IPC 7 English version
  B29C 51/00 - B29C 57/12  
B29C05900-B29C06724
  B29C 69/00 - B29C 73/34  

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-māche 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]


59/

00Surface shaping, e.g. embossing; Apparatus therefor  [4]

59/

02.by mechanical means, e.g. pressing  [4]

59/

04..using rollers or endless belts  [4]

59/

06..using vacuum drums  [4]

59/

08.by flame treatment  [4]

59/

10.by electric discharge treatment (electrodes