<titlePart> <text>SECTION B <emdash/> PERFORMING OPERATIONS</text> </titlePart> <titlePart> <text>TRANSPORTING</text> </titlePart> LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION Method General operations by centrifugal force, using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force, using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/LIQUID OR SOLID/GAS SEPARATION Method General operations by centrifugal force using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/SOLID SEPARATION Method Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods Apparatus Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus , Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods <titlePart> <text>SHAPING</text> </titlePart> <titlePart> <text>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL</text> </titlePart> <titlePart> <text>PUNCHING METAL</text> <entryReference>casting, powder metallurgy <sref ref="B22"/></entryReference> <entryReference>shearing <sref ref="B23D"/></entryReference> <entryReference>working of metal by the action of a high concentration of electric current <sref ref="B23H"/></entryReference> <entryReference>soldering, welding, flame-cutting <sref ref="B23K"/></entryReference> <entryReference>other working of metal <sref ref="B23P"/></entryReference> <entryReference>punching sheet material in general <sref ref="B26F"/></entryReference> <entryReference>processes for changing of physical properties of metals <sref ref="C21D"/>, <sref ref="C22F"/></entryReference> <entryReference>electroforming <sref ref="C25D0001000000"/></entryReference> </titlePart> This class does not cover: combinations of operations covered by different subclasses of class , which are covered by subclass ; combinations of operations covered by any particular subclass of class with operations covered by other classes, e.g. with operations involving removal of material, which are also covered by subclass , except that if the operations covered by the other classes are subsidiary to the operations properly covered by a single subclass of the combination is classified in that subclass. Processes of a kind covered by this class but applied to non-metallic materials are classified in this class if they are applicable to metal and cannot be classified fully in another class. <titlePart> <text>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</text> </titlePart> <titlePart> <text>PUNCHING</text> <entryReference>operations of the kind involved in the manufacture of such products <sref ref="B21B"/>, <sref ref="B21C"/></entryReference> <entryReference>working or processing of wire <sref ref="B21F"/></entryReference> <entryReference>cutting or severing devices or machines in general <sref ref="B26"/></entryReference> <entryReference>presses in general <sref ref="B30B"/></entryReference> </titlePart> This subclass covers cutting or perforating of sheet metal or other stock material. This subclass does not cover the working of metal foils in a manner analogous to the working of paper, which is covered by classes , . TREATMENT CHARACTERISED BY FUNCTION Straightening , , Bending of sheets , of rods , of tubes , Twisting Corrugating or grooving or bending into waves , , Punching, stamping, deep- drawing, spinning, high-energy forming EDGE TREATMENT; CONNECTION OF PARTS , ; OTHER METHODS , , COMBINED PROCESSES , HANDLING , OTHER AUXILIARY OPERATIONS TOOLS SAFETY SPECIAL TREATMENT FOR THE MANUFACTURE OF SPECIFIED ARTICLES <titlePart> <text>Straightening</text> </titlePart> <titlePart> <text>Restoring form</text> </titlePart> <titlePart> <text>Bending</text> </titlePart> <titlePart> <text>Corrugating</text> </titlePart> <titlePart> <text>Flanging</text> </titlePart> <titlePart> <text>Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom</text> <entryReference><sref ref="B21D0003000000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Stretching sheet metal combined with rolling</text> <entryReference>working sheet metal of limited length by stretching <sref ref="B21D0025000000"/></entryReference> <entryReference>by localised hammering <sref ref="B21D0031060000"/></entryReference> </titlePart> <titlePart> <text>by rollers</text> <entryReference><sref ref="B21D0001060000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Stretching combined with rolling</text> </titlePart> <titlePart> <text>Removing local distortions</text> </titlePart> <titlePart> <text>of hollow bodies made from sheet