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IPC 7
  B29C 47/00 - B29C 49/80  
B29C05100-B29C05712
  B29C 59/00 - B29C 67/24  

SECTION B – PERFORMING OPERATIONS; TRANSPORTING


B 29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL (processing doughs A21C; working chocolate A23G; casting of metals B22; working cement, clay B28; chemical aspects, see section C, particularly C08; working glass C03B; candle making C11C 5/02; making soap C11D 13/00; manufacture of artificial filaments, threads, fibres, bristles or ribbons D01D, D01F; manufacture of articles from cellulosic fibrous suspensions or from papier-mâche D21J)


B 29 CSHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (working in the manner of metal B23; grinding, polishing B24; cutting B26D, B26F; making preforms B29B 11/00) [4]


51/

00Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor  [4]

51/

02.Combined thermoforming and manufacture of the preform  [4]

51/

04.Combined thermoforming and prestretching, e.g. biaxial stretching  [4]

51/

06..using pressure difference  [4]

51/

08.Deep-drawing or matched-mould forming, i.e. using mechanical means only  [4]

51/

10.Forming by pressure difference, e.g. vacuum  [4]

51/

12.of articles having inserts or reinforcements  [4]

51/

14.using multilayered preforms or sheets  [4]

51/

16.Lining or labelling  [4]

51/

18.Thermoforming apparatus  [4]

51/

20..having movable moulds or mould parts  [4]

51/

22...rotatable about an axis  [4]

51/

24...mounted on movable endless supports  [4]

51/

26.Component parts, details or accessories; Auxiliary operations  [4]

51/

28..for applying pressure through the wall of an inflated bag or diaphragm  [4]

51/

30..Moulds  [4]

51/

32...having cutting means  [4]

51/

34...for undercut articles  [4]

51/

36...specially adapted for vacuum forming  [4]

51/

38...Opening, closing or clamping means  [4]

51/

40...Venting means  [4]

51/

42..Heating or cooling  [4]

51/

44..Removing or ejecting moulded articles  [4]

51/

46..Measuring, controlling or regulating  [4]


53/

00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C 61/10 takes precedence) [4]

53/

02.Bending or folding (B29C 53/22, B29C 53/34, B29C 53/36, B29C 53/56 take precedence)  [4]

53/

04..of plates or sheets  [4]

53/

06...Forming folding lines by pressing or scoring  [4]

53/

08..of tubes  [4]

53/

10..of blown tubular films, e.g. gusseting  [4]

53/

12..helically, e.g. for making springs  [4]

53/

14.Twisting  [4]

53/

16.Straightening or flattening  [4]

53/

18..of plates or sheets  [4]

53/

20..of tubes  [4]

53/

22.Corrugating  [4]

53/

24..of plates or sheets  [4]

53/

26...parallel with direction of feed  [4]

53/

28...transverse to direction of feed  [4]

53/

30..of tubes (by blow-moulding B29C 49/00)  [4]

53/

32.Coiling (B29C 53/56 takes precedence)  [4]

53/

34.Rim rolling (of tube ends B29C 57/12)  [4]

53/

36.Bending and joining, e.g. for making hollow articles (B29C 53/56 takes precedence; from paper B31C)  [4]

53/

38..by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges  [4]

53/

40...for articles of definite length, i.e. discrete articles  [4]

53/

42....using internal forming surfaces, e.g. mandrels  [4]

53/

44.....rotatable about the axis of the article  [4]

53/

46....using external forming surfaces, e.g. sleeves  [4]

53/

48...for articles of indefinite length, i.e. bending a strip progressively  [4]

53/

50....using internal forming surfaces, e.g. mandrels  [4]

53/

52....using external forming surfaces, e.g. sleeves  [4]

53/

54....Guiding, aligning or shaping edges  [4]

53/

56.Winding and joining, e.g. winding spirally  [4]

53/

58..helically  [4]

53/

60...using internal forming surfaces, e.g. mandrels  [4]

53/

62....rotatable about the winding axis  [4]

53/

64.....and moving axially  [4]

53/

66.....with axially movable winding feed member  [4]

53/

68....with rotatable winding feed member  [4]

53/

70.....and moving axially  [4]

53/

72...using external forming surfaces  [4]

53/

74...using a forming surface in the shape of an endless belt which is recycled after the forming operation  [4]

53/

76...about more than one axis  [4]

53/

78...using profiled sheets or strips  [4]

53/

80.Component parts, details or accessories; Auxiliary operations  [4]

53/

82..Cores or mandrels  [4]

53/

84..Heating or cooling  [4]


55/

00Shaping by stretching, e.g. drawing through a die; Apparatus therefor (B29C 61/08 takes precedence) [4]

55/

02.of plates or sheets  [4]

55/

04..uniaxial, e.g. oblique  [4]

55/

06...parallel with the direction of feed  [4]

55/

08...transverse to the direction of feed  [4]

55/

10..multiaxial  [4]

55/

12...biaxial  [4]

55/

14....successively  [4]

55/

16....simultaneously  [4]

55/

18..by squeezing between surfaces, e.g. rollers  [4]

55/

20..Edge clamps  [4]

55/

22.of tubes  [4]

55/

24..radial  [4]

55/

26..biaxial  [4]

55/

28.of blown tubular films, e.g. by inflation  [4]

55/

30.Drawing through a die  [4]


57/

00Shaping of tube ends, e.g. flanging, belling, closing; Apparatus therefor  [4]

57/

02.Belling or enlarging, e.g. combined with forming a groove  [4]

57/

04..using mechanical means  [4]

57/

06...elastically deformable  [4]

57/

08..using pressure difference  [4]

57/

10.Closing  [4]

57/

12.Rim rolling  [4]

  B29C 47/00 - B29C 49/80    B29C 59/00 - B29C 67/24  
 

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