IPC-Stelle: B21D 1/06 [Version 2008.01]

SymbolTypTitel
BSKSECTION B — PERFORMING OPERATIONS; TRANSPORTING
B21USKSHAPING
B21KLMECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL (casting, powder metallurgy B22; shearing B23D; working of metal by the action of a high concentration of electric current B23H; soldering, welding, flame-cutting B23K; other working of metal B23P; punching sheet material in general B26F; processes for changing of physical properties of metals C21D, C22F; electroforming C25D 1/00)
B21DUKLWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING (operations of the kind involved in the manufacture of such products B21B, B21C; working or processing of wire B21F; cutting or severing devices or machines in general B26; presses in general B30B)
B21D 1/00ZWStraightening; Restoring form; Bending; Corrugating; Flanging
B21D 1/00HGRStraightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom (B21D 3/00 takes precedence); Stretching sheet metal combined with rolling (working sheet metal of limited length by stretching B21D 25/00; by localised hammering B21D 31/06) [2]
B21D 1/02UGR1
.by rollers (B21D 1/06 takes precedence)
B21D 1/05UGR1
.Stretching combined with rolling [2]
B21D 1/06UGR1
.Removing local distortions
B21D 1/08UGR2
. .of hollow bodies made from sheet metal (of substantially open bodies B21D 1/10)
B21D 1/10UGR2
. .of specific articles made from sheet metal, e.g. mudguards
B21D 1/12UGR1
.Straightening vehicle body parts or bodies (B21D 1/14 takes precedence)
B21D 1/14UGR1
.Straightening frame structures
B21D 3/00HGRStraightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts (straightening of well casings in situE21B)
B21D 3/02UGR1
.by rollers
B21D 3/04UGR2
. .arranged on axes skew to the path of the work
B21D 3/05UGR2
. .arranged on axes rectangular to the path of the work [2]
B21D 3/06UGR2
. .arranged inclined to a revolving flier rolling frame
B21D 3/08UGR2
. .which move in an orbit without rotating round the work
B21D 3/10UGR1
.between rams and anvils or abutments
B21D 3/12UGR1
.by stretching with or without twisting (by twisting only B21D 11/14)
B21D 3/14UGR1
.Recontouring
B21D 3/16UGR1
.of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially-adapted methods or means
B21D 5/00HGRBending sheet metal along straight lines, e.g. to form simple curves (B21D 11/06-B21D 11/18 take precedence; corrugating sheet metal B21D 13/00; as edge treatment B21D 19/00)
B21D 5/01UGR1
.between rams and anvils or abutments
B21D 5/02UGR1
.on press brakes without making use of clamping means
B21D 5/04UGR1
.on brakes making use of clamping means on one side of the work
B21D 5/06UGR1
.by drawing procedure making use of dies or forming-rollers, e.g. making profiles
B21D 5/08UGR2
. .making use of forming-rollers (B21D 5/12 takes precedence)
B21D 5/10UGR2
. .for making tubes
B21D 5/12UGR3
. . .making use of forming-rollers
B21D 5/14UGR1
.by passing between rollers (B21D 5/06 takes precedence)
B21D 5/16UGR1
.Folding; Pleating
B21D 7/00HGRBending rods, profiles, or tubes (B21D 11/02-B21D 11/18 take precedence; using mandrels or the like B21D 9/00)
B21D 7/02UGR1
.over a stationary forming member; by use of a swinging forming member or abutment [2]
B21D 7/022UGR2
. .over a stationary forming member only [2]
B21D 7/024UGR2
. .by a swinging forming member
B21D 7/025UGR3
. . .and pulling or pushing the ends of the work
B21D 7/028UGR3
. . .and altering the profile at the same time, e.g. forming bumpers
B21D 7/03UGR2
. .Apparatus with means to keep the profile in shape
B21D 7/04UGR1
