IPC Classification

Class code (prefix) Descriptions Number of results
B21B 1/00 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; 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 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant
B21B 1/04 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant in a continuous process
B21B 1/06 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant in a non-continuous process
B21B 1/08 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling work of special cross-section, e.g. angle steel
B21B 1/09 L-sections
B21B 1/10 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling work of special cross-section, e.g. angle steel in a single two-high or universal rolling mill
B21B 1/12 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling work of special cross-section, e.g. angle steel in a continuous process
B21B 1/14 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling work of special cross-section, e.g. angle steel in a non-continuous process
B21B 1/16 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire or material of like small cross-section
B21B 1/18 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire or material of like small cross-section in a continuous process
B21B 1/20 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire or material of like small cross-section in a non-continuous process
B21B 1/22 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
B21B 1/24 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a continuous process
B21B 1/26 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a continuous process by hot-rolling
B21B 1/28 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a continuous process by cold-rolling
B21B 1/30 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a non-continuous process
B21B 1/32 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a non-continuous process in reversing mills, e.g. with intermediate storage reels for accumulating work
B21B 1/34 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a non-continuous process in reversing mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
B21B 1/36 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a non-continuous process in reversing mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
B21B 1/38 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets
B21B 1/40 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
B21B 1/42 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for step-by-step or planetary rolling
B21B 1/46 Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
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 1/088 H- or I-sections
B21B 1/092 T-sections
B21B 1/095 U- or channel sections
B21B 1/098 Z-sections
B21B 3/00 Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
B21B 3/02 Rolling special iron alloys
B21B 5/00 Extending closed shapes of metal bands by rolling
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 processes by subjecting rollers or work to vibrations
B21B 13/00 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
B21B 13/02 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
B21B 13/04 Three-high arrangement
B21B 13/06 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically
B21B 13/08 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
B21B 13/10 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
B21B 13/12 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
B21B 13/14 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load
B21B 13/16 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with alternatively operative rolls
B21B 13/18 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for step-by-step or planetary rolling
B21B 13/20 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for step-by-step or planetary rolling for planetary rolling
B21B 13/22 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for rolling metal immediately subsequent to continuous casting
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 15/02 Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills in which work is subjected to permanent internal twisting, e.g. for producing reinforcement bars for concrete
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 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel
B21B 17/04 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel in a continuous process
B21B 17/06 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel in a discontinuous process
B21B 17/08 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions
B21B 17/10 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions in a continuous process
B21B 17/12 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions in a discontinuous process
B21B 17/14 Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel
B21B 19/00 Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
B21B 19/02 Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling
B21B 19/04 Rolling basic material of solid, i.e. non-hollow, structure; Piercing
B21B 19/06 Rolling hollow basic material
B21B 19/08 Enlarging tube diameter
B21B 19/10 Finishing, e.g. smoothing, sizing
B21B 19/12 Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work 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
B21B 21/02 Rollers therefor
B21B 21/04 Pilgrim-step feeding mechanisms
B21B 21/06 Devices for revolving work between the steps
B21B 23/00 Tube-rolling not restricted to methods provided for in only one of groups , e.g. combined processes
B21B 25/00 Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group ; Accessories or auxiliary means therefor
B21B 25/02 Guides, supports, or abutments for mandrels, e.g. carriages; Adjusting devices for mandrels
B21B 25/04 Cooling or lubricating mandrels during operation
B21B 25/06 Interchanging mandrels
B21B 27/00 Rolls; Lubricating, cooling or heating rolls while in use
B21B 27/02 Shape or construction of rolls
B21B 27/03 Sleeved rolls
B21B 27/05 Sleeved rolls with deflectable sleeves
B21B 27/06 Lubricating, cooling, or heating rolls
B21B 27/08 Lubricating, cooling, or heating rolls internally
B21B 27/10 Lubricating, cooling, or heating rolls externally
B21B 28/00 Maintaining rolls or rolling equipment in effective condition
B21B 28/02 Maintaining rolls in effective condition, e.g. reconditioning
B21B 28/04 Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing
B21B 29/00 Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls
B21B 31/00 Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
B21B 31/02 Rolling stand frames; Roll mountings
B21B 31/04 Rolling stand frames; Roll mountings with tie rods, e.g. prestressed tie rods
B21B 31/06 Fastening stands or frames to foundation, e.g. to the sole plate
B21B 31/07 Adaptation of roll bearings
B21B 31/08 Interchanging rolls, roll mountings, or stand frames