metal</text> <entryReference>of substantially open bodies <sref ref="B21D0001100000"/></entryReference> </titlePart> <titlePart> <text>of specific articles made from sheet metal, e.g. mudguards</text> </titlePart> <titlePart> <text>Straightening vehicle body parts or bodies</text> <entryReference><sref ref="B21D0001140000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Straightening frame structures</text> </titlePart> <titlePart> <text>Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts</text> <entryReference>straightening of well casings <u>in situ</u><sref ref="E21B"/></entryReference> </titlePart> <titlePart> <text>by rollers</text> </titlePart> <titlePart> <text>arranged on axes skew to the path of the work</text> </titlePart> <titlePart> <text>arranged on axes rectangular to the path of the work</text> </titlePart> <titlePart> <text>arranged inclined to a revolving flier rolling frame</text> </titlePart> <titlePart> <text>which move in an orbit without rotating round the work</text> </titlePart> <titlePart> <text>between rams and anvils or abutments</text> </titlePart> <titlePart> <text>by stretching with or without twisting</text> <entryReference>by twisting only <sref ref="B21D0011140000"/></entryReference> </titlePart> <titlePart> <text>Recontouring</text> </titlePart> <titlePart> <text>of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially-adapted methods or means</text> </titlePart> <titlePart> <text>Bending sheet metal along straight lines, e.g. to form simple curves</text> <entryReference><mref ref="B21D0011060000" endRef="B21D0011180000"/> take precedence</entryReference> <entryReference>corrugating sheet metal <sref ref="B21D0013000000"/></entryReference> <entryReference>as edge treatment <sref ref="B21D0019000000"/></entryReference> </titlePart> <titlePart> <text>between rams and anvils or abutments</text> </titlePart> <titlePart> <text>on press brakes without making use of clamping means</text> </titlePart> <titlePart> <text>on brakes making use of clamping means on one side of the work</text> </titlePart> <titlePart> <text>by drawing procedure making use of dies or forming-rollers, e.g. making profiles</text> </titlePart> <titlePart> <text>making use of forming-rollers</text> <entryReference><sref ref="B21D0005120000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>for making tubes</text> </titlePart> <titlePart> <text>making use of forming-rollers</text> </titlePart> <titlePart> <text>by passing between rollers</text> <entryReference><sref ref="B21D0005060000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Folding</text> </titlePart> <titlePart> <text>Pleating</text> </titlePart> <titlePart> <text>Bending rods, profiles, or tubes</text> <entryReference><mref ref="B21D0011020000" endRef="B21D0011180000"/> take precedence</entryReference> <entryReference>using mandrels or the like <sref ref="B21D0009000000"/></entryReference> </titlePart> <titlePart> <text>over a stationary forming member</text> </titlePart> <titlePart> <text>by use of a swinging forming member or abutment</text> </titlePart> <titlePart> <text>over a stationary forming member only</text> </titlePart> <titlePart> <text>by a swinging forming member</text> </titlePart> <titlePart> <text>and pulling or pushing the ends of the work</text> </titlePart> <titlePart> <text>and altering the profile at the same time, e.g. forming bumpers</text> </titlePart> <titlePart> <text>Apparatus with means to keep the profile in shape</text> </titlePart> <titlePart> <text>over a movably-arranged forming member</text> <entryReference><sref ref="B21D0007020000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>in press brakes or between rams and anvils or abutments</text> </titlePart> <titlePart> <text>Pliers with forming dies</text> </titlePart> <titlePart> <text>by passing between rollers or through a curved die</text> </titlePart> <titlePart> <text>by abutting members and flexible bending means, e.g. with chains, ropes</text> </titlePart> <titlePart> <text>with programme control</text> </titlePart> <titlePart> <text>combined with measuring of bends or lengths</text> </titlePart> <titlePart> <text>Auxiliary equipment, e.g. for heating or cooling of bends</text> </titlePart> <titlePart> <text>Bending tubes using mandrels or the like</text> <entryReference><mref ref="B21D0011020000" endRef="B21D0011180000"/> take precedence</entryReference> </titlePart> <titlePart> <text>the mandrel being flexible and engaging