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
 B27M
WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B-B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
P:10 B27M 1/00
Working of wood not provided for in subclasses B27B-B27L, e.g. by stretching  [2]
P:0 B27M 3/00
Manufacture or reconditioning of specific semi-finished or finished articles (features of copying devices B23Q; manufacture of plywood or veneer, shaping plywood or veneer into articles B27D; of central layers for plywood B27D 1/00; nailing or stapling machines in general B27F 7/00; of elements for cooperage or wheel-making B27H)
 B27M 3/02
·  of roofing elements, e.g. shingles
 B27M 3/04
·  of flooring elements, e.g. parqueting blocks (assembling wooden elements on backings of other substances B32B, e.g. B32B 37/00)
 B27M 3/08
·  of specially-shaped wood laths or strips
 B27M 3/10
·  of airscrew blades
 B27M 3/12
·  of railings, stairs, stair stringers, ladders, or parts thereof
 B27M 3/14
·  of railroad sleepers
 B27M 3/16
·  of tool handles or tools, e.g. mallets
 B27M 3/18
·  of furniture
 B27M 3/20
·  of lasts; of shoes, e.g. sabots; of parts of shoes, e.g. heels
 B27M 3/22
·  of sport articles, e.g. bowling pins, frames of tennis rackets, skis, paddles
 B27M 3/24
·  of household utensils, e.g. spoons, clothes hangers, clothes pegs
 B27M 3/26
·  of smokers utensils, e.g. pipes
 B27M 3/28
·  of dowels or bolts
 B27M 3/30
·  of bobbins
 B27M 3/32
·  of tapered poles, e.g. mine props
 B27M 3/34
·  of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening (nailing or stapling in general B25C, B27F; of cardboard, paper, or similarly workable material B31B)
 B27M 3/38
·  of walking sticks or of sticks for umbrellas