.over a movably-arranged forming member (B21D 7/02 takes precedence)
B21D 7/06UGR1
.in press brakes or between rams and anvils or abutments; Pliers with forming dies
B21D 7/08UGR1
.by passing between rollers or through a curved die
B21D 7/10UGR1
.by abutting members and flexible bending means, e.g. with chains, ropes
B21D 7/12UGR1
.with programme control
B21D 7/14UGR1
.combined with measuring of bends or lengths
B21D 7/16UGR1
.Auxiliary equipment, e.g. for heating or cooling of bends
B21D 9/00HGRBending tubes using mandrels or the like (B21D 11/02-B21D 11/18 take precedence)
B21D 9/01UGR1
.the mandrel being flexible and engaging the entire tube length
B21D 9/03UGR2
. .and built-up from loose elements, e.g. series of balls
B21D 9/04UGR1
.the mandrel being rigid [2]
B21D 9/05UGR1
.co-operating with forming members
B21D 9/07UGR2
. .with one or more swinging forming members engaging tube ends only
B21D 9/08UGR1
.in press brakes or between rams and anvils or abutments; Pliers with forming dies
B21D 9/10UGR1
.by passing between rollers
B21D 9/12UGR1
.by pushing over a curved mandrel; by pushing through a curved die
B21D 9/14UGR1
.Wrinkle-bending, i.e. bending by corrugating
B21D 9/15UGR1
.using filling material of indefinite shape, e.g. sand, plastic material (filling of tubes with such material B21D 9/16) [2]
B21D 9/16UGR1
.Auxiliary equipment, e.g. machines for filling tubes with sand
B21D 9/18UGR2
. .for heating or cooling of bends
B21D 11/00HGRBending not restricted to forms of material mentioned in only one of groups B21D 5/00, B21D 7/00, B21D 9/00; Bending not provided for in groups B21D 5/00-B21D 9/00 (corrugating or bending into wave form B21D 13/00, B21D 15/00; flanging B21D 19/00); Twisting [2]
B21D 11/02UGR1
.Bending by stretching or pulling over a die (working sheet metal of limited length by stretching B21D 25/00)
B21D 11/06UGR1
.Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form (making helically seamed tubing B21C 37/12)
B21D 11/07UGR2
. .Making serpentine-shaped articles by bending essentially in one plane
B21D 11/08UGR1
.Bending by altering the thickness of part of the cross-section of the work (B21D 11/06 takes precedence)
B21D 11/10UGR1
.Bending specially adapted to produce specific articles, e.g. leaf springs
B21D 11/12UGR2
. .the articles being reinforcements for concrete
B21D 11/14UGR1
.Twisting
B21D 11/15UGR2
. .Reinforcing rods for concrete
B21D 11/16UGR2
. .Crankshafts
B21D 11/18UGR1
.Joggling
B21D 11/20UGR1
.Bending sheet metal, not otherwise provided for
B21D 11/22UGR1
.Auxiliary equipment, e.g. positioning devices
B21D 13/00HGRCorrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form (tubes B21D 15/00)
B21D 13/02UGR1
.by pressing
B21D 13/04UGR1
.by rolling
B21D 13/06UGR1
.by drawing
B21D 13/08UGR1
.by combined methods
B21D 13/10UGR1
.into a peculiar profiling shape
B21D 15/00HGRCorrugating tubes (wrinkle-bending using mandrels or the like B21D 9/14) [2]
B21D 15/02UGR1
.longitudinally
B21D 15/03UGR2
. .by applying fluid pressure
B21D 15/04UGR1
.transversely, e.g. helically
B21D 15/06UGR2
. .annularly
B21D 15/10UGR2
. .by applying fluid pressure
B21D 15/12UGR1
.Bending tubes into wave form
B21D 17/00HGRForming single grooves in sheet metal or tubular or hollow articles
B21D 17/02UGR1
.by pressing (grooving or notching of bolts, studs, or the like B21K 1/54)
B21D 17/04UGR1
.by rolling
B21D 19/00HGRFlanging or other edge treatment, e.g. of tubes (connecting by making use of folds B21D 39/00; flaring out tube ends B21D 41/02)
B21D 19/02UGR1