the entire tube length</text> </titlePart> <titlePart> <text>and built-up from loose elements, e.g. series of balls</text> </titlePart> <titlePart> <text>the mandrel being rigid</text> </titlePart> <titlePart> <text>co-operating with forming members</text> </titlePart> <titlePart> <text>with one or more swinging forming members engaging tube ends only</text> </titlePart> <titlePart> <text>in press brakes or between rams and anvils or abutments</text> </titlePart> <titlePart> <text>Pliers with forming dies</text> </titlePart> <titlePart> <text>by passing between rollers</text> </titlePart> <titlePart> <text>by pushing over a curved mandrel</text> </titlePart> <titlePart> <text>by pushing through a curved die</text> </titlePart> <titlePart> <text>Wrinkle-bending, i.e. bending by corrugating</text> </titlePart> <titlePart> <text>using filling material of indefinite shape, e.g. sand, plastic material</text> <entryReference>filling of tubes with such material <sref ref="B21D0009160000"/></entryReference> </titlePart> <titlePart> <text>Auxiliary equipment, e.g. machines for filling tubes with sand</text> </titlePart> <titlePart> <text>for heating or cooling of bends</text> </titlePart> <titlePart> <text>Bending not restricted to forms of material mentioned in only one of groups <sref ref="B21D0005000000"/>, <sref ref="B21D0007000000"/>, <sref ref="B21D0009000000"/></text> </titlePart> <titlePart> <text>Bending not provided for in groups <mref ref="B21D0005000000" endRef="B21D0009000000"/></text> <entryReference>corrugating or bending into wave form <sref ref="B21D0013000000"/>, <sref ref="B21D0015000000"/></entryReference> <entryReference>flanging <sref ref="B21D0019000000"/></entryReference> </titlePart> <titlePart> <text>Twisting</text> </titlePart> <titlePart> <text>Bending by stretching or pulling over a die</text> <entryReference>working sheet metal of limited length by stretching <sref ref="B21D0025000000"/></entryReference> </titlePart> <titlePart> <text>Bending into helical or spiral form</text> </titlePart> <titlePart> <text>Forming a succession of return bends, e.g. serpentine form</text> <entryReference>making helically seamed tubing <sref ref="B21C0037120000"/></entryReference> </titlePart> <titlePart> <text>Making serpentine-shaped articles by bending essentially in one plane</text> </titlePart> <titlePart> <text>Bending by altering the thickness of part of the cross-section of the work</text> <entryReference><sref ref="B21D0011060000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Bending specially adapted to produce specific articles, e.g. leaf springs</text> </titlePart> <titlePart> <text>the articles being reinforcements for concrete</text> </titlePart> <titlePart> <text>Twisting</text> </titlePart> <titlePart> <text>Reinforcing rods for concrete</text> </titlePart> <titlePart> <text>Crankshafts</text> </titlePart> <titlePart> <text>Joggling</text> </titlePart> <titlePart> <text>Bending sheet metal, not otherwise provided for</text> </titlePart> <titlePart> <text>Auxiliary equipment, e.g. positioning devices</text> </titlePart> <titlePart> <text>Corrugating sheet metal, rods or profiles</text> </titlePart> <titlePart> <text>Bending sheet metal, rods or profiles into wave form</text> <entryReference>tubes <sref ref="B21D0015000000"/></entryReference> </titlePart> <titlePart> <text>by pressing</text> </titlePart> <titlePart> <text>by rolling</text> </titlePart> <titlePart> <text>by drawing</text> </titlePart> <titlePart> <text>by combined methods</text> </titlePart> <titlePart> <text>into a peculiar profiling shape</text> </titlePart> <titlePart> <text>Corrugating tubes</text> <entryReference>wrinkle-bending using mandrels or the like <sref ref="B21D0009140000"/></entryReference> </titlePart> <titlePart> <text>longitudinally</text> </titlePart> <titlePart> <text>by applying fluid pressure</text> </titlePart> <titlePart> <text>transversely, e.g. helically</text> </titlePart> <titlePart> <text>annularly</text> </titlePart> <titlePart> <text>by applying fluid pressure</text> </titlePart> <titlePart> <text>Bending tubes into wave form</text> </titlePart> <titlePart> <text>Forming single grooves in sheet metal or tubular or hollow articles</text> </titlePart> <titlePart> <text>by pressing</text> <entryReference>grooving or notching of bolts, studs, or the like <sref ref="B21K0001540000"/></entryReference> </titlePart> <titlePart> <text>by rolling</text> </titlePart> <titlePart> <text>Flanging