Russian version

Home page

Search:

For contact - E-mail

[an error occurred while processing this directive]
To add or edit advertisment:     e-mail:     password:
IPC 7
  B21 - B21B 29/00  
B21B03100-B21B10814
 

SECTION B – PERFORMING OPERATIONS; TRANSPORTING


B 21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL (casting, powder metallurgy B22; shearing B23D; working of metal by the action of a high concentration of electric current B23H; soldering, welding, flame-cutting B23K; other working of metal B23P; punching sheet material in general B26F; processes for changing of physical properties of metals C21D, C22F; electroforming C25D 1/00)


B 21 BROLLING 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)


31/

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

31/

02.Rolling stand frames; Roll mountings

31/

04..with tie rods, e.g. prestressed tie rods

31/

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

31/

07.Adaptation of roll bearings (bearings in general F16C)  [2]

31/

08.Interchanging rolls, roll mountings, or stand frames  [2]

31/

10..by horizontally displacing

31/

12..by vertically displacing

31/

14..by pivotally displacing

31/

16.Adjusting rolls (control devices B21B 37/00)

31/

18..by moving rolls axially

31/

20..by moving rolls perpendicularly to roll axis

31/

22...mechanically

31/

24....by screws

31/

26....Adjusting eccentrically-mounted roll bearings

31/

28....by toggle-lever mechanisms

31/

30....by wedges or their equivalent

31/

32...by liquid pressure


33/

00Safety devices not otherwise provided for (safety devices in general F16P); Breaker blocks; Devices for freeing jammed rolls  [2]

33/

02.Preventing fracture of rolls  [2]


35/

00Drives for metal-rolling mills

35/

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

35/

04..each stand having its own motor or motors

35/

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

35/

08..for reversing rolling mills

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  [2]

35/

12.Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor

35/

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


37/

00Control 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)

37/

16.Control of thickness, width, diameter or other transverse dimensions (B21B 37/58 takes precedence)  [6]

37/

18..Automatic gauge control  [6]

37/

20...in tandem mills  [6]

37/

22..Lateral spread control; Width control, e.g. by edge rolling  [6]

37/

24..Automatic variation of thickness according to a predetermined programme  [6]

37/

26...for obtaining one strip having successive lengths of different constant thickness  [6]

37/

28.Control of flatness or profile during rolling of strip, sheets or plates  [6]

37/

30..using roll camber control  [6]

37/

32...by cooling, heating or lubricating the rolls  [6]

37/

34...by hydraulic expansion of the rolls  [6]

37/

36...by radial displacement of the roll sleeve on a stationary roll beam by means of hydraulic supports  [6]

37/

38..using roll bending (B21B 37/42 takes precedence)  [6]

37/

40..using axial shifting of the rolls (B21B 37/42 takes precedence)  [6]

37/

42..using a combination of roll bending and axial shifting of the rolls  [6]

37/

44..using heating, lubricating or water-spray cooling of the product  [6]

37/

46.Roll speed or drive motor control (B21B 37/52, B21B 37/60 take precedence)  [6]

37/

48.Tension control; Compression control  [6]

37/

50..by looper control  [6]

37/

52..by drive motor control  [6]

37/

54...including coiler drive control, e.g. reversing mills  [6]

37/

56.Elongation control  [6]

37/

58.Roll-force control; Roll-gap control  [6]

37/

60..by control of a motor which drives an adjusting screw  [6]

37/

62..by control of a hydraulic adjusting device  [6]

37/

64..Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands  [6]

37/

66..Roll eccentricity compensation systems  [6]

37/

68.Camber or steering control for strip, sheets or plates, e.g. preventing meandering  [6]

37/

70.Length control (B21B 37/56 takes precedence)  [6]

37/

72.Rear end control; Front end control  [6]

37/

74.Temperature control, e.g. by cooling or heating the rolls or the product (B21B 37/32, B21B 37/44 take precedence)  [6]

37/

76..Cooling control on the run-out table  [6]

37/

78.Control of tube rolling  [6]


38/

00Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product  [6]

38/

02.for measuring flatness or profile of strips  [6]

38/

04.for measuring thickness, width, diameter or other transverse dimensions of the product  [6]

38/

06.for measuring tension or compression  [6]

38/

08.for measuring roll-force  [6]

38/

10.for measuring roll-gap, e.g. pass indicators  [6]

38/

12.for measuring roll camber  [6]


39/

00Arrangements 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)

39/

02.Feeding or supporting work; Braking or tensioning arrangements

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)

39/

06..Pushing or forcing work into pass

39/

08..Braking or tensioning arrangements

39/

10..Arrangement or installation of feeding rollers in rolling stands

39/

12..Arrangement or installation of roller tables in relation to a roll stand

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)

39/

16..immediately before entering or after leaving the pass

39/

18..Switches for directing work in metal-rolling mills or trains

39/

20.Revolving, turning-over, or like manipulation of work (guides in which work is subjected to permanent internal twisting B21B 15/02)

39/

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

39/

24..by tongs or grippers

39/

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

39/

28..by means of guide members shaped to revolve the work during its passage

39/

30..by lodging it in a rotating ring manipulator or ring segment manipulator

39/

32..Devices specially adapted for turning sheets

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


41/

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

41/

02.Returning work to repeat the pass or passes

41/

04..above or underneath the rolling stand or rolls

41/

06.in which the direction of movement of the work is turned through approximately 180°

41/

08.without overall change in the general direction of movement of the work

41/

10..Loop deflectors

41/

12.Arrangements of interest only with respect to provision for indicating or controlling operations


43/

00Cooling 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)

43/

02.Cooling beds comprising rakes or bars (B21B 43/10 takes precedence)  [2]

43/

04.Cooling beds comprising rolls or worms

43/

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

43/

08.Cooling beds comprising revolving drums or recycling chains

43/

10.Cooling beds with other work-shifting elements projecting through the bed

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  [2]


45/

00Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (B21B 15/00 takes precedence; technical features of scaling-off devices B21C 43/00)

45/

02.for lubricating, cooling, or cleaning

45/

04.for de-scaling

45/

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

45/

08..hydraulically


47/

00Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal (soaking pits C21D 9/70) [2]

47/

02.for folding sheets before rolling

47/

04.for separating layers after rolling


Indexing scheme associated with groups B21B 1/08 to B21B 1/14, relating to rolling work of special cross-section. The indexing codes should be unlinked. [7]

Note

 Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [7]


108:

00Work of special cross-section [7]

108:

02.Rail sections [7]

108:

04.H- or I-sections [7]

108:

06.L-sections [7]

108:

08.T-sections [7]

108:

10.U- or channel sections [7]

108:

12.Z-sections [7]

108:

14.Piling sections having lateral edges interlocking with each other to build a wall [7]


  B21 - B21B 29/00   
 

Copyright SciTecLibrary


To add the material   Terms of registration   Terms for placing technology, inventions, productions & other informations   Price list

You always can buy kamagra online now!
A few occasions when such websites were giving away Free Viagra Trial as real pills intended for door-to-door.