WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B21B ROLLING OF METAL (auxiliary operations used in connection with metal-working operations covered in B21, see B21C; bending by rolling B21D; manufacture of particular objects, e.g. screws, wheels, rings, barrels, balls, by rolling B21H; pressure welding by means of a rolling mill B23K 20/04)

  NOTE - B21B 1/00 Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section (B21B 17/00 to B21B 23/00 take precedence; with respect to composition of material to be rolled B21B 3/00; extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00; metal-rolling stands as units B21B 13/00; continuous casting into moulds having walls formed by moving rolls B22D 11/06); Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations

B21B 1/02 ・for rolling heavy work, e.g. ingots, slabs, {blooms} billets, in which the cross-sectional form is unimportant {Rolling combined with forging or pressing}

B21B 1/024 ・・{Forging or pressing (forging or pressing devices as units B21B 15/0035)}

B21B 1/026 ・・{Rolling}

B21B 1/04 ・・in a continuous process

B21B 1/06 ・・in a non-continuous process, {e.g. triplet mill, reversing mill}

B21B 1/08 ・for rolling {structural sections, i.e.} work of special cross-section, e.g. angle steel (rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects B21H 8/00)

B21B 1/0805 ・・{Flat bars, i.e. having a substantially rectangular cross-section}

B21B 1/0815 ・・{from flat-rolled products, e.g. by longitudinal shearing}

B21B 1/082 ・・Piling sections having lateral edges specially adapted for interlocking with each other in order to build a wall

B21B 1/085 ・・Rail sections

B21B 1/0855 ・・・{Rerolling or processing worn or discarded rail sections}

B21B 1/088 ・・H- or I-sections

B21B 1/0883 ・・・{using forging or pressing devices}

B21B 1/0886 ・・・{using variable-width rolls}

B21B 1/09 ・・L-sections

B21B 1/092 ・・T-sections

B21B 1/095 ・・U-or channel sections

B21B 1/098 ・・Z-sections

  WARNING - Groups B21B 1/098 is not complete. See also other subgroups of B21B 1/08

B21B 1/10 ・・in a single two-high or universal rolling mill {stand (B21B 1/08B to B21B 1/08U take precedence)}

B21B 1/12 ・・in a continuous process, {i.e. without reversing stands (B21B 1/08B to B21B 1/08U take precedence)}

B21B 1/14 ・・in a non-continuous process, {i.e. at least one reversing stand (B21B 1/08B toB21B 1/08U take prececence)}

B21B 1/16 ・for rolling {wire rods, bars, merchant bars, rounds} wire or material of like small cross-section

B21B 1/163 ・・{Rolling or cold-forming of concrete reinforcement bars or wire (reinforcement bars per se E04C 5/03); Rolls therefor}

B21B 1/166 ・・{Rolling wire into sections or flat ribbons}

B21B 1/18 ・・in a continuous process

B21B 1/20 ・・in a non-continuous process, (e.g. skew rolling, i.e. planetary cross rolling)

B21B 1/22 ・for rolling {plates, strips,} bands or sheets of indefinite length (B21B 1/42 takes precedence)

B21B 1/222 ・・{in a rolling-drawing process; in a multi-pass mill}

B21B 1/224 ・・{Edge rolling of flat products}

B21B 1/227 ・・{Surface roughening or texturing}

B21B 1/24 ・・in a continuous {or semi-continuous} process {(B21B 1/224 takes precedence)}

B21B 1/26 ・・・by hot-rolling, {e.g. Steckel hot mill}

B21B 1/265 ・・・・{and by compressing or pushing the material in rolling direction}

B21B 1/28 ・・・by cold-rolling, {e.g. Steckel cold mill}

B21B 1/30 ・・in a non-continuous process {(B21B 1/224 takes precedence)}

B21B 1/32 ・・・in reversing {single stand} mills, e.g. with intermediate storage reels for accumulating work

B21B 1/34 ・・・・by hot-rolling

B21B 1/36 ・・・・by cold-rolling

B21B 1/38 ・for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, {pack rolling}(B21B 1/40 takes precedence; folding sheets before, or separating layers after, rolling B21B 47/00)

B21B 1/40 ・for rolling foils which present special problems, e.g. because of thinness

B21B 1/42 ・for step-by-step or planetary rolling (making tubes by pilgrim-step rolling B21B 21/00)

B21B 1/46 ・for rolling metal immediately subsequent to continuous casting (metal-rolling stands B21B 13/22; continuous casting B22D 11/00, e.g. into moulds with rolls B22D 11/06)

B21B 1/463 ・・{in a continuous process, i.e. the cast not being cut before rolling}

B21B 1/466 ・・{in a non-continuous process, i.e. the cast being cut before rolling}

B21B 3/00 Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences {Rolling of aluminium, copper, zinc or other non-ferrous metals}(altering special metallurgical properties of alloys, other than structure consolidation or mechanical properties resulting therefrom C21D, C22F)

B21B 3/003 ・{Rolling non-ferrous metals immediately subsequent to continuous casting, i.e. in-line rolling}