or other edge treatment, e.g. of tubes</text> <entryReference>connecting by making use of folds <sref ref="B21D0039000000"/></entryReference> <entryReference>flaring out tube ends <sref ref="B21D0041020000"/></entryReference> </titlePart> <titlePart> <text>by continuously-acting tools moving along the edge</text> <entryReference>edge-curling <sref ref="B21D0019120000"/></entryReference> </titlePart> <titlePart> <text>shaped as rollers</text> </titlePart> <titlePart> <text>working inwardly</text> </titlePart> <titlePart> <text>by single or successive action of pressing tools, e.g. vice jaws</text> </titlePart> <titlePart> <text>working inwardly</text> </titlePart> <titlePart> <text>Edge-curling</text> </titlePart> <titlePart> <text>Reinforcing edges, e.g. armouring same</text> </titlePart> <titlePart> <text>Reverse flanging of tube ends</text> </titlePart> <titlePart> <text>Combined processes according to methods covered by groups <mref ref="B21D0001000000" endRef="B21D0019000000"/></text> </titlePart> <titlePart> <text>Stamping</text> </titlePart> <titlePart> <text>Spinning</text> </titlePart> <titlePart> <text>Deep-drawing</text> </titlePart> <titlePart> <text>Working sheet metal of limited length by stretching</text> </titlePart> <titlePart> <text>Punching</text> </titlePart> <titlePart> <text>Shaping without cutting, by stamping, spinning, or deep-drawing</text> <entryReference>otherwise than using rigid devices or tools or yieldable or resilient pads <sref ref="B21D0026000000"/></entryReference> </titlePart> <titlePart> <text>Stamping using rigid devices or tools</text> </titlePart> <titlePart> <text>for dimpling</text> <entryReference>combined with perforating <sref ref="B21D0028240000"/></entryReference> </titlePart> <titlePart> <text>having relatively-movable die parts</text> </titlePart> <titlePart> <text>with die parts on rotating carriers</text> </titlePart> <titlePart> <text>Stamping using yieldable or resilient pads</text> </titlePart> <titlePart> <text>using enclosed flexible chambers</text> </titlePart> <titlePart> <text>Spinning</text> </titlePart> <titlePart> <text>over shaping mandrels or formers</text> </titlePart> <titlePart> <text>using tools guided to produce the required profile</text> </titlePart> <titlePart> <text>Deep-drawing</text> <entryReference>special deep-drawing arrangements in, or in connection with, presses <sref ref="B21D0024000000"/></entryReference> </titlePart> <titlePart> <text>without fixing the border of the blank</text> </titlePart> <titlePart> <text>with devices for holding the edge of the blanks</text> <entryReference><mref ref="B21D0022240000" endRef="B21D0022300000"/> take precedence</entryReference> <entryReference>shaping over a die without external former <sref ref="B21D0011020000"/></entryReference> </titlePart> <titlePart> <text>involving two drawing operations having effects in opposite directions with respect to the blank</text> </titlePart> <titlePart> <text>for making peculiarly, e.g. irregularly, shaped articles</text> </titlePart> <titlePart> <text>of cylindrical articles using consecutive dies</text> </titlePart> <titlePart> <text>to finish articles formed by deep-drawing</text> </titlePart> <titlePart> <text>Special deep-drawing arrangements in, or in connection with, presses</text> </titlePart> <titlePart> <text>Die-cushions</text> </titlePart> <titlePart> <text>Blank holders</text> </titlePart> <titlePart> <text>Mounting means therefor</text> </titlePart> <titlePart> <text>Mechanically spring-loaded blank holders</text> </titlePart> <titlePart> <text>Pneumatically or hydraulically loaded blank holders</text> </titlePart> <titlePart> <text>Devices controlling or operating blank holders independently, or in conjunction with dies</text> </titlePart> <titlePart> <text>mechanically</text> </titlePart> <titlePart> <text>pneumatically or hydraulically</text> </titlePart> <titlePart> <text>Additional equipment in association with the tools, e.g. for shearing, for trimming</text> </titlePart> <titlePart> <text>Working sheet metal of limited length by stretching, e.g. for straightening</text> </titlePart> <titlePart> <text>by pulling over a die</text> </titlePart> <titlePart> <text>Clamping arrangements</text> </titlePart> <titlePart> <text>Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces</text> <entryReference>stamping using resilient pads <sref ref="B21D0022100000"/></entryReference> </titlePart> <titlePart> <text>by