.by continuously-acting tools moving along the edge (edge-curling B21D 19/12)
B21D 19/04UGR2
. .shaped as rollers
B21D 19/06UGR3
. . .working inwardly
B21D 19/08UGR1
.by single or successive action of pressing tools, e.g. vice jaws
B21D 19/10UGR2
. .working inwardly
B21D 19/12UGR1
.Edge-curling
B21D 19/14UGR2
. .Reinforcing edges, e.g. armouring same
B21D 19/16UGR1
.Reverse flanging of tube ends
B21D 21/00HGRCombined processes according to methods covered by groups B21D 1/00-B21D 19/00
B21D 22/00ZWStamping; Spinning; Deep-drawing; Working sheet metal of limited length by stretching; Punching
B21D 22/00HGRShaping without cutting, by stamping, spinning, or deep-drawing (otherwise than using rigid devices or tools or yieldable or resilient pads B21D 26/00)
B21D 22/02UGR1
.Stamping using rigid devices or tools
B21D 22/04UGR2
. .for dimpling (combined with perforating B21D 28/24)
B21D 22/06UGR2
. .having relatively-movable die parts
B21D 22/08UGR2
. .with die parts on rotating carriers
B21D 22/10UGR1
.Stamping using yieldable or resilient pads
B21D 22/12UGR2
. .using enclosed flexible chambers
B21D 22/14UGR1
.Spinning
B21D 22/16UGR2
. .over shaping mandrels or formers
B21D 22/18UGR2
. .using tools guided to produce the required profile
B21D 22/20UGR1
.Deep-drawing (special deep-drawing arrangements in, or in connection with, presses B21D 24/00)
B21D 22/21UGR2
. .without fixing the border of the blank [2]
B21D 22/22UGR2
. .with devices for holding the edge of the blanks (B21D 22/24-B21D 22/30 take precedence; shaping over a die without external former B21D 11/02)
B21D 22/24UGR2
. .involving two drawing operations having effects in opposite directions with respect to the blank
B21D 22/26UGR2
. .for making peculiarly, e.g. irregularly, shaped articles
B21D 22/28UGR2
. .of cylindrical articles using consecutive dies
B21D 22/30UGR2
. .to finish articles formed by deep-drawing
B21D 24/00HGRSpecial deep-drawing arrangements in, or in connection with, presses
B21D 24/02UGR1
.Die-cushions
B21D 24/04UGR1
.Blank holders; Mounting means therefor
B21D 24/06UGR2
. .Mechanically spring-loaded blank holders
B21D 24/08UGR2
. .Pneumatically or hydraulically loaded blank holders
B21D 24/10UGR1
.Devices controlling or operating blank holders independently, or in conjunction with dies
B21D 24/12UGR2
. .mechanically
B21D 24/14UGR2
. .pneumatically or hydraulically
B21D 24/16UGR1
.Additional equipment in association with the tools, e.g. for shearing, for trimming
B21D 25/00HGRWorking sheet metal of limited length by stretching, e.g. for straightening [2]
B21D 25/02UGR1
.by pulling over a die [2]
B21D 25/04UGR1
.Clamping arrangements [2]
B21D 26/00HGRShaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces (stamping using resilient pads B21D 22/10)
B21D 26/02UGR1
.by applying fluid pressure [2]
B21D 26/06UGR2
. .by shock waves
B21D 26/08UGR3
. . .generated by explosives, e.g. chemical explosives
B21D 26/10UGR3
. . .generated by evaporation, e.g. of wire, of liquids
B21D 26/12UGR3
. . .initiated by spark discharge [2]
B21D 26/14UGR1
.applying magnetic forces
B21D 28/00HGRShaping by press-cutting; Perforating
B21D 28/02UGR1
.Punching blanks or articles with or without obtaining scrap (cutting nails or pins from strips or sheet material B21G 3/26); Notching
B21D 28/04UGR2
. .Centering the work; Positioning the tools
B21D 28/06UGR2
. .Making more than one part out of the same blank; Scrapless working
B21D 28/08UGR3
. . .Zig-zag sequence working
B21D 28/10UGR2
. .Incompletely punching in such a manner that the parts are still coherent with the work