B21B 3/02 ・Rolling special iron alloys, {e.g. stainless steel}

B21B 5/00 Extending closed shapes of metal bands by rolling (manufacture of circular shapes, e.g. wheel rims, B21H 1/06)

B21B 9/00 Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills

B21B 11/00 Subsidising the rolling process by subjecting rollers or work to vibrations, {e.g. ultrasonic vibrations}

B21B 13/00 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories(B21B 17/00 toB21B 23/00 take precedence; details, component parts, accessories, auxiliary means, procedures in connection with metal rolling, see the relevant groups)

B21B 13/001 ・{Convertible or tiltable stands, e.g. from duo to universal stands, from horizontal to vertical stands}

B21B 13/005 ・{Cantilevered roll stands}

B21B 13/008 ・{Skew rolling stands, e.g. for rolling rounds}

B21B 13/02 ・with axes of rolls arranged horizontally

B21B 13/023 ・・{the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling}

B21B 13/04 ・・Three-high arrangement

B21B 13/06 ・with axes of rolls arranged vertically, {e.g. edgers}

B21B 13/08 ・with differently-directed roll axes, e.g. for the so-called "universal" rolling process

B21B 13/10 ・・all axes being arranged in one plane

B21B 13/103 ・・・{for rolling bars, rods or wire}

B21B 13/12 ・・axes being arranged in different planes

B21B 13/14 ・having counter-pressure devices acting on rolls to inhibit deflection of same under load; {Back-up rolls}(counter-pressure devices as such B21B 29/00)

B21B 13/142 ・・{by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC}

B21B 13/145 ・・{Lateral support devices for rolls acting mainly in a direction parallel to the movement of the product}

B21B 13/147 ・・{Cluster mills, e.g. Sendzimir mills , Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls}

B21B 13/16 ・with alternatively operative rolls, {e.g. revolver stands, turret mills}

B21B 13/18 ・for step-by-step or planetary rolling; {pendulum mills}(methods B21B 1/42; making tubes by pilgrim-step rolling B21B 21/00)

B21B 13/20 ・・for planetary rolling

B21B 13/22 ・for rolling metal immediately subsequent to continuous casting, {i.e. in-line rolling of steel}(methods therefor B21B 1/46; continuous casting B22D 11/00, e.g. into moulds with rolls B22D 11/06)

B21B 15/00 Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills

B21B 15/0007 ・{Cutting or shearing the product}

B21B 15/0035 ・{Forging or pressing devices as units}

B21B 15/0042 ・・{Tool changers}

B21B 15/005 ・・{Lubricating, cooling or heating means}

B21B 15/0085 ・{Joining ends of material to continuous strip, bar or sheet}

B21B 15/02 ・in which work is subjected to permanent internal twisting, e.g. for producing reinforcement bars for concrete

  Rolling methods or mills specially designed for making or processing tubes (control of tube rolling B21B 37/78)

B21B 17/00 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling

B21B 17/02 ・with mandrel, {i.e. the mandrel rod contacts the rolled tube over the rod length}(B21B 17/08 takes precedence)

B21B 17/04 ・・in a continuous process

B21B 17/06 ・・in a discontinuous process

B21B 17/08 ・with mandrel having one or more protrusions, {i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills}

B21B 17/10 ・・in a continuous process

B21B 17/12 ・・in a discontinuous process, {e.g. plug-rolling mills}

B21B 17/14 ・without mandrel, {e.g. stretch-reducing mills}

B21B 19/00 Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work (straightening by rollers B21D)

B21B 19/02 ・the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling {Diescher mills, Stiefel disc piercers, Stiefel rotary piercers}

B21B 19/04 ・・Rolling basic material of solid, i.e. non-hollow, structure; Piercing, {e.g. rotary piercing mills}

B21B 19/06 ・・Rolling hollow basic material, {e.g. Assel mills}(B21B 19/04 takes precedence; separating work from mandrel B21C 45/00)

B21B 19/08 ・・・Enlarging tube diameter

B21B 19/10 ・・・Finishing, e.g. smoothing, sizing, {reeling}

B21B 19/12 ・the axes of the rollers being arranged essentially parallel to the axis of the work

B21B 19/14 ・・Rolling tubes by means of additional rollers arranged inside the tubes

B21B 19/16 ・・Rolling tubes without additional rollers arranged inside the tubes

B21B 21/00 Pilgrim-step tube-rolling, {i.e. pilger mills}

B21B 21/005 ・{with reciprocating stand, e.g. driving the stand}

B21B 21/02 ・Rollers therefor

B21B 21/04 ・Pilgrim-step feeding mechanisms (B21B 21/06 takes precedence)

B21B 21/045 ・・{for reciprocating stands}

B21B 21/06 ・Devices for revolving work between the steps

B21B 21/065 ・・{for reciprocating stands}

B21B 23/00 Tube-rolling not restricted to methods provided for in only one of groups B21B 17/00, B21B 19/00, B21B 21/00, e.g. combined processes {planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling}(B21B 25/00 takes precedence)

B21B 25/00 Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B 17/00; Accessories or auxiliary means therefor; {Construction of, or alloys for, mandrels or plugs}

B21B 25/02 ・Guides, supports, or abutments for mandrels, e.g. carriages {or steadiers}; Adjusting devices for mandrels