applying fluid pressure</text> </titlePart> <titlePart> <text>by shock waves</text> </titlePart> <titlePart> <text>generated by explosives, e.g. chemical explosives</text> </titlePart> <titlePart> <text>generated by evaporation, e.g. of wire, of liquids</text> </titlePart> <titlePart> <text>initiated by spark discharge</text> </titlePart> <titlePart> <text>applying magnetic forces</text> </titlePart> <titlePart> <text>Shaping by press-cutting</text> </titlePart> <titlePart> <text>Perforating</text> </titlePart> <titlePart> <text>Punching blanks or articles with or without obtaining scrap</text> <entryReference>cutting nails or pins from strips or sheet material <sref ref="B21G0003260000"/></entryReference> </titlePart> <titlePart> <text>Notching</text> </titlePart> <titlePart> <text>Centering the work</text> </titlePart> <titlePart> <text>Positioning the tools</text> </titlePart> <titlePart> <text>Making more than one part out of the same blank</text> </titlePart> <titlePart> <text>Scrapless working</text> </titlePart> <titlePart> <text>Zig-zag sequence working</text> </titlePart> <titlePart> <text>Incompletely punching in such a manner that the parts are still coherent with the work</text> </titlePart> <titlePart> <text>Punching using rotatable carriers</text> </titlePart> <titlePart> <text>Dies</text> <entryReference>ejecting or stripping-off devices arranged in punching machines or tools <sref ref="B21D0045000000"/></entryReference> </titlePart> <titlePart> <text>Shoulder or burr prevention</text> </titlePart> <titlePart> <text>Yieldable, e.g. rubber, punching pads</text> </titlePart> <titlePart> <text>Applications of drives</text> </titlePart> <titlePart> <text>Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines</text> </titlePart> <titlePart> <text>Perforating, i.e. punching holes</text> </titlePart> <titlePart> <text>in sheets or flat parts</text> </titlePart> <titlePart> <text>in tubes or other hollow bodies</text> </titlePart> <titlePart> <text>in annular parts, e.g. rims</text> </titlePart> <titlePart> <text>in other articles of special shape</text> </titlePart> <titlePart> <text>Perforating tools</text> </titlePart> <titlePart> <text>Die holders</text> </titlePart> <titlePart> <text>using rotatable work or tool holders</text> </titlePart> <titlePart> <text>Other methods for working sheet metal, metal tubes, metal profiles</text> <entryReference>deforming one surface of tubes helically by rolling <sref ref="B21H0003000000"/></entryReference> <entryReference>upsetting <sref ref="B21J0005080000"/></entryReference> <entryReference>working metal by removing material therefrom <sref ref="B23"/></entryReference> <entryReference>embossing <sref ref="B44B"/></entryReference> </titlePart> <titlePart> <text>Stabbing or piercing, e.g. for making sieves</text> <entryReference>dimpling <sref ref="B21D0022040000"/></entryReference> <entryReference>perforating by punching <sref ref="B21D0028240000"/></entryReference> </titlePart> <titlePart> <text>Expanding other than provided for in groups <mref ref="B21D0001000000" endRef="B21D0028000000"/>, e.g. for making expanded metal</text> <entryReference><sref ref="B21D0047000000"/> takes precedence</entryReference> <entryReference>enlarging tube ends <sref ref="B21D0041020000"/></entryReference> </titlePart> <titlePart> <text>Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming</text> <entryReference>forging hammers <sref ref="B21J0007000000"/></entryReference> </titlePart> <titlePart> <text>Special measures in connection with working metal foils, e.g. gold foils</text> <entryReference>cutting or perforating of metal foil analogous to paper <sref ref="B26"/></entryReference> </titlePart> <titlePart> <text>Combined processes according to methods covered by groups <mref ref="B21D0001000000" endRef="B21D0031000000"/></text> <entryReference><sref ref="B21D0021000000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Tools as parts of machines covered by this subclass</text> <entryReference>forms or constructions of tools uniquely adapted for particular operations, <u>see</u> in the relevant groups for the operations</entryReference> </titlePart> <titlePart> <text>Selection of materials</text> </titlePart> <titlePart> <text>Die constructions enabling assembly of the die parts in different ways</text> <entryReference><sref ref="B21D0037060000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Movable or exchangeable mountings for