B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
PRINTING
 B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals H04N)  [4]
 B41C
PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES (photomechanical processes for producing printing surfaces G03F; photoelectrical processes for producing printing surfaces G03G)
P:0 B41C 1/00
Forme preparation
 B41C 1/02
·  Engraving; Heads therefor (recording on record carriers, heads therefor G11B)  [5]
 B41C 1/02

Note(s)

Attention is drawn to the title of class B41 and to subclass H04N, in particular to the Notes following the title of that subclass and to group H04N 1/00.  [5]

 B41C 1/04
·  ·  using heads controlled by an electric information signal
 B41C 1/045
·  ·  ·  Mechanical engraving heads  [5]
 B41C 1/05
·  ·  ·  Heat-generating engraving heads, e.g. laser beam, electron beam  [5]
 B41C 1/055
·  Thermographic processes for producing formes (B41C 1/02 takes precedence)  [5]
 B41C 1/06
·  Transferring (B41C 1/10, B41C 1/18 take precedence)  [5]
 B41C 1/08
·  by embossing, e.g. with a typewriter (typewriters adapted therefor B41J 3/38)
 B41C 1/10
·  for lithographic printing; Master sheets for transferring a lithographic image to the forme (B41C 1/055 takes precedence; neutralising or similar differentiation treatments of lithographic printing formes B41N 3/08)  [5]
 B41C 1/12
·  Multicolour formes
 B41C 1/14
·  for stencil printing or silk-screen printing (B41C 1/055 takes precedence)  [5]
 B41C 1/16
·  Formes with areas rendered ink-resistant by covering with an amalgam; Printing plates for amalgam printing  [5]
 B41C 1/18
·  Curved printing formes or printing cylinders
P:10 B41C 3/00
Reproduction or duplicating of printing formes
 B41C 3/02
·  Stereotyping (casting stereotype plates B41D 3/00)  [2]
 B41C 3/04
·  to produce rubber printing blocks
 B41C 3/06
·  to produce printing blocks from plastics
 B41C 3/08
·  Electrotyping; Application of backing layers thereon  [5]