B21B 25/04 ・Cooling or lubricating mandrels during operation

B21B 25/06 ・Interchanging mandrels, {fixing plugs on mandrel rods or cooling during interchanging mandrels (separating tubes from mandrels B21C 45/00)}

B21B 27/00 Rolls, {roll alloys or roll fabrication}(shape of working surfaces required by special processes B21B 1/00); Lubricating, cooling or heating rolls while in use

B21B 27/005 ・{Rolls with a roughened or textured surface; Methods for making same}

B21B 27/02 ・Shape or construction of rolls (for rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects B21H 8/02){(B21B 27/005 takes precedence)}

B21B 27/021 ・・{Rolls for sheets or strips}

B21B 27/024 ・・{Rolls for bars, rods, rounds, tubes, wire or the like}

B21B 27/025 ・・・{Skew rolls}

B21B 27/027 ・・{Vertical rolls}

B21B 27/028 ・・{Variable-width rolls}

B21B 27/03 ・・Sleeved rolls {(B21B 27/028 takes precedence)}

B21B 27/032 ・・・{Rolls for sheets or strips}

B21B 27/035 ・・・{Rolls for bars, rods, rounds, tubes, wire or the like}

B21B 27/037 ・・・・{Skew rolls}

B21B 27/05 ・・・with deflectable sleeves

B21B 27/055 ・・・・{with sleeves radially deflectable on a stationary beam by means of hydraulic supports (in general F16C 13/00; for paper-making machines D21G 1/00; regulating devices therefor B21B 37/36)}

B21B 27/06 ・Lubricating, cooling or heating rolls

B21B 27/08 ・・internally

B21B 27/10 ・・externally

B21B 27/106 ・・・{Heating the rolls}

B21B 28/00 Maintaining rolls or rolling equipment in effective condition (lubricating, cooling or heating rolls while in use B21B 27/06)

B21B 28/02 ・Maintaining rolls in effective condition, e.g. reconditioning

B21B 28/04 ・・while in use, e.g. polishing {or grinding while the rolls are in their stands}

B21B 29/00 Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls; {Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends (control devices responsive to roll bending B21B 37/38)}

B21B 31/00 Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames

B21B 31/02 ・Rolling stand frames {or housings}; Roll mountings; {Roll chocks}

B21B 31/028 ・・{Prestressing of rolls or roll mountings in stand frames}

B21B 31/04 ・・with tie rods {in frameless stands}, e.g. prestressed tie rods

B21B 31/06 ・・Fastening stands or frames to foundation, e.g. to the sole plate (in general F16M)

B21B 31/07 ・Adaptation of roll {neck} bearings (bearings in general F16C)

B21B 31/074 ・・{Oil film bearings, e.g. "Morgoil" bearings}

B21B 31/076 ・・{Cooling; Lubricating roller bearings}

B21B 31/078 ・・{Sealing devices (Sealings in general F16J 15/00)}

B21B 31/08 ・Interchanging rolls, roll mountings, or stand frames, {e.g. using C-hooks; Replacing roll chocks on roll shafts}

B21B 31/10 ・・by horizontally displacing, {i.e. horizontal roll changing}

B21B 31/103 ・・・{Manipulators or carriages therefor}

B21B 31/106 ・・・{Vertical displacement of rolls or roll chocks during horizontal roll changing}

B21B 31/12 ・・by vertically displacing

B21B 31/14 ・・by pivotally displacing

B21B 31/16 ・Adjusting {or positioning} rolls (control devices B21B 37/00)

B21B 31/18 ・・by moving rolls axially

B21B 31/185 ・・・{and by crossing rolls}

B21B 31/20 ・・by moving rolls perpendicularly to roll axis

B21B 31/203 ・・・{Balancing rolls}

B21B 31/22 ・・・mechanically, {e.g. by thrust blocks, inserts for removal}

B21B 31/24 ・・・・by screws

B21B 31/26 ・・・・Adjusting eccentrically-mounted roll bearings

B21B 31/28 ・・・・by toggle-lever mechanisms

B21B 31/30 ・・・・by wedges or their equivalent

B21B 31/32 ・・・by liquid pressure, {e.g. hydromechanical adjusting}

B21B 33/00 Safety devices not otherwise provided for (safety devices in general F16P); Breaker blocks; Devices for freeing jammed rolls {for handling cobbles; Overload safety devices}

B21B 33/02 ・Preventing fracture of rolls

B21B 35/00 Drives for metal-rolling mills, {e.g. hydraulic drives}

B21B 35/02 ・for continuously-operating mills (B21B 35/10, B21B 35/12 take precedence)

B21B 35/025 ・・{for stretch-reducing of tubes}

B21B 35/04 ・・each stand having its own motor or motors

B21B 35/06 ・for non-continuously-operating mills or for single stands (B21B 35/10, B21B 35/12 take precedence)

B21B 35/08 ・・for reversing rolling mills

B21B 35/10 ・Driving arrangements for rolls which have only a low-power drive; Driving arrangements for rolls which receive power from the shaft of another roll

B21B 35/12 ・Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor

B21B 35/14 ・Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills (couplings or shafts in general F16)