B21D 28/12UGR2
. .Punching using rotatable carriers
B21D 28/14UGR2
. .Dies (ejecting or stripping-off devices arranged in punching machines or tools B21D 45/00)
B21D 28/16UGR2
. .Shoulder or burr prevention
B21D 28/18UGR2
. .Yieldable, e.g. rubber, punching pads
B21D 28/20UGR2
. .Applications of drives
B21D 28/22UGR2
. .Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines
B21D 28/24UGR1
.Perforating, i.e. punching holes
B21D 28/26UGR2
. .in sheets or flat parts
B21D 28/28UGR2
. .in tubes or other hollow bodies
B21D 28/30UGR2
. .in annular parts, e.g. rims
B21D 28/32UGR2
. .in other articles of special shape
B21D 28/34UGR2
. .Perforating tools; Die holders
B21D 28/36UGR2
. .using rotatable work or tool holders
B21D 31/00ZWE
B21D 31/00HGROther methods for working sheet metal, metal tubes, metal profiles (deforming one surface of tubes helically by rolling B21H 3/00; upsetting B21J 5/08; working metal by removing material therefrom B23; embossing B44B)
B21D 31/02UGR1
.Stabbing or piercing, e.g. for making sieves (dimpling B21D 22/04; perforating by punching B21D 28/24)
B21D 31/04UGR1
.Expanding other than provided for in groups B21D 1/00-B21D 28/00, e.g. for making expanded metal (B21D 47/00 takes precedence; enlarging tube ends B21D 41/02) [2]
B21D 31/06UGR1
.Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J 7/00)
B21D 33/00HGRSpecial measures in connection with working metal foils, e.g. gold foils (cutting or perforating of metal foil analogous to paper B26)
B21D 35/00HGRCombined processes according to methods covered by groups B21D 1/00-B21D 31/00 (B21D 21/00 takes precedence)
B21D 37/00HGRTools as parts of machines covered by this subclass (forms or constructions of tools uniquely adapted for particular operations, see in the relevant groups for the operations)
B21D 37/01UGR1
.Selection of materials [2]
B21D 37/02UGR1
.Die constructions enabling assembly of the die parts in different ways (B21D 37/06 takes precedence)
B21D 37/04UGR1
.Movable or exchangeable mountings for tools
B21D 37/06UGR2
. .Pivotally-arranged tools, e.g. disengageable (die sets with dies pivoted to one another B21D 37/12)
B21D 37/08UGR1
.Dies with different parts for several steps in a process
B21D 37/10UGR1
.Die sets; Pillar guides
B21D 37/12UGR2
. .Particular guiding equipment; Special arrangements for interconnection or cooperation of dies
B21D 37/14UGR1
.Particular arrangements for handling and holding in place complete dies
B21D 37/16UGR1
.Heating or cooling
B21D 37/18UGR1
.Lubricating
B21D 37/20UGR1
.Making tools by operations not covered a single other subclass
B21D 39/00HGRApplication of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating (riveting B21J; uniting components by forging or pressing to form integral members B21K 25/00; welding B23K; press-fitting, force-fitting, or shrinking in general B23P 11/00, B23P 19/00; by adhesives F16B 11/00); Tube expanders
B21D 39/02UGR1
.of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
B21D 39/03UGR1
.of sheet metal otherwise than by folding [2]
B21D 39/04UGR1
.of tubes with tubes; of tubes with rods
B21D 39/06UGR1
.of tubes in openings, e.g. rolling-in
B21D 39/08UGR1
.Tube expanders
B21D 39/10UGR2
. .with rollers for expanding only
B21D 39/12UGR2
. .with rollers for expanding and flanging
B21D 39/14UGR2
. .with balls
B21D 39/16UGR2
. .with torque limiting devices
B21D 39/18UGR2
. .Rollers of special shape
B21D 39/20UGR2
. .with mandrels, e.g. expandable [2]
B21D 41/00HGRApplication of procedures in order to alter the diameter of tube ends (B21D 39/00 takes precedence)
