|  | 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

|  | B27G |
ACCESSORY MACHINES OR APPARATUS; TOOLS; SAFETY DEVICES, e.g. FOR SAWS (clamping devices for mitre joints, presses for producing frames, press frames, or cages equipped with clamping devices Fulltext... Hierarchy... Expanded...B25B; woodworkers' benches Fulltext... Hierarchy... Expanded...B25H)

|  | B27G |
Subclass index
DEVICES OR MACHINES FOR REMOVING KNOTS OR OTHER UNUSABLE PARTS | 1/00, 3/00
DEVICES OR MACHINES FOR WORKING MITRE JOINTS OR FOR GLUING | 5/00, 11/00
TOOLS | 13/00, 15/00, 17/00
DEVICES FOR SAFETY OR PROPER OPERATION | 19/00, 21/00, 23/00

|  | B27G 1/00 - B27G 11/00 |
Accessory machines or apparatus

P:20 |  | B27G 1/00 |
Machines or devices for removing knots or other irregularities or for filling-up holes

P:30 |  | B27G 3/00 |
Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

P:40 |  | B27G 5/00 |
Machines or devices for working mitre joints with even abutting ends (with tenon or like connections Fulltext... Hierarchy... Expanded...B27F)

|  | B27G 5/02 |
· | for sawing mitre joints; Mitre boxes (guide fences for timber in sawing machines Fulltext... Hierarchy... Expanded...B27B 27/00)

|  | B27G 5/04 |
· | for planing, cutting, shearing, or milling mitre joints

P:50 |  | B27G 11/00 |
Applying adhesives or glue to surfaces of wood to be joined (applying liquids, e.g. liquid adhesives, to surfaces in general Fulltext... Hierarchy... Expanded...B05C, Fulltext... Hierarchy... Expanded...B05D; adhesive processes Fulltext... Hierarchy... Expanded...C09J 5/00; associated with particular wood-working, see the relevant subclasses) [2]

|  | B27G 11/02 |
· | Glue vessels; Apparatus for warming or heating glue

|  | B27G 13/00 - B27G 17/00 |
Tools (sawing tools Fulltext... Hierarchy... Expanded...B27B 33/00; tools for slotting or mortising machines Fulltext... Hierarchy... Expanded...B27F 5/00; tools for the manufacture of wood shavings, chips, powder, or the like Fulltext... Hierarchy... Expanded...B27L 11/00) [2]

P:80 |  | B27G 13/00 |
Cutter blocks; Other rotary cutting tools (Fulltext... Hierarchy... Expanded...B27G 15/00, Fulltext... Hierarchy... Expanded...B27G 17/00 take precedence)

|  | B27G 13/02 |
· | in the shape of long arbors, i.e. cylinder cutting blocks (Fulltext... Hierarchy... Expanded...B27G 13/12 takes precedence)

|  | B27G 13/04 |
· · | Securing the cutters by mechanical clamping means

|  | B27G 13/06 |
· · | Securing the cutters by fluid-pressure clamping means

|  | B27G 13/08 |
· | in the shape of disc-like members; Wood-milling cutters (Fulltext... Hierarchy... Expanded...B27G 13/12 takes precedence)

|  | B27G 13/10 |
· · | Securing the cutters, e.g. by clamping collars

|  | B27G 13/12 |
· | for profile cutting

|  | B27G 13/14 |
· · | for cutting grooves or tenons

|  | B27G 13/16 |
· · | for rounding rods, e.g. dowels

P:60 |  | B27G 15/00 |
Boring or turning tools; Augers

|  | B27G 15/02 |
· | Drills for undercutting holes

P:70 |  | B27G 17/00 |
Manually-operated tools

|  | B27G 17/02 |
· | Hand planes (equipped with power-driven cutter blocks Fulltext... Hierarchy... Expanded...B27C 1/10)

|  | B27G 17/04 |
· | Spokeshaves; Scrapers

|  | B27G 17/06 |
· | Rasps

|  | B27G 17/08 |
· | Mortise chisels

|  | B27G 19/00 - B27G 21/00 |
Safety guards or devices

P:0 |  | B27G 19/00 |
Safety guards or devices specially designed for wood saws (in general Fulltext... Hierarchy... Expanded...F16P); Auxiliary devices facilitating proper operation of wood saws

|  | B27G 19/02 |
· | for circular saws

|  | B27G 19/04 |
· · | for manually-operated power-driven circular saws

|  | B27G 19/06 |
· | for band or strap saws

|  | B27G 19/08 |
· | Accessories for keeping open the saw kerf, e.g. riving knives, wedge plates

|  | B27G 19/10 |
· | Measures preventing splintering of sawn portions of wood

P:10 |  | B27G 21/00 |
Safety guards or devices specially designed for other wood-working machines

P:90 |  | B27G 23/00 |
Gauging means specially designed for adjusting of tools or guides, e.g. adjusting cutting blades in cutter blocks (for guides of sawing machines Fulltext... Hierarchy... Expanded...B27B 27/00)