B21B 35/141 ・・{Rigid spindle couplings, e.g. coupling boxes placed on roll necks (rigid couplings in general F16D 1/00)}

B21B 35/142 ・・{Yielding spindle couplings; Universal joints for spindles (yielding couplings in general F16D 3/00)}

B21B 35/143 ・・・{having slidably-interengaging teeth, e.g. gear-type couplings (universal joints with the coupling parts having slidably-interengaging teeth, in general, F16D 3/18)}

B21B 35/144 ・・・・{Wobbler couplings}

B21B 35/145 ・・・{Hooke`s joints or the like with each coupling part pivoted with respect to an intermediate member(Hooke`s joints in generalF16D 3/26)}

B21B 35/146 ・・・・{Tongue and slipper joints (tongue and slipper joints in general F16D 3/265)}

B21B 35/147 ・・{Lubrication of spindle couplings}

B21B 35/148 ・・{Spindle carriers or balancers}

B21B 37/00 Control devices or methods specially adapted for metal-rolling mills or the work produced thereby (methods or devices for measuring specially adapted for metal-rolling mills B21B 38/00)

B21B 37/005 ・{Control of time interval or spacing between workpieces}

B21B 37/007 ・{Control for preventing or reducing vibration, chatter or chatter marks (B21B 37/66 takes precedence)}

B21B 37/16 ・Control of thickness, width, diameter or other transverse dimensions (B21B 37/58 takes precedence)

B21B 37/165 ・・{responsive mainly to the measured thickness of the product}

B21B 37/18 ・・Automatic gauge control

B21B 37/20 ・・・in tandem mills

B21B 37/22 ・・Lateral spread control; Width control, e.g. by edge rolling

B21B 37/24 ・・Automatic variation of thickness according to a predetermined programme

B21B 37/26 ・・・for obtaining one strip having successive lengths of different constant thickness

B21B 37/28 ・Control of flatness or profile during rolling of strip, sheets or plates

B21B 37/30 ・・using roll camber control

B21B 37/32 ・・・by cooling, heating or lubricating the rolls

B21B 37/34 ・・・by hydraulic expansion of the rolls

B21B 37/36 ・・・by radial displacement of the roll sleeve on a stationary roll beam by means of hydraulic supports

B21B 37/38 ・・using roll bending (B21B 37/42 takes precedence)

B21B 37/40 ・・using axial shifting of the rolls (B21B 37/42 takes precedence)

B21B 37/42 ・・using a combination of roll bending and axial shifting of the rolls

B21B 37/44 ・・using heating, lubricating or water-spray cooling of the product

B21B 37/46 ・Roll speed or drive motor control (B21B 37/52, B21B 37/60 take precedence)

B21B 37/48 ・Tension control; Compression control

B21B 37/50 ・・by looper control

B21B 37/52 ・・by drive motor control

B21B 37/54 ・・・including coiler drive control, e.g. reversing mills

B21B 37/56 ・Elongation control

B21B 37/58 ・Roll-force control; Roll-gap control {(B21B 38/105 takes precedence)}

B21B 37/60 ・・by control of a motor which drives an adjusting screw

B21B 37/62 ・・by control of a hydraulic adjusting device

B21B 37/64 ・・Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands

B21B 37/66 ・・Roll eccentricity compensation systems

B21B 37/68 ・Camber or steering control for strip, sheets or plates, e.g. preventing meandering

B21B 37/70 ・Length control (B21B 37/56 takes precedence)

B21B 37/72 ・Rear end control; Front end control

B21B 37/74 ・Temperature control, e.g. by cooling or heating the rolls or the product (B21B 37/32, B21B 37/44 take precedence)

B21B 37/76 ・・Cooling control on the run-out table

B21B 37/78 ・Control of tube rolling

B21B 38/00 Methods or devices for measuring, {detecting or monitoring} specially adapted for metal-rolling mills, e.g. position detection, inspection of the product {(Control devices or methods B21B 37/00)}

B21B 38/006 ・{for measuring temperature}

B21B 38/008 ・{Monitoring or detecting vibration, chatter or chatter marks}

B21B 38/02 ・for measuring flatness or profile of strips

B21B 38/04 ・for measuring thickness, width, diameter or other transverse dimensions of the product

B21B 38/06 ・for measuring tension or compression

B21B 38/08 ・for measuring roll-force

B21B 38/10 ・for measuring roll-gap, e.g. pass indicators

B21B 38/105 ・・{Calibrating or presetting roll-gap}

B21B 38/12 ・for measuring roll camber

B21B 39/00 Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (guiding, conveying, or accumulating easily-flexible work in loops or curves B21B 41/00; specially associated with cooling-beds B21B 43/00; conveying or transporting in general B65G)

B21B 39/002 ・{Piling, unpiling, unscrambling}

B21B 39/004 ・{Transverse moving}

B21B 39/006 ・{Pinch roll sets}

B21B 39/008 ・{Rollers for roller conveyers (roller-ways in general B65G 13/00, B21B 39/00)}

B21B 39/02 ・Feeding or supporting work; Braking or tensioning arrangements, {e.g. threading arrangements}