tools</text> </titlePart> <titlePart> <text>Pivotally-arranged tools, e.g. disengageable</text> <entryReference>die sets with dies pivoted to one another <sref ref="B21D0037120000"/></entryReference> </titlePart> <titlePart> <text>Dies with different parts for several steps in a process</text> </titlePart> <titlePart> <text>Die sets</text> </titlePart> <titlePart> <text>Pillar guides</text> </titlePart> <titlePart> <text>Particular guiding equipment</text> </titlePart> <titlePart> <text>Special arrangements for interconnection or cooperation of dies</text> </titlePart> <titlePart> <text>Particular arrangements for handling and holding in place complete dies</text> </titlePart> <titlePart> <text>Heating or cooling</text> </titlePart> <titlePart> <text>Lubricating</text> </titlePart> <titlePart> <text>Making tools by operations not covered a single other subclass</text> </titlePart> <titlePart> <text>Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating</text> <entryReference>riveting <sref ref="B21J"/></entryReference> <entryReference>uniting components by forging or pressing to form integral members <sref ref="B21K0025000000"/></entryReference> <entryReference>welding <sref ref="B23K"/></entryReference> <entryReference>press-fitting, force-fitting, or shrinking in general <sref ref="B23P0011000000"/>, <sref ref="B23P0019000000"/></entryReference> <entryReference>by adhesives <sref ref="F16B0011000000"/></entryReference> </titlePart> <titlePart> <text>Tube expanders</text> </titlePart> <titlePart> <text>of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder</text> </titlePart> <titlePart> <text>of sheet metal otherwise than by folding</text> </titlePart> <titlePart> <text>of tubes with tubes</text> </titlePart> <titlePart> <text>of tubes with rods</text> </titlePart> <titlePart> <text>of tubes in openings, e.g. rolling-in</text> </titlePart> <titlePart> <text>Tube expanders</text> </titlePart> <titlePart> <text>with rollers for expanding only</text> </titlePart> <titlePart> <text>with rollers for expanding and flanging</text> </titlePart> <titlePart> <text>with balls</text> </titlePart> <titlePart> <text>with torque limiting devices</text> </titlePart> <titlePart> <text>Rollers of special shape</text> </titlePart> <titlePart> <text>with mandrels, e.g. expandable</text> </titlePart> <titlePart> <text>Application of procedures in order to alter the diameter of tube ends</text> <entryReference><sref ref="B21D0039000000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Enlarging</text> </titlePart> <titlePart> <text>Reducing</text> </titlePart> <titlePart> <text>Closing</text> </titlePart> <titlePart> <text>Feeding, 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</text> </titlePart> <titlePart> <text>Associations therewith of cutting devices</text> <entryReference>cutting devices associated with the tool, <u>see</u> the relevant group for the tool</entryReference> </titlePart> <titlePart> <text>Advancing work in relation to the stroke of the die or tool</text> </titlePart> <titlePart> <text>by means in mechanical engagement with the work</text> </titlePart> <titlePart> <text>specially adapted for multi-stage presses</text> </titlePart> <titlePart> <text>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</text> </titlePart> <titlePart> <text>by rollers</text> </titlePart> <titlePart> <text>by one or more pairs of rollers for feeding sheet or strip material</text> </titlePart> <titlePart> <text>by grippers</text> </titlePart> <titlePart> <text>for feeding sheet or strip material</text> </titlePart> <titlePart> <text>by chains or belts</text> </titlePart> <titlePart> <text>by linearly moving tables</text> </titlePart> <titlePart> <text>by turning devices, e.g. turn-tables</text> </titlePart> <titlePart> <text>by gravity, e.g. chutes</text> </titlePart> <titlePart> <text>by means in pneumatic or magnetic engagement with the work</text> </titlePart> <titlePart> <text>Storage arrangements</text> </titlePart> <titlePart> <text>Piling or unpiling</text> <entryReference>in general <sref ref="B65G"/></entryReference> </titlePart> <titlePart> <text>Devices for piling sheets</text> </titlePart> <titlePart> <text>Devices for removing sheets from a stack</text> </titlePart> <titlePart> <text>Stops</text> </titlePart> <titlePart> <text>Associations of cutting devices therewith</text> </titlePart> <titlePart> <text>Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass</text> </titlePart> <titlePart> <text>Ejecting