B21D 41/02UGR1
.Enlarging
B21D 41/04UGR1
.Reducing; Closing
B21D 43/00HGRFeeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices (cutting devices associated with the tool, see the relevant group for the tool)
B21D 43/02UGR1
.Advancing work in relation to the stroke of the die or tool
B21D 43/04UGR2
. .by means in mechanical engagement with the work
B21D 43/05UGR3
. . .specially adapted for multi-stage presses
B21D 43/06UGR3
. . .by positive or negative engaging parts co-operating with corresponding parts of the sheet or the like to be processed, e.g. carrier bolts or grooved section in the carriers
B21D 43/08UGR3
. . .by rollers
B21D 43/09UGR4
. . . .by one or more pairs of rollers for feeding sheet or strip material [2]
B21D 43/10UGR3
. . .by grippers
B21D 43/11UGR4
. . . .for feeding sheet or strip material [2]
B21D 43/12UGR3
. . .by chains or belts
B21D 43/13UGR3
. . .by linearly moving tables [2]
B21D 43/14UGR3
. . .by turning devices, e.g. turn-tables
B21D 43/16UGR2
. .by gravity, e.g. chutes
B21D 43/18UGR2
. .by means in pneumatic or magnetic engagement with the work
B21D 43/20UGR1
.Storage arrangements; Piling or unpiling (in general B65G)
B21D 43/22UGR2
. .Devices for piling sheets
B21D 43/24UGR2
. .Devices for removing sheets from a stack
B21D 43/26UGR1
.Stops
B21D 43/28UGR1
.Associations of cutting devices therewith
B21D 45/00HGREjecting or stripping-off devices arranged in machines or tools dealt with in this subclass
B21D 45/02UGR1
.Ejecting devices [2]
B21D 45/04UGR2
. .interrelated with motion of tool [2]
B21D 45/06UGR1
.Stripping-off devices [2]
B21D 45/08UGR2
. .interrelated with motion of tool [2]
B21D 45/10UGR1
.Combined ejecting and stripping-off devices [2]
B21D 47/00ZWProcessing sheet metal or metal tubes, or processing metal profiles according to any of groups B21D 1/00-B21D 45/00, in the manufacture of finished or semi-finished articles
B21D 47/00HGRMaking rigid structural elements or units, e.g. honeycomb structures
B21D 47/01UGR1
.beams or pillars [2]
B21D 47/02UGR2
. .by expanding [2]
B21D 47/04UGR1
.composite sheet metal profiles
B21D 49/00HGRSheathing or stiffening objects (by winding wire or tape thereon B65H 54/00, B65H 81/00; specially adapted for manufacturing conductors or cables H01B 13/26)
B21D 51/00HGRMaking hollow objects (from thick-walled or non-uniform tubes B21K 21/00)
B21D 51/02UGR1
.not characterised by the particular use (cans or tins B21D 51/26)
B21D 51/04UGR2
. .built-up objects, e.g. objects with rigidly-attached bottom or cover
B21D 51/06UGR2
. .folded objects
B21D 51/08UGR2
. .ball-shaped objects
B21D 51/10UGR2
. .conically or cylindrically shaped objects
B21D 51/12UGR2
. .objects with corrugated walls
B21D 51/14UGR2
. .Flattening hollow objects for transport or storage; Re-forming same (making tubes from doubled flat material B21C 37/14)
B21D 51/16UGR1
.characterised by the particular structure or use (making heat exchangers B21D 53/02)
B21D 51/18UGR2
. .vessels, e.g. tubs, vats, tanks, sinks, or the like
B21D 51/20UGR3
. . .barrels
B21D 51/22UGR3
. . .pots, e.g. for cooking
B21D 51/24UGR2
. .high-pressure containers, e.g. boilers, bottles
B21D 51/26UGR2
. .cans or tins; Closing same in a permanent manner (making outlet arrangements B21D 51/38; welding or soldering B23K) [2]
B21D 51/28UGR3
. . .Folding the longitudinal seam
B21D 51/30UGR3
. . .Folding the circumferential seam
B21D 51/32UGR4
. . . .by rolling
B21D 51/34UGR4
. . . .by pressing
B21D 51/36UGR2
. .collapsible or like thin-walled tubes, e.g. for toothpaste
