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
 B42
BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
 B42B
PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES, OR SIGNATURES, OR PERMANENTLY ATTACHING OBJECTS THERETO (nailing or stapling in general B25C, B27F; machines for both collating or gathering and permanently attaching together sheets or signatures B42C 1/12; temporarily attaching sheets together B42F)
P:20 B42B 2/00
Permanently attaching together sheets, quires, or signatures by stitching with filamentary material, e.g. textile threads (discontinuously B42B 4/00)  [2]
 B42B 2/02
·  Machines for stitching with thread  [2]
 B42B 2/04
·  ·  with straight needles  [2]
 B42B 2/06
·  ·  with curved needles  [2]
 B42B 2/08
·  ·  with devices for forming safety knots or with tying mechanisms  [2]
 B42B 2/10
·  Hand-stitching tools  [2]
P:30 B42B 4/00
Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire  [2]
 B42B 4/02
·  Rotary-type stitching machines  [2]
P:40 B42B 5/00
Permanently attaching together sheets, quires, or signatures otherwise than by stitching (by deformation thereof B31F; by adhesive peculiar to bookbinding B42C 9/00)
 B42B 5/02
·  by eyelets (for garments A41H 37/02; for shoes A43D 100/00)
 B42B 5/04
·  by laces or ribbons
 B42B 5/06
·  by clips
 B42B 5/08
·  by finger, claw, or ring-like elements passing through the sheets, quires, or signatures
 B42B 5/10
·  ·  the elements being of castellated or comb-like form
 B42B 5/12
·  ·  the elements being coils
P:10 B42B 7/00
Permanently attaching objects, e.g. map sections, to sheets
P:0 B42B 9/00
Devices common to machines for carrying out the processes according to more than one of main groups B42B 2/00-B42B 7/00 (auxiliary equipment in making paper articles B31F; auxiliary equipment in printing machines B41; conveyers in general B65G)
 B42B 9/02
·  for opening quires or signatures
 B42B 9/04
·  for conveying downwardly-open signatures
 B42B 9/06
·  for pasting (applying glue or adhesive peculiar to bookbinding B42C 9/00)  [2]