IPC 6 English version
  B23D - B23D 31/04  
 
B23D03300-B23D05312
  B23D 55/00 - B23D 81/00  

SECTION B– PERFORMING OPERATIONS; TRANSPORTING


B 23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B 21 D; wire-working B 21 F; making pins, needles, or nails B 21 G; making chains B 21 L; grinding B 24)


B 23 DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR (making toothed gears or the like B 23 F; cutting metal by applying heat locally B 23 K; arrangements for copying or controlling B 23 Q)


33/

00Accessories for shearing machines or shearing devices (feeding stock to machines or removing stock B 21 D 43/00)

33/

02.Arrangements for holding, guiding, or feeding work during the operation

33/

04..for making circular cuts

33/

06..in which the direction of feed is controlled by a copying device, e.g. by a pattern (features of copying devices B 23 Q 35/00)

33/

08.Press-pads; Counter-bases; Hold-down devices

33/

10.Stops for positioning work

33/

12.Equipment for indicating where to cut


35/

00Tools for shearing machines or shearing devices; Holders or chucks for shearing tools



36/

00Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock while the latter is travelling otherwise than in the direction of the cut [2]


Broaching


37/

00Broaching machines or broaching devices

37/

02.Broaching machines with horizontally-arranged working tools

37/

04..for broaching inner surfaces

37/

06..for broaching outer surfaces

37/

08.Broaching machines with vertically-arranged working tools

37/

10..for broaching inner surfaces

37/

12..for broaching outer surfaces

37/

14.Broaching machines with rotatably-arranged working tools

37/

16..for broaching helical grooves

37/

18.Broaching machines with working tools mounted on an endless chain or belt

37/

20.Broaching machines with arrangements for working in opposite directions

37/

22.for special purposes (B 23 D 37/14 takes precedence)


39/

00Accessories for broaching machines or broaching devices


41/

00Broaching machines or broaching devices characterised only by constructional features of particular parts (constructional features of these parts per se B 23 Q)

41/

02.of frames; of work supports

41/

04.of tool-carrying arrangements

41/

06.of devices for feeding, clamping, or ejecting workpieces

41/

08.of drives; of control devices


43/

00Broaching tools (for cutting gear teeth B 23 F 21/26)

43/

02.for cutting by rectilinear movement (B 23 D 43/08 takes precedence)

43/

04..having inserted cutting edges

43/

06.for cutting by rotational movement

43/

08.mounted on an endless chain or belt


Sawing (surgical saws A 61 B 17/14; sawing wood or similar material B 27 B)


45/

00Sawing machines or sawing devices with circular saw blades or with friction saw discs (shearing machines with rotary discs B 23 D 19/00 to B 23 D 25/00)

45/

02.with a circular saw blade or the stock mounted on a carriage

45/

04.with a circular saw blade or the stock carried by a pivoted lever

45/

06.with a circular saw blade arranged underneath a stationary work-table

45/

08.with a ring blade having inside saw teeth

45/

10.with a plurality of circular saw blades

45/

12.with a circular saw blade for cutting tubes

45/

14.for cutting otherwise than in a plane perpendicular to the axis of the stock, e.g. for making a mitred cut

45/

16.Hand-held sawing devices with circular saw blades

45/

18.Machines with circular saw blades for sawing stock while the latter is travelling otherwise than in the direction of the cut (control of such machines B 23 D 36/00) [2]

45/

20..Flying sawing machines, the saw carrier of which is reciprocated in a guide and moves with the travelling stock during sawing

45/

22..Flying sawing machines with lever-supported saw carrier which moves in a complete circular path

45/

24..Flying sawing machines with lever-supported saw carrier which oscillates in an arc

45/

26.with high-speed cutting discs, performing the cut by frictional heat melting the material (grinders for cutting-off B 24 B 27/06)


47/

00Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts (constructionals features of these parts per se B 23 Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B 25 F 5/00) [4]

47/

02.of frames; of guiding arrangements for work-table or saw-carrier

47/

04.of devices for feeding, positioning, clamping, or rotating work

47/

06..for stock of indefinite length

47/

08.of devices for bringing the circular saw blade to the workpiece or removing same therefrom

47/

10..actuated by fluid or gas pressure

47/

12.of drives for circular saw blades


49/

00Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws

49/

02.Hacksaw machines with straight saw blades secured to a rectilinearly-guided frame, e.g. with the frame fed stepwise in the plane of the guide

49/

04.Hacksaw machines with straight saw blades secured to a pivotally-arranged frame

49/

06.Hacksaw machines with straight saw blades for special use

49/

08.Pad-saw machines, i.e. machines in which the blade is attached to a carrier at one end only

49/

10.Hand-held or hand-operated sawing devices with straight saw blades

49/

11..for special purposes, e.g. offset-blade hand saws [5]

49/

12..Hacksaws (B 23 D 49/11, B 23 D 49/16 take precedence; bows adjustable in length or height B 23 D 51/12) [5]

49/

14..Pad saws (B 23 D 49/11, B 23 D 49/16 take precedence) [5]

49/

16..actuated by electric or magnetic power or prime movers (B 23 D 49/11 takes precedence) [5]


51/

00Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts (constructional features of these parts per se B 23 Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B 25 F 5/00); Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends [4]

51/

01.characterised by the handle [5]

51/

02.of beds; of guiding arrangements for work-tables or saw carriers; of frames [5]

51/

03..with extensible or collapsible frames [5]

51/

04.of devices for feeding, positioning, clamping, or rotating work

51/

06..for stock of indefinite length

51/

08.of devices for mounting straight saw blades or other tools

51/

10..for hand-held or hand-operated devices

51/

12..for use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height

51/

14...Attachment of the tool

51/

16.of drives or feed mechanisms for straight tools, e.g. saw blades, or bows

51/

18..actuated by fluid or gas pressure (B 23 D 51/20 takes precedence)

51/

20..with controlled feed of the tool, or with special arrangements for relieving or lifting the tool on the return stroke


53/

00Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting

53/

02.with stationarily-mounted wheels carrying the strap (B 23 D 53/06 takes precedence)

53/

04.with the wheels carrying the strap mounted shiftably or swingingly, other than merely for adjustment

53/

06.with shiftable or swinging work-table

53/

08.for cutting profiled stock

53/

10.Sawing devices working with strap saw blades able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool

53/

12.Hand-held or hand-operated sawing devices working with strap saw blades

  B23D - B23D 31/04    B23D 55/00 - B23D 81/00