devices</text> </titlePart> <titlePart> <text>interrelated with motion of tool</text> </titlePart> <titlePart> <text>Stripping-off devices</text> </titlePart> <titlePart> <text>interrelated with motion of tool</text> </titlePart> <titlePart> <text>Combined ejecting and stripping-off devices</text> </titlePart> <titlePart> <text>Processing sheet metal or metal tubes, or processing metal profiles according to any of groups <mref ref="B21D0001000000" endRef="B21D0045000000"/>, in the manufacture of finished or semi-finished articles</text> </titlePart> <titlePart> <text>Making rigid structural elements or units, e.g. honeycomb structures</text> </titlePart> <titlePart> <text>beams or pillars</text> </titlePart> <titlePart> <text>by expanding</text> </titlePart> <titlePart> <text>composite sheet metal profiles</text> </titlePart> <titlePart> <text>Sheathing or stiffening objects</text> <entryReference>by winding wire or tape thereon <sref ref="B65H0054000000"/>, <sref ref="B65H0081000000"/></entryReference> <entryReference>specially adapted for manufacturing conductors or cables <sref ref="H01B0013260000"/></entryReference> </titlePart> <titlePart> <text>Making hollow objects</text> <entryReference>from thick-walled or non-uniform tubes <sref ref="B21K0021000000"/></entryReference> </titlePart> <titlePart> <text>not characterised by the particular use</text> <entryReference>cans or tins <sref ref="B21D0051260000"/></entryReference> </titlePart> <titlePart> <text>built-up objects, e.g. objects with rigidly-attached bottom or cover</text> </titlePart> <titlePart> <text>folded objects</text> </titlePart> <titlePart> <text>ball-shaped objects</text> </titlePart> <titlePart> <text>conically or cylindrically shaped objects</text> </titlePart> <titlePart> <text>objects with corrugated walls</text> </titlePart> <titlePart> <text>Flattening hollow objects for transport or storage</text> </titlePart> <titlePart> <text>Re-forming same</text> <entryReference>making tubes from doubled flat material <sref ref="B21C0037140000"/></entryReference> </titlePart> <titlePart> <text>characterised by the particular structure or use</text> <entryReference>making heat exchangers <sref ref="B21D0053020000"/></entryReference> </titlePart> <titlePart> <text>vessels, e.g. tubs, vats, tanks, sinks, or the like</text> </titlePart> <titlePart> <text>barrels</text> </titlePart> <titlePart> <text>pots, e.g. for cooking</text> </titlePart> <titlePart> <text>high-pressure containers, e.g. boilers, bottles</text> </titlePart> <titlePart> <text>cans or tins</text> </titlePart> <titlePart> <text>Closing same in a permanent manner</text> <entryReference>making outlet arrangements <sref ref="B21D0051380000"/></entryReference> <entryReference>welding or soldering <sref ref="B23K"/></entryReference> </titlePart> <titlePart> <text>Folding the longitudinal seam</text> </titlePart> <titlePart> <text>Folding the circumferential seam</text> </titlePart> <titlePart> <text>by rolling</text> </titlePart> <titlePart> <text>by pressing</text> </titlePart> <titlePart> <text>collapsible or like thin-walled tubes, e.g. for toothpaste</text> </titlePart> <titlePart> <text>Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels</text> </titlePart> <titlePart> <text>Making outlet openings, e.g. bung holes</text> </titlePart> <titlePart> <text>Making or attaching spouts</text> </titlePart> <titlePart> <text>Making closures, e.g. caps</text> <entryReference>folded of thin metal foils in the way of making paper caps <sref ref="B31D0005000000"/></entryReference> <entryReference>making closures in conjunction with applying same <sref ref="B67B"/></entryReference> </titlePart> <titlePart> <text>Placing sealings or sealing material</text> </titlePart> <titlePart> <text>Making crown caps</text> </titlePart> <titlePart> <text>Making screw caps</text> </titlePart> <titlePart> <text>boxes, cigarette cases, or the like</text> </titlePart> <titlePart> <text>cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants</text> </titlePart> <titlePart> <text>Making other particular articles</text> <entryReference>making wire fabrics <sref ref="B21F"/></entryReference> <entryReference>making chains or chain parts <sref ref="B21L"/></entryReference> </titlePart> <titlePart> <text>heat exchangers, e.g. radiators, condensers</text> <entryReference>making finned or ribbed tubes by fixing strip material or the like to tubes <sref