B21B 39/04 ・・Lifting or lowering work for conveying purposes, e.g. tilting tables arranged immediately in front of or behind the pass (turn-over or like manipulating means as such B21B 39/20)

B21B 39/06 ・・Pushing or forcing work into pass

B21B 39/08 ・・Braking or tensioning arrangements

B21B 39/082 ・・・{Bridle devices}

B21B 39/084 ・・・{Looper devices}

B21B 39/086 ・・・{Braking devices}

B21B 39/088 ・・・{Bumpers, stopping devices}

B21B 39/10 ・・Arrangement or installation of feeding rollers in rolling stands

B21B 39/12 ・・Arrangement or installation of roller tables in relation to a roll stand

B21B 39/14 ・Guiding, positioning or aligning work (B21B 43/12 takes precedence; guides in which work is subjected to permanent internal twisting B21B 15/02)

B21B 39/16 ・・immediately before entering or after leaving the pass

B21B 39/165 ・・・{Guides or guide rollers for rods, bars, rounds, tubes (B21B 39/28 takes precedence); Aligning guides}

B21B 39/18 ・・Switches for directing work in metal-rolling mills or trains

B21B 39/20 ・Revolving, turning-over, or like manipulation of work, {e.g. revolving in trio stands}(guides in which work is subjected to permanent internal twisting B21B 15/02)

B21B 39/22 ・・by tipping, e.g. by lifting one side by levers or wedges (B21B 39/26, B21B 39/28 take precedence)

B21B 39/223 ・・・{Side-guard manipulators}

B21B 39/226 ・・・{Tiltable ingot chairs}

B21B 39/24 ・・by tongs or grippers

B21B 39/26 ・・by members, e.g. grooved, engaging opposite sides of the work and moved relatively to each other to revolve the work

B21B 39/28 ・・by means of guide members shaped to revolve the work during its passage

B21B 39/30 ・・by lodging it in a rotating ring manipulator or ring segment manipulator

B21B 39/32 ・・Devices specially adapted for turning sheets

B21B 39/34 ・Arrangements or constructional combinations specifically designed to perform functions covered by more than one of groups B21B 39/02, B21B 39/14, B21B 39/20

B21B 41/00 Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters

B21B 41/02 ・Returning work to repeat the pass or passes {within the same stand}

B21B 41/04 ・・above or underneath the rolling stand or rolls

B21B 41/06 ・in which the direction of movement of the work is turned through approximately 180 degrees, {e.g. repeaters, i.e. from one stand to another}

B21B 41/08 ・without overall change in the general direction of movement of the work

B21B 41/10 ・・Loop deflectors {(B21B 39/084 takes precedence)}

B21B 41/12 ・Arrangements of interest only with respect to provision for indicating or controlling operations

B21B 43/00 Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed (conveying means in general B65G)

B21B 43/003 ・{Transfer to bed}

B21B 43/006 ・{Transfer from bed}

B21B 43/02 ・Cooling beds comprising rakes {racks, walking beams} or bars (B21B 43/10 takes precedence)

B21B 43/04 ・Cooling beds comprising rolls or worms

B21B 43/06 ・Cooling beds comprising carriages (B21B 43/08 takes precedence)

B21B 43/08 ・Cooling beds comprising revolving drums or recycling chains {or discs}

B21B 43/10 ・Cooling beds with other work-shifting elements projecting through the bed

B21B 43/12 ・Devices for positioning workpieces "flushed", i.e. with all their axial ends arranged in line on cooling beds or on co-operating conveyers, {e.g. before cutting}

B21B 45/00 Devices for surface {or other} treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (B21B 15/00, {B21B 1/227 and B21B 27/005} take precedence; technical features of scaling-off devices B21C 43/00)

B21B 45/002 ・{Increasing friction between work and working rolls by using friction increasing substance}

B21B 45/004 ・{Heating the product}

B21B 45/008 ・{Heat shields}

B21B 45/02 ・for lubricating, cooling, or cleaning {(in particular in combination with forging or pressing devices B21B 15/005, control of flatness or profile using lubricating or cooling B21B 37/44)}

B21B 45/0203 ・・{Cooling}

B21B 45/0206 ・・・{Coolants}

B21B 45/0209 ・・・{Cooling devices, e.g. using gaseous coolants}

B21B 45/0215 ・・・・{using liquid coolants, e.g. for sections, for tubes}

B21B 45/0218 ・・・・・{for strips, sheets, or plates (B21B 45/023, B21B 45/0233 take precedence)}

B21B 45/0224 ・・・・・{for wire, rods, rounds, bars (B21B 45/023, B21B 45/0233 take precedence)}

