

64

. . 

of the free settling type [2]

5/

66

. . 

of the hindered settling type [2]

5/

68

by water impulse (shaking tables B 03 B 5/04; jigs B 03 B 5/10; hydraulic classifiers B 03 B 5/62) [2]

5/

70

. . 

on tables or strakes [2]

5/

72

. . . 

which are movable [2]

5/

74

. . . . 

Revolving tables [2]

7/

00

Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage

9/

00

General arrangement of separating plant, e.g. flow sheets

9/

02

specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like

9/

04

specially adapted for furnace residues, smeltings, or foundry slags

9/

06

specially adapted for refuse

11/

00

Feed or discharge devices integral with washing or wet-separating equipment (filling or emptying devices per se B 65 G 65/30)

13/

00

Control arrangements specially adapted for wet- separating apparatus or for dressing plant, using physical effects (detecting, measuring, or analysing devices G 01; control devices in general G 05)

13/

02

using optical effects

13/

04

using electrical or electromagnetic effects

13/

06

using absorption or reflection of radioactive emanation

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