|  | 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

|  | B25 |
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS

|  | B25 |
Note(s) In this class, the following term is used with the meaning indicated: "portable" includes suspension for easy manual handling, e.g. in connection with spring-suspended portable apparatus for use along assembly lines.

|  | B25D |
PERCUSSIVE TOOLS (percussive machines for forging Fulltext... Hierarchy... Expanded...B21J; hand-held drilling machines, in general Fulltext... Hierarchy... Expanded...B23B 45/00, for wood Fulltext... Hierarchy... Expanded...B27C 3/08; percussion drilling of earth or rock Fulltext... Hierarchy... Expanded...E21B) [2]

|  | B25D |
Subclass index
TOOLS DISTINGUISHED BY OPERATIVE METHOD | 9/00 - 16/00
HAMMERS, CHISELS, PUNCHES, OR PICKS | 1/00 - 7/00
DETAILS OR ACCESSORIES | 17/00

P:80 |  | B25D 1/00 |
Hand hammers; Hammer heads of special shape or materials

|  | B25D 1/02 |
· | Inserts or attachments forming the striking part of hammer heads (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...B25D 1/08-B25D 1/14 take precedence) [5]

|  | B25D 1/04 |
· | with provision for withdrawing or holding nails or spikes

|  | B25D 1/06 |
· · | Magnetic holders [5]

|  | B25D 1/08 |
· | having deformable heads (Fulltext... Hierarchy... Expanded...B25D 1/12 takes precedence) [5]

|  | B25D 1/10 |
· | having work protector surrounding faces (Fulltext... Hierarchy... Expanded...B25D 1/12 takes precedence) [5]

|  | B25D 1/12 |
· | having shock-absorbing means [5]

|  | B25D 1/14 |
· | having plural striking faces [5]

|  | B25D 1/16 |
· | having the impacting head in the form of a sleeve slidable on a shaft, e.g. hammers for driving a valve or draw-off tube into a barrel [5]

P:70 |  | B25D 3/00 |
Hand chisels (mortise chisels Fulltext... Hierarchy... Expanded...B27G 17/08)

P:60 |  | B25D 5/00 |
Centre punches

|  | B25D 5/02 |
· | Automatic centre punches

P:50 |  | B25D 7/00 |
Picks (combined with other tools Fulltext... Hierarchy... Expanded...B25F)

P:40 |  | B25D 9/00 |
Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (centrifugal or rotary impact type Fulltext... Hierarchy... Expanded...B25D 15/00; portable non-percussive drilling tools driven by fluid pressure or pneumatic power Fulltext... Hierarchy... Expanded...B23B 45/04)

|  | B25D 9/02 |
· | of the tool-carrier piston type, i.e. in which the tool is connected to an impulse member

|  | B25D 9/04 |
· | of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member

|  | B25D 9/06 |
· | Means for driving the impulse member

|  | B25D 9/08 |
· · | comprising a built-in air compressor

|  | B25D 9/10 |
· · | comprising a built-in internal-combustion engine

|  | B25D 9/11 |
· · | operated by combustion pressure generated by detonation of a cartridge

|  | B25D 9/12 |
· · | comprising a built-in liquid motor

|  | B25D 9/14 |
· | Control devices for the reciprocating piston

|  | B25D 9/16 |
· · | Valve arrangements therefor

|  | B25D 9/18 |
· · · | involving a piston-type slide valve

|  | B25D 9/20 |
· · · | involving a tubular-type slide valve

|  | B25D 9/22 |
· · · | involving a rotary-type slide valve

|  | B25D 9/24 |
· · · | involving a rocking-plate type valve

|  | B25D 9/26 |
· · | Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

P:30 |  | B25D 11/00 |
Portable percussive tools with electromotor drive (centrifugal or rotary impact type Fulltext... Hierarchy... Expanded...B25D 15/00)

|  | B25D 11/02 |
· | in which the tool is connected to an impulse member

|  | B25D 11/04 |
· | in which the tool bit or anvil is hit by an impulse member

|  | B25D 11/06 |
· | Means for driving the impulse member

|  | B25D 11/08 |
· · | comprising a worm mechanism

|  | B25D 11/10 |
· · | comprising a cam mechanism

|  | B25D 11/12 |
· · | comprising a crank mechanism

P:20 |  | B25D 13/00 |
Portable percussive tools with electromagnetic drive (Fulltext... Hierarchy... Expanded...B25D 15/00 takes precedence)

P:10 |  | B25D 15/00 |
Portable percussive tools using centrifugal or rotary impact elements

|  | B25D 15/02 |
· | in which the tool bit or anvil is hit by a rotary impulse member

P:0 |  | B25D 16/00 |
Portable percussive machines with superimposed rotation (portable drilling machines with superimposed percussive action Fulltext... Hierarchy... Expanded...B23B 45/16) [3]

P:90 |  | B25D 17/00 |
Details of, or accessories for, portable power-driven percussive tools (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed Fulltext... Hierarchy... Expanded...B25F 5/00) [4]

|  | B25D 17/02 |
· | Percussive tool bits (drill bits for earth drilling Fulltext... Hierarchy... Expanded...E21B 10/00)

|  | B25D 17/04 |
· | Handles; Handle mountings

|  | B25D 17/06 |
· | Hammer pistons; Anvils

|  | B25D 17/08 |
· | Means for retaining and guiding the tool bit, e.g. chucks

|  | B25D 17/10 |
· | Safety devices (in general Fulltext... Hierarchy... Expanded...F16P)

|  | B25D 17/11 |
· | Arrangements of noise damping means (noise damping in general Fulltext... Hierarchy... Expanded...G10K 11/16) [3]

|  | B25D 17/12 |
· · | of exhaust silencers [3]

|  | B25D 17/14 |
· | Removing or laying dust (flushing boreholes while drilling earth or rock Fulltext... Hierarchy... Expanded...E21B 21/00)

|  | B25D 17/16 |
· · | by liquid

|  | B25D 17/18 |
· · | by exhausting dust-loaded air

|  | B25D 17/20 |
· | Devices for cleaning or cooling tool or work

|  | B25D 17/22 |
· · | using pressure fluid

|  | B25D 17/24 |
· | Damping the reaction force

|  | B25D 17/26 |
· | Lubricating (in general Fulltext... Hierarchy... Expanded...F16N)

|  | B25D 17/28 |
· | Supports; Devices for holding power-driven percussive tools in working position

|  | B25D 17/30 |
· · | Pillars and struts

|  | B25D 17/32 |
· · | Trolleys