B21B 45/023 ・・・・・{by immersion in a bath}

B21B 45/0233 ・・・・・{Spray nozzles, Nozzle headers; Spray systems}

B21B 45/0239 ・・{Lubricating}

B21B 45/0242 ・・・{Lubricants}

B21B 45/0245 ・・・{Lubricating devices}

B21B 45/0248 ・・・・{using liquid lubricants, e.g. for sections, for tubes}

B21B 45/0251 ・・・・・{for strips, sheets, or plates}

B21B 45/0257 ・・・・・{for wire, rods, rounds, bars}

B21B 45/0263 ・・・・{using solid lubricants}

B21B 45/0266 ・・{Measuring or controlling thickness of liquid films}

B21B 45/0269 ・・{Cleaning}

B21B 45/0272 ・・・{Cleaning compositions}

B21B 45/0275 ・・・{Cleaning devices}

B21B 45/0278 ・・・・{removing liquids}

B21B 45/0281 ・・・・・{removing coolants}

B21B 45/0284 ・・・・・{removing lubricants}

B21B 45/0287 ・・・・{removing solid particles, e.g. dust, rust}

B21B 45/029 ・・・{Liquid recovering devices}

B21B 45/0293 ・・・・{Recovering coolants}

B21B 45/0296 ・・・・{Recovering lubricants}

B21B 45/04 ・for de-scaling, {e.g. by brushing (descaling of rod or wire B21C 43/04)}

B21B 45/06 ・・of strip material (B21B 45/08 takes precedence)

B21B 45/08 ・・hydraulically

B21B 47/00 Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal (soaking pits C21D 9/70)

B21B 47/02 ・for folding sheets before rolling

B21B 47/04 ・for separating layers after rolling

B21B 99/00 Subject matter not provided for in other groups of this subclass

B21B 2001/00 Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section (B21B 17/00 to B21B 23/00 take precedence; with respect to composition of material to be rolled B21B 3/00; extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00; metal-rolling stands as units B21B 13/00; continuous casting into moulds having walls formed by moving rolls B22D 11/06); Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations

B21B 2001/02 ・for rolling heavy work, e.g. ingots, slabs, {blooms} billets, in which the cross-sectional form is unimportant {Rolling combined with forging or pressing}

B21B 2001/022 ・・Blooms or billets

B21B 2001/028 ・・Slabs

B21B 2001/08 ・for rolling {structural sections, i.e.} work of special cross-section, e.g. angle steel (rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects B21H 8/00)

B21B 2001/081 ・・Roughening or texturing surfaces of structural sections, bars, rounds, wire rods

B21B 2001/22 ・for rolling {plates, strips,} bands or sheets of indefinite length (B21B 1/42 takes precedence)

B21B 2001/221 ・・by cold-rolling

B21B 2001/225 ・・by hot-rolling

B21B 2001/228 ・・skin pass rolling or temper rolling

B21B 2001/38 ・for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, {pack rolling}(B21B 1/40 takes precedence; folding sheets before, or separating layers after, rolling B21B 47/00)

B21B 2001/383 ・・Cladded or coated products

B21B 2001/386 ・・Plates

B21B 2003/00 Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences {Rolling of aluminium, copper, zinc or other non-ferrous metals}(altering special metallurgical properties of alloys, other than structure consolidation or mechanical properties resulting therefrom C21D, C22F)

B21B 2003/001 ・Aluminium or its alloys

B21B 2003/005 ・Copper or its alloys

B21B 2003/006 ・Powder metal alloys

B21B 2003/008 ・Zinc or its alloys

B21B 2013/00 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories(B21B 17/00 toB21B 23/00 take precedence; details, component parts, accessories, auxiliary means, procedures in connection with metal rolling, see the relevant groups)

B21B 2013/003 ・Inactive rolling stands

B21B 2013/006 ・Multiple strand rolling mills; Mill stands with multiple caliber rolls

B21B 2013/02 ・with axes of rolls arranged horizontally

B21B 2013/021 ・・Twin mills

B21B 2013/025 ・・Quarto, four-high stands

B21B 2013/026 ・・Quinto, five high-stands

B21B 2013/028 ・・Sixto, six-high stands

B21B 2013/08 ・with differently-directed roll axes, e.g. for the so-called "universal" rolling process

B21B 2013/10 ・・all axes being arranged in one plane

B21B 2013/106 ・・・for sections, e.g. beams, rails

B21B 2015/00 Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills

B21B 2015/0007 ・{Cutting or shearing the product}

B21B 2015/0014 ・・transversely to the rolling direction

B21B 2015/0021 ・・in the rolling direction

B21B 2015/0028 ・Drawing the rolled product

B21B 2015/0057 ・Coiling the rolled product

B21B 2015/0064 ・Uncoiling the rolled product

B21B 2015/0071 ・Levelling the rolled product

B21B 2015/0078 ・Extruding the rolled product

B21B 2015/0092 ・Welding in the rolling direction

B21B 2023/00 Tube-rolling not restricted to methods provided for in only one of groups B21B 17/00, B21B 19/00, B21B 21/00, e.g. combined processes {planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling}(B21B 25/00 takes precedence)

B21B 2023/005 ・Roughening or texturig surfaces of tubes

B21B 2027/00 Rolls, {roll alloys or roll fabrication}(shape of working surfaces required by special processes B21B 1/00); Lubricating, cooling or heating rolls while in use

B21B 2027/02 ・Shape or construction of rolls (for rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects B21H 8/02){(B21B 27/005 takes precedence)}