B21D 51/38UGR2
. .Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels
B21D 51/40UGR3
. . .Making outlet openings, e.g. bung holes
B21D 51/42UGR4
. . . .Making or attaching spouts
B21D 51/44UGR3
. . .Making closures, e.g. caps (folded of thin metal foils in the way of making paper caps B31D 5/00; making closures in conjunction with applying same B67B)
B21D 51/46UGR4
. . . .Placing sealings or sealing material
B21D 51/48UGR4
. . . .Making crown caps
B21D 51/50UGR4
. . . .Making screw caps
B21D 51/52UGR2
. .boxes, cigarette cases, or the like
B21D 51/54UGR2
. .cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants
B21D 53/00HGRMaking other particular articles (making wire fabrics B21F; making chains or chain parts B21L)
B21D 53/02UGR1
.heat exchangers, e.g. radiators, condensers (making finned or ribbed tubes by fixing strip material or the like to tubes B21C 37/22) [2]
B21D 53/04UGR2
. .of sheet metal
B21D 53/06UGR2
. .of metal tubes
B21D 53/08UGR2
. .of both metal tubes and sheet metal (connecting tubes in openings B21D 39/06)
B21D 53/10UGR1
.parts of bearings; sleeves; valve seats or the like
B21D 53/12UGR2
. .cages for bearings
B21D 53/14UGR1
.belts, e.g. machine-gun belts
B21D 53/16UGR1
.rings, e.g. barrel hoops
B21D 53/18UGR2
. .of hollow or C-shaped cross-section, e.g. for curtains, for eyelets
B21D 53/20UGR2
. .washers, e.g. for sealing
B21D 53/22UGR3
. . .with means for preventing rotation
B21D 53/24UGR1
.nuts or like thread-engaging members
B21D 53/26UGR1
.wheels or the like
B21D 53/28UGR2
. .gear wheels
B21D 53/30UGR2
. .wheel rims
B21D 53/32UGR2
. .wheel covers
B21D 53/34UGR2
. .brake drums
B21D 53/36UGR1
.clips, clamps, or like fastening or attaching devices, e.g. for electric installation
B21D 53/38UGR1
.locksmith's goods, e.g. handles
B21D 53/40UGR2
. .hinges, e.g. door hinge plates
B21D 53/42UGR2
. .keys
B21D 53/44UGR1
.fancy goods, e.g. jewellery products
B21D 53/46UGR1
.haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
B21D 53/48UGR2
. .buttons, e.g. press-buttons, snap fasteners
B21D 53/50UGR2
. .metal slide-fastener parts
B21D 53/52UGR3
. . .fastener elements; Attaching such elements so far as this procedure is combined with the process for making the elements
B21D 53/54UGR3
. . .slides
B21D 53/56UGR3
. . .stops
B21D 53/58UGR1
.end-pieces for laces or ropes
B21D 53/60UGR1
.cutlery wares; garden tools or the like
B21D 53/62UGR2
. .spoons; table forks
B21D 53/64UGR2
. .knives; scissors; cutting blades (B21D 53/72 takes precedence; handle portions B21D 53/70)
B21D 53/66UGR2
. .spades; shovels (handle portions B21D 53/70)
B21D 53/68UGR2
. .rakes, garden forks, or the like (handle portions B21D 53/70)
B21D 53/70UGR2
. .handle portions (B21D 53/72 takes precedence)
B21D 53/72UGR2
. .sickles; scythes
B21D 53/74UGR1
.frames for openings, e.g. for windows, doors, handbags
B21D 53/76UGR1
.writing or drawing instruments, e.g. writing pens, erasing pens
B21D 53/78UGR1
.propeller blades; turbine blades
B21D 53/80UGR1
.dustproof covers; safety covers
B21D 53/82UGR1
.perforated music sheets; pattern sheets, e.g. for control purposes, stencils
B21D 53/84UGR1
.other parts for engines, e.g. connecting-rods
B21D 53/86UGR1
.other parts for bicycles or motorcycles
B21D 53/88UGR1
.other parts for vehicles, e.g. cowlings, mudguards
B21D 53/90UGR2
. .axle-housings
B21D 53/92UGR1
.other parts for aircraft
B21D 55/00ZWE
B21D 55/00HGRSafety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass (for presses in general B30B; safety devices in general F16P)