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
 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 B21J; hand-held drilling machines, in general B23B 45/00, for wood B27C 3/08; percussion drilling of earth or rock 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 (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 (B25D 1/12 takes precedence)  [5]
 B25D 1/10
·  having work protector surrounding faces (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 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 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 B25D 15/00; portable non-percussive drilling tools driven by fluid pressure or pneumatic power 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 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 (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 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 B25F 5/00)  [4]
 B25D 17/02
·  Percussive tool bits (drill bits for earth drilling 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 F16P)
 B25D 17/11
·  Arrangements of noise damping means (noise damping in general 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 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 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