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
  
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 B28B; shaping of substances in a plastic state B29C; fibreboards made from fibrous suspensions D21J; drying 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 B29B or B29C.  [4]

P:10 B27N 1/00
Pretreatment of moulding material  [4]
 B27N 1/02
·  Mixing the material with binding agent (mixing in general 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 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 (B27N 3/22 takes precedence); Apparatus specially adapted for transporting the material or component parts therefor, e.g. cauls (transport devices in general 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 C09K 21/00)  [4]