B21B 2027/021 ・・{Rolls for sheets or strips}

B21B 2027/022 ・・・Rolls having tapered ends

B21B 2027/06 ・Lubricating, cooling or heating rolls

B21B 2027/08 ・・internally

B21B 2027/083 ・・・cooling internally

B21B 2027/086 ・・・heating internally

B21B 2027/10 ・・externally

B21B 2027/103 ・・・cooling externally

B21B 2031/00 Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames

B21B 2031/02 ・Rolling stand frames {or housings}; Roll mountings; {Roll chocks}

B21B 2031/021 ・・Integral tandem mill housings

B21B 2031/023 ・・Transverse shifting one housing

B21B 2031/025 ・・Shifting the stand in or against the rolling direction

B21B 2031/026 ・・Transverse shifting the stand

B21B 2031/07 ・Adaptation of roll {neck} bearings (bearings in general F16C)

B21B 2031/072 ・・Bearing materials

B21B 2031/16 ・Adjusting {or positioning} rolls (control devices B21B 37/00)

B21B 2031/20 ・・by moving rolls perpendicularly to roll axis

B21B 2031/206 ・・・Horizontal offset of work rolls

B21B 2033/00 Safety devices not otherwise provided for (safety devices in general F16P); Breaker blocks; Devices for freeing jammed rolls {for handling cobbles; Overload safety devices}

B21B 2033/005 ・Cobble-freeing

B21B 2035/00 Drives for metal-rolling mills, {e.g. hydraulic drives}

B21B 2035/005 ・Hydraulic drive motors

B21B 2035/10 ・Driving arrangements for rolls which have only a low-power drive; Driving arrangements for rolls which receive power from the shaft of another roll

B21B 2035/103 ・・Fluid-driven rolls or rollers

B21B 2035/106 ・・Non-driven or idler rolls or rollers

B21B 2035/14 ・Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills (couplings or shafts in general F16)

B21B 2035/149 ・・Measuring devices for spindles or couplings

B21B 2037/00 Control devices or methods specially adapted for metal-rolling mills or the work produced thereby (methods or devices for measuring specially adapted for metal-rolling mills B21B 38/00)

B21B 2037/002 ・Mass flow control

B21B 2038/00 Methods or devices for measuring, {detecting or monitoring} specially adapted for metal-rolling mills, e.g. position detection, inspection of the product {(Control devices or methods B21B 37/00)}

B21B 2038/002 ・Measuring axial forces of rolls

B21B 2038/004 ・Measuring scale thickness

B21B 2045/00 Devices for surface {or other} treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (B21B 15/00, {B21B 1/227 and B21B 27/005} take precedence; technical features of scaling-off devices B21C 43/00)

B21B 2045/004 ・{Heating the product}

B21B 2045/006 ・・in vacuum or in inert atmosphere

B21B 2045/02 ・for lubricating, cooling, or cleaning {(in particular in combination with forging or pressing devices B21B 15/005, control of flatness or profile using lubricating or cooling B21B 37/44)}

