|  | 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

SHAPING

|  | B27 |
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL

|  | B27N |
MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL (containing cementitious material Fulltext... Hierarchy... Expanded...B28B; shaping of substances in a plastic state Fulltext... Hierarchy... Expanded...B29C; fibreboards made from fibrous suspensions Fulltext... Hierarchy... Expanded...D21J; drying Fulltext... Hierarchy... Expanded...F26B 17/00) [4]

|  | B27N |
Note(s) This subclass does not cover treatment of compositions which are in a plastic state, or worked by the same type of process or apparatus as plastics, which is covered by subclass Fulltext... Hierarchy... Expanded...B29B or Fulltext... Hierarchy... Expanded...B29C. [4]

P:10 |  | B27N 1/00 |
Pretreatment of moulding material [4]

|  | B27N 1/02 |
· | Mixing the material with binding agent (mixing in general Fulltext... Hierarchy... Expanded...B01F) [4]

P:40 |  | B27N 3/00 |
Manufacture of substantially flat articles, e.g. boards, from particles or fibres [4]

|  | B27N 3/02 |
· | from particles [4]

|  | B27N 3/04 |
· | from fibres [4]

|  | B27N 3/06 |
· | Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation [4]

|  | B27N 3/08 |
· | Moulding or pressing (presses in general Fulltext... Hierarchy... Expanded...B30B) [4]

|  | B27N 3/10 |
· · | Moulding of mats [4]

|  | B27N 3/12 |
· · · | from fibres [4]

|  | B27N 3/14 |
· · · | Distributing or orienting the particles or fibres [4]

|  | B27N 3/16 |
· · | Transporting the material from mat moulding stations to presses (Fulltext... Hierarchy... Expanded...B27N 3/22 takes precedence); Apparatus specially adapted for transporting the material or component parts therefor, e.g. cauls (transport devices in general Fulltext... Hierarchy... Expanded...B65G) [4]

|  | B27N 3/18 |
· · | Auxiliary operations, e.g. preheating, humidifying, cutting-off [4]

|  | B27N 3/20 |
· · | characterised by using platen-presses [4]

|  | B27N 3/22 |
· · · | Charging or discharging [4]

|  | B27N 3/24 |
· · | characterised by using continuously acting presses having endless belts or chains moved within the compression zone [4]

|  | B27N 3/26 |
· · | characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum [4]

|  | B27N 3/28 |
· · | characterised by using extrusion presses [4]

P:30 |  | B27N 5/00 |
Manufacture of non-flat articles [4]

|  | B27N 5/02 |
· | Hollow articles [4]

P:20 |  | B27N 7/00 |
After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity [4]

P:0 |  | B27N 9/00 |
Arrangements for fireproofing (fireproofing materials Fulltext... Hierarchy... Expanded...C09K 21/00) [4]