ref="B21C0037220000"/></entryReference> </titlePart> <titlePart> <text>of sheet metal</text> </titlePart> <titlePart> <text>of metal tubes</text> </titlePart> <titlePart> <text>of both metal tubes and sheet metal</text> <entryReference>connecting tubes in openings <sref ref="B21D0039060000"/></entryReference> </titlePart> <titlePart> <text>parts of bearings</text> </titlePart> <titlePart> <text>sleeves</text> </titlePart> <titlePart> <text>valve seats or the like</text> </titlePart> <titlePart> <text>cages for bearings</text> </titlePart> <titlePart> <text>belts, e.g. machine-gun belts</text> </titlePart> <titlePart> <text>rings, e.g. barrel hoops</text> </titlePart> <titlePart> <text>of hollow or C-shaped cross-section, e.g. for curtains, for eyelets</text> </titlePart> <titlePart> <text>washers, e.g. for sealing</text> </titlePart> <titlePart> <text>with means for preventing rotation</text> </titlePart> <titlePart> <text>nuts or like thread-engaging members</text> </titlePart> <titlePart> <text>wheels or the like</text> </titlePart> <titlePart> <text>gear wheels</text> </titlePart> <titlePart> <text>wheel rims</text> </titlePart> <titlePart> <text>wheel covers</text> </titlePart> <titlePart> <text>brake drums</text> </titlePart> <titlePart> <text>clips, clamps, or like fastening or attaching devices, e.g. for electric installation</text> </titlePart> <titlePart> <text>locksmith's goods, e.g. handles</text> </titlePart> <titlePart> <text>hinges, e.g. door hinge plates</text> </titlePart> <titlePart> <text>keys</text> </titlePart> <titlePart> <text>fancy goods, e.g. jewellery products</text> </titlePart> <titlePart> <text>haberdashery, e.g. buckles, combs</text> </titlePart> <titlePart> <text>pronged fasteners, e.g. staples</text> </titlePart> <titlePart> <text>buttons, e.g. press-buttons, snap fasteners</text> </titlePart> <titlePart> <text>metal slide-fastener parts</text> </titlePart> <titlePart> <text>fastener elements</text> </titlePart> <titlePart> <text>Attaching such elements so far as this procedure is combined with the process for making the elements</text> </titlePart> <titlePart> <text>slides</text> </titlePart> <titlePart> <text>stops</text> </titlePart> <titlePart> <text>end-pieces for laces or ropes</text> </titlePart> <titlePart> <text>cutlery wares</text> </titlePart> <titlePart> <text>garden tools or the like</text> </titlePart> <titlePart> <text>spoons</text> </titlePart> <titlePart> <text>table forks</text> </titlePart> <titlePart> <text>knives</text> </titlePart> <titlePart> <text>scissors</text> </titlePart> <titlePart> <text>cutting blades</text> <entryReference><sref ref="B21D0053720000"/> takes precedence</entryReference> <entryReference>handle portions <sref ref="B21D0053700000"/></entryReference> </titlePart> <titlePart> <text>spades</text> </titlePart> <titlePart> <text>shovels</text> <entryReference>handle portions <sref ref="B21D0053700000"/></entryReference> </titlePart> <titlePart> <text>rakes, garden forks, or the like</text> <entryReference>handle portions <sref ref="B21D0053700000"/></entryReference> </titlePart> <titlePart> <text>handle portions</text> <entryReference><sref ref="B21D0053720000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>sickles</text> </titlePart> <titlePart> <text>scythes</text> </titlePart> <titlePart> <text>frames for openings, e.g. for windows, doors, handbags</text> </titlePart> <titlePart> <text>writing or drawing instruments, e.g. writing pens, erasing pens</text> </titlePart> <titlePart> <text>propeller blades</text> </titlePart> <titlePart> <text>turbine blades</text> </titlePart> <titlePart> <text>dustproof covers</text> </titlePart> <titlePart> <text>safety covers</text> </titlePart> <titlePart> <text>perforated music sheets</text> </titlePart> <titlePart> <text>pattern sheets, e.g. for control purposes, stencils</text> </titlePart> <titlePart> <text>other parts for engines, e.g. connecting-rods</text> </titlePart> <titlePart> <text>other parts for bicycles or motorcycles</text> </titlePart> <titlePart> <text>other parts for vehicles, e.g. cowlings, mudguards</text> </titlePart> <titlePart> <text>axle-housings</text> </titlePart> <titlePart> <text>other parts for aircraft</text> </titlePart> <titlePart> <text>Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass</text> <entryReference>for presses in general <sref ref="B30B"/></entryReference> <entryReference>safety devices in general <sref ref="F16P"/></entryReference> </titlePart>