B21B 2045/0203 ・・{Cooling}

B21B 2045/0209 ・・・{Cooling devices, e.g. using gaseous coolants}

B21B 2045/0212 ・・・・using gaseous coolants

B21B 2045/0215 ・・・・{using liquid coolants, e.g. for sections, for tubes}

B21B 2045/0221 ・・・・・for structural sections, e.g. H-beams

B21B 2045/0227 ・・・・・for tubes

B21B 2045/0236 ・・Laying heads for overlapping rings on cooling conveyer

B21B 2045/0239 ・・{Lubricating}

B21B 2045/0245 ・・・{Lubricating devices}

B21B 2045/0248 ・・・・{using liquid lubricants, e.g. for sections, for tubes}

B21B 2045/0254 ・・・・・for structural sections, e.g. H-beams

B21B 2045/026 ・・・・・for tubes

B21B 2201/00 Special rolling modes

B21B 2201/02 ・Austenitic rolling

B21B 2201/04 ・Ferritic rolling

B21B 2201/06 ・Thermomechanical rolling

B21B 2201/08 ・Batch rolling

B21B 2201/10 ・Endless rolling

B21B 2201/12 ・Isothermic rolling

B21B 2201/14 ・Soft reduction

B21B 2201/16 ・Two-phase or mixed-phase rolling

B21B 2201/18 ・Vertical rolling pass lines

  Equipment codes

B21B 2203/00 Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods

B21B 2203/02 ・Backlash elimination

B21B 2203/04 ・Brakes

B21B 2203/06 ・Cassettes

B21B 2203/08 ・Clutches

B21B 2203/10 ・Counterweights

B21B 2203/12 ・Covers or shieldings

B21B 2203/14 ・Dummy bars or slabs

B21B 2203/16 ・Eccentrics

B21B 2203/18 ・Rolls or rollers

B21B 2203/182 ・・Fluid driven rolls or rollers

B21B 2203/185 ・・Reversible rolls for changing grooves

B21B 2203/187 ・・Tilting rolls

B21B 2203/20 ・Flywheels

B21B 2203/22 ・Hinged chocks

B21B 2203/24 ・Hydrostatic bearings or guides

B21B 2203/26 ・Motors, drives

B21B 2203/28 ・Mounting or dismounting bearing and chock as a unit

B21B 2203/30 ・Quick or bayonet couplings

B21B 2203/32 ・Roll changing stools

B21B 2203/34 ・Rotational position or alignment

B21B 2203/36 ・Spacers

B21B 2203/38 ・Strain gauges

B21B 2203/40 ・Torsion bars or shafts

B21B 2203/42 ・Turntables

B21B 2203/44 ・Vibration dampers

B21B 2205/00 Particular shaped rolled products

B21B 2205/02 ・Tailored blanks

B21B 2205/04 ・Taper- or wedge-shaped profiles

B21B 2261/00 Product parameters

B21B 2261/02 ・Transverse dimensions

B21B 2261/04 ・・Thickness, gauge

B21B 2261/043 ・・・Blanks with variable thickness in the rolling direction

B21B 2261/046 ・・・Different thickness in width direction

B21B 2261/05 ・・・Different constant thicknesses in one rolled product

B21B 2261/06 ・・Width

B21B 2261/065 ・・・Blanks with variable width

B21B 2261/08 ・・Diameter

B21B 2261/10 ・・Cross-sectional area

B21B 2261/12 ・Length

B21B 2261/14 ・Roughness

B21B 2261/18 ・Weight

B21B 2261/20 ・Temperature

B21B 2261/21 ・・Temperature profile

B21B 2261/22 ・Hardness

B21B 2263/00 Shape of product

B21B 2263/02 ・Profile, e.g. of plate, hot strip, sections

B21B 2263/04 ・Flatness

B21B 2263/06 ・・Edge waves

B21B 2263/08 ・・Centre buckles

B21B 2263/10 ・Lateral spread defects

B21B 2263/12 ・・Dog bone

B21B 2263/16 ・Alligatoring

B21B 2263/20 ・End shape; fish tail; tongue

B21B 2263/30 ・Shape in top view

B21B 2265/00 Forming parameters

B21B 2265/02 ・Tension

B21B 2265/04 ・・Front or inlet tension

B21B 2265/06 ・・Interstand tension

B21B 2265/08 ・・Back or outlet tension

B21B 2265/10 ・Compression, e.g. longitudinal compression

B21B 2265/12 ・Rolling load or rolling pressure; roll force

B21B 2265/14 ・Reduction rate

B21B 2265/16 ・・Extension

B21B 2265/18 ・Elongation

B21B 2265/20 ・Slip

B21B 2265/22 ・Pass schedule

B21B 2265/24 ・asymmetric rolling

B21B 2267/00 Roll parameters

B21B 2267/02 ・Roll dimensions

B21B 2267/06 ・・Roll diameter

B21B 2267/065 ・・・Top and bottom roll have different diameters; Asymmetrical rolling

B21B 2267/08 ・・Roll eccentricity

B21B 2267/10 ・Roughness of roll surface

B21B 2267/12 ・Roll temperature

B21B 2267/18 ・Roll crown; roll profile

B21B 2267/19 ・・Thermal crown

B21B 2267/20 ・・Ground camber or profile

B21B 2267/22 ・・Hydraulic expansion of rolls

B21B 2267/24 ・Roll wear

B21B 2267/26 ・Hardness of the roll surface

B21B 2267/28 ・Elastic moduli of rolls

B21B 2269/00 Roll bending or shifting

B21B 2269/02 ・Roll bending; vertical bending of rolls

B21B 2269/04 ・・Work roll bending

B21B 2269/06 ・・Intermediate roll bending

B21B 2269/08 ・・Back-up roll bending

B21B 2269/10 ・Horizontal bending of rolls

B21B 2269/12 ・Axial shifting the rolls

B21B 2269/14 ・・Work rolls

B21B 2269/16 ・・Intermediate rolls

B21B 2269/18 ・・Back-up rolls

B21B 2271/00 Mill stand parameters

B21B 2271/02 ・Roll gap, screw-down position, draft position

B21B 2271/025 ・・Tapered roll gap

B21B 2271/04 ・・Screw-down speed, draft speed

B21B 2271/06 ・Mill spring

B21B 2273/00 Path parameters

B21B 2273/02 ・Vertical deviation, e.g. slack, looper height

B21B 2273/04 ・Lateral deviation, meandering, camber of product

B21B 2273/06 ・Threading

B21B 2273/08 ・・Threading-in or before threading-in

B21B 2273/10 ・・Threading-out or after threading-out

B21B 2273/12 ・End of product

B21B 2273/14 ・・Front end or leading end

B21B 2273/16 ・・Tail or rear end

B21B 2273/18 ・Presence of product

B21B 2273/20 ・Track of product

B21B 2273/22 ・Aligning on rolling axis, e.g. of roll calibers

B21B 2273/24 ・Web positioning

B21B 2275/00 Mill drive parameters

B21B 2275/02 ・Speed

B21B 2275/04 ・・Roll speed

B21B 2275/05 ・・・Speed difference between top and bottom rolls

B21B 2275/06 ・・Product speed

B21B 2275/08 ・・Coiler speed

B21B 2275/10 ・Motor power; motor current

B21B 2275/12 ・・Roll torque

--- Edited by Muguruma Professional Engineer Office(C), 2013 ---