B21B 31/10 Interchanging rolls, roll mountings, or stand frames by horizontally displacing
B21B 31/12 Interchanging rolls, roll mountings, or stand frames by vertically displacing
B21B 31/14 Interchanging rolls, roll mountings, or stand frames by pivotally displacing
B21B 31/16 Adjusting rolls
B21B 31/18 Adjusting rolls by moving rolls axially
B21B 31/20 Adjusting rolls by moving rolls perpendicularly to roll axis
B21B 31/22 Adjusting rolls by moving rolls perpendicularly to roll axis mechanically
B21B 31/24 Adjusting rolls by moving rolls perpendicularly to roll axis mechanically by screws
B21B 31/26 Adjusting eccentrically-mounted roll bearings
B21B 31/28 Adjusting rolls by moving rolls perpendicularly to roll axis mechanically by toggle-lever mechanisms
B21B 31/30 Adjusting rolls by moving rolls perpendicularly to roll axis mechanically by wedges or their equivalent
B21B 31/32 Adjusting rolls by moving rolls perpendicularly to roll axis by liquid pressure
B21B 33/00 Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls
B21B 33/02 Preventing fracture of rolls
B21B 35/00 Drives for metal-rolling mills
B21B 35/02 Drives for metal-rolling mills for continuously-operating mills
B21B 35/04 Drives for metal-rolling mills for continuously-operating mills each stand having its own motor or motors
B21B 35/06 Drives for metal-rolling mills for non-continuously-operating mills or for single stands
B21B 35/08 Drives for metal-rolling mills for non-continuously-operating mills or for single stands 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
B21B 37/00 Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
B21B 37/16 Control of thickness, width, diameter or other transverse dimensions
B21B 37/18 Automatic gauge control
B21B 37/20 Automatic gauge control 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 Automatic variation of thickness according to a predetermined programme 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 Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
B21B 37/32 Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
B21B 37/34 Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by hydraulic expansion of the rolls
B21B 37/36 Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by radial displacement of the roll sleeve on a stationary roll beam by means of hydraulic supports
B21B 37/38 Control of flatness or profile during rolling of strip, sheets or plates using roll bending
B21B 37/40 Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
B21B 37/42 Control of flatness or profile during rolling of strip, sheets or plates using a combination of roll bending and axial shifting of the rolls
B21B 37/44 Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
B21B 37/46 Roll speed or drive motor control
B21B 37/48 Tension control; Compression control
B21B 37/50 Tension control; Compression control by looper control
B21B 37/52 Tension control; Compression control by drive motor control
B21B 37/54 Tension control; Compression control by drive motor control including coiler drive control, e.g. reversing mills
B21B 37/56 Elongation control
B21B 37/58 Roll-force control; Roll-gap control
B21B 37/60 Roll-force control; Roll-gap control by control of a motor which drives an adjusting screw
B21B 37/62 Roll-force control; Roll-gap control 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 37/72 Rear end control; Front end control
B21B 37/74 Temperature control, e.g. by cooling or heating the rolls or the product
B21B 37/76 Cooling control on the run-out table
B21B 37/78 Control of tube rolling
B21B 38/00 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
B21B 38/02 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
B21B 38/04 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
B21B 38/06 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring tension or compression
B21B 38/08 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-force
B21B 38/10 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
B21B 38/12 Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product 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
B21B 39/02 Feeding or supporting work; Braking or tensioning arrangements
B21B 39/04 Lifting or lowering work for conveying purposes, e.g. tilting tables arranged immediately in front of or behind the pass
B21B 39/06 Pushing or forcing work into pass
B21B 39/08 Braking or tensioning arrangements
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 39/16 Guiding, positioning or aligning work immediately before entering or after leaving the pass
B21B 39/18 Switches for directing work in metal-rolling mills or trains
B21B 39/20 Revolving, turning-over, or like manipulation of work
B21B 39/22 Revolving, turning-over, or like manipulation of work by tipping, e.g. by lifting one side by levers or wedges
B21B 39/24 Revolving, turning-over, or like manipulation of work by tongs or grippers
B21B 39/26 Revolving, turning-over, or like manipulation of work by members, e.g. grooved, engaging opposite sides of the work and moved relatively to each other to revolve the work
B21B 39/28 Revolving, turning-over, or like manipulation of work by means of guide members shaped to revolve the work during its passage
B21B 39/30 Revolving, turning-over, or like manipulation of work 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 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
B21B 41/04 Returning work to repeat the pass or passes above or underneath the rolling stand or rolls
B21B 41/06 Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters in which the direction of movement of the work is turned through approximately 180°
B21B 41/08 Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters without overall change in the general direction of movement of the work
B21B 41/10 Loop deflectors
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
B21B 43/02 Cooling beds comprising rakes or bars
B21B 43/04 Cooling beds comprising rolls or worms
B21B 43/06 Cooling beds comprising carriages
B21B 43/08 Cooling beds comprising revolving drums or recycling chains
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 conveyors
B21B 45/00 Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
B21B 45/02 Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
B21B 45/04 Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling
B21B 45/06 Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling of strip material
B21B 45/08 Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling hydraulically
B21B 47/00 Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
B21B 47/02 Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal for folding sheets before rolling
B21B 47/04 Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal for separating layers after rolling
B21B 99/00 Subject matter not provided for in other groups of this subclass