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
 B27L
REMOVING BARK OR VESTIGES OF BRANCHES (forestry A01G); SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
P:10 B27L 1/00
Debarking or removing vestiges of branches from trees or logs (debarking by chemical treatment B27L 3/00); Machines therefor  [2]
 B27L 1/00

Note(s)

Tree-feeding devices are covered by group B27B 25/00.  [5]

 B27L 1/02
·  by rubbing the trunks against each other (B27L 1/04 takes precedence); Equipment for wet practice  [5]
 B27L 1/04
·  by rubbing the trunks in rotating drums  [5]
 B27L 1/05
·  ·  Drums therefor  [5]
 B27L 1/06
·  Manually-operated or portable devices for debarking or for removing vestiges of branches
 B27L 1/08
·  using rotating rings  [5]
 B27L 1/10
·  using rotatable tools (B27L 1/04, B27L 1/08, B27L 1/12 take precedence)  [5]
 B27L 1/12
·  using pliable tools  [5]
 B27L 1/14
·  using jets of fluid  [5]
P:0 B27L 3/00
Debarking by chemical treatment
P:30 B27L 5/00
Manufacture of veneer (working veneer or plywood B27D)
 B27L 5/02
·  Cutting strips from a rotating trunk or piece; Veneer lathes
 B27L 5/04
·  ·  the trunk being rotated about an axis lying outside it
 B27L 5/06
·  Cutting strips from a stationarily-held trunk or piece by a rocking knife carrier, or from rocking trunk or piece by a stationarily-held knife carrier; Veneer-cutting machines
 B27L 5/08
·  Severing sheets or segments from veneer strips; Shearing devices therefor; Making veneer blanks, e.g. trimming to size
P:20 B27L 7/00
Arrangements for splitting wood  [6]
 B27L 7/02
·  using rotating members  [6]
 B27L 7/04
·  ·  Conical screws  [6]
 B27L 7/06
·  using wedges, knives or spreaders (B27L 7/02 takes precedence)  [6]
 B27L 7/08
·  using chopping blocks  [6]
P:40 B27L 9/00
Manufacture of wooden sticks, e.g. toothpicks (of walking sticks, of sticks for umbrellas B27M 3/38; combined with other operations in the manufacture of matches C06F)
P:50 B27L 11/00
Manufacture of wood shavings, chips, powder, or the like (disintegrating in general B02C; edge trimming sawing blades or sawing tools combined with means to disintegrate waste B27B 33/20; obtaining fibres for spinning D01B 1/00; wet methods D21B 1/12); Tools therefor  [2]
 B27L 11/02
·  of wood shavings or the like
 B27L 11/04
·  ·  of wood wool
 B27L 11/06
·  of wood powder or sawdust (grinding-stones B24D)
 B27L 11/08
·  of wood fibres, e.g. produced by tearing