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
  B21D 21/00 - B21D 39/20  
B21D04100-B21D05500
 

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 DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING (operations of the kind involved in the manufacture of such products B21B, B21C; working or processing of wire B21F; cutting or severing devices or machines in general B26; presses in general B30B)


41/

00Application of procedures in order to alter the diameter of tube ends (B21D 39/00 takes precedence)

41/

02.Enlarging

41/

04.Reducing; Closing


43/

00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices (cutting devices associated with the tool, see the relevant group for the tool)

43/

02.Advancing work in relation to the stroke of the die or tool

43/

04..by means in mechanical engagement with the work

43/

05...specially adapted for multi-stage presses

43/

06...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

43/

08...by rollers

43/

09....by one or more pairs of rollers for feeding sheet or strip material  [2]

43/

10...by grippers

43/

11....for feeding sheet or strip material  [2]

43/

12...by chains or belts

43/

13...by linearly moving tables  [2]

43/

14...by turning devices, e.g. turn-tables

43/

16..by gravity, e.g. chutes

43/

18..by means in pneumatic or magnetic engagement with the work

43/

20.Storage arrangements; Piling or unpiling (in general B65G)

43/

22..Devices for piling sheets

43/

24..Devices for removing sheets from a stack

43/

26.Stops

43/

28.Associations of cutting devices therewith


45/

00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass

45/

02.Ejecting devices  [2]

45/

04..interrelated with motion of tool  [2]

45/

06.Stripping-off devices  [2]

45/

08..interrelated with motion of tool  [2]

45/

10.Combined ejecting and stripping-off devices  [2]


Processing sheet metal or metal tubes, or processing metal profiles according to any of the preceding groups, in the manufacture of finished or semi-finished articles


47/

00Making rigid structural elements or units, e.g. honeycomb structures

47/

01.beams or pillars  [2]

47/

02..by expanding  [2]

47/

04.composite sheet metal profiles


49/

00Sheathing or stiffening objects (by winding wire or tape thereon B65H 54/00, B65H 81/00; specially adapted for manufacturing conductors or cables H01B 13/26)


51/

00Making hollow objects (from thick-walled or non-uniform tubes B21K 21/00)

51/

02.not characterised by the particular use (cans or tins B21D 51/26)

51/

04..built-up objects, e.g. objects with rigidly-attached bottom or cover

51/

06..folded objects

51/

08..ball-shaped objects

51/

10..conically or cylindrically shaped objects

51/

12..objects with corrugated walls

51/

14..Flattening hollow objects for transport or storage; Re-forming same (making tubes from doubled flat material B21C 37/14)

51/

16.characterised by the particular structure or use (making heat exchangers B21D 53/02)

51/

18..vessels, e.g. tubs, vats, tanks, sinks, or the like

51/

20...barrels

51/

22...pots, e.g. for cooking

51/

24..high-pressure containers, e.g. boilers, bottles

51/

26..cans or tins; Closing same in a permanent manner (making outlet arrangements B21D 51/38; welding or soldering B23K)  [2]

51/

28...Folding the longitudinal seam

51/

30...Folding the circumferential seam

51/

32....by rolling

51/

34....by pressing

51/

36..collapsible or like thin-walled tubes, e.g. for toothpaste

51/

38..Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels

51/

40...Making outlet openings, e.g. bung holes

51/

42....Making or attaching spouts

51/

44...Making closures, e.g. caps (folded of thin metal foils in the way of making paper caps B31D 5/00; making closures in conjunction with applying same B67B)

51/

46....Placing sealings or sealing material

51/

48....Making crown caps

51/

50....Making screw caps

51/

52..boxes, cigarette cases, or the like

51/

54..cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants


53/

00Making other particular articles (making chains or chain parts B21L)

53/

02.heat exchangers, e.g. radiators, condensers (making finned or ribbed tubes by fixing strip material or the like to tubes B21C 37/22)  [2]

53/

04..of sheet metal

53/

06..of metal tubes

53/

08..of both metal tubes and sheet metal (connecting tubes in openings B21D 39/06)

53/

10.parts of bearings; sleeves; valve seats or the like

53/

12..cages for bearings

53/

14.belts, e.g. machine-gun belts

53/

16.rings, e.g. barrel hoops

53/

18..of hollow or C-shaped cross-section, e.g. for curtains, for eyelets

53/

20..washers, e.g. for sealing

53/

22...with means for preventing rotation

53/

24.nuts or like thread-engaging members

53/

26.wheels or the like

53/

28..gear wheels

53/

30..wheel rims

53/

32..wheel covers

53/

34..brake drums

53/

36.clips, clamps, or like fastening or attaching devices, e.g. for electric installation

53/

38.locksmith's goods, e.g. handles

53/

40..hinges, e.g. door hinge plates

53/

42..keys

53/

44.fancy goods, e.g. jewellery products (making wire fabrics B21F)

53/

46.haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples

53/

48..buttons, e.g. press-buttons, snap fasteners

53/

50..metal slide-fastener parts

53/

52...fastener elements; Attaching such elements so far as this procedure is combined with the process for making the elements

53/

54...slides

53/

56...stops

53/

58.end-pieces for laces or ropes

53/

60.cutlery wares; garden tools or the like

53/

62..spoons; table forks

53/

64..knives; scissors; cutting blades (B21D 53/72 takes precedence; handle portions B21D 53/70)

53/

66..spades; shovels (handle portions B21D 53/70)

53/

68..rakes, garden forks, or the like (handle portions B21D 53/70)

53/

70..handle portions (B21D 53/72 takes precedence)

53/

72..sickles; scythes

53/

74.frames for openings, e.g. for windows, doors, handbags

53/

76.writing or drawing instruments, e.g. writing pens, erasing pens

53/

78.propeller blades; turbine blades

53/

80.dustproof covers; safety covers

53/

82.perforated music sheets; pattern sheets, e.g. for control purposes, stencils

53/

84.other parts for engines, e.g. connecting-rods

53/

86.other parts for bicycles or motorcycles

53/

88.other parts for vehicles, e.g. cowlings, mudguards

53/

90..axle-housings

53/

92.other parts for aircraft



55/

00Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass (for presses in general B30B; safety devices in general F16P)


  B21D 21/00 - B21D 39/20   
 

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.