|  | B |
SECTION B — PERFORMING OPERATIONS; TRANSPORTING

|  | B01 - B07 |
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/LIQUID OR SOLID/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/SOLID SEPARATION |
Method |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B07B
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B
Apparatus |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B04B, B04C
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B

PRINTING

|  | B41 |
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals Fulltext... Hierarchy... Expanded...H04N) [4]

|  | B41N |
PRINTING PLATES OR FOILS (photosensitive materials Fulltext... Hierarchy... Expanded...G03); MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE OR CONSERVING THEM

P:0 |  | B41N 1/00 |
Printing plates or foils; Materials therefor

|  | B41N 1/02 |
· | made of stone

|  | B41N 1/04 |
· | metallic

|  | B41N 1/06 |
· · | for relief printing or intaglio printing

|  | B41N 1/08 |
· · | for lithographic printing

|  | B41N 1/10 |
· · · | multiple

|  | B41N 1/12 |
· | non-metallic other than stone

|  | B41N 1/14 |
· · | Lithographic printing foils

|  | B41N 1/16 |
· | Curved printing plates, especially cylinders

|  | B41N 1/18 |
· · | made of stone

|  | B41N 1/20 |
· · | made of metal

|  | B41N 1/22 |
· · | made of other substances

|  | B41N 1/24 |
· | Stencils; Stencil materials; Carriers therefor (stencilling apparatus for office or other commercial use Fulltext... Hierarchy... Expanded...B41L 13/00)

P:50 |  | B41N 3/00 |
Preparing for use or conserving printing surfaces

|  | B41N 3/03 |
· | Chemical or electrical pretreatment [5]

|  | B41N 3/04 |
· | Graining or abrasion by mechanical means (chemical graining Fulltext... Hierarchy... Expanded...B41N 3/03) [5]

|  | B41N 3/06 |
· | by use of detergents

|  | B41N 3/08 |
· | Damping; Neutralising or similar differentiation treatments of lithographic printing formes [5]

P:10 |  | B41N 6/00 |
Mounting boards; Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising [5]

|  | B41N 6/02 |
· | Chemical means for fastening printing formes on mounting boards [5]

P:20 |  | B41N 7/00 |
Shells for rollers of printing machines

|  | B41N 7/02 |
· | of leather

|  | B41N 7/04 |
· | for damping rollers

|  | B41N 7/06 |
· | for inking rollers [5]

P:30 |  | B41N 10/00 |
Blankets or like coverings; Coverings for wipers for intaglio printing (wipers for intaglio printing Fulltext... Hierarchy... Expanded...B41F 9/08) [5]

|  | B41N 10/02 |
· | Blanket structure [5]

|  | B41N 10/04 |
· · | multi-layer [5]

|  | B41N 10/06 |
· · | facilitating fastening to, or location on, supports [5]

P:40 |  | B41N 11/00 |
Stereotype mats

P:60 |  | B41N 99/00 |
Subject matter not provided for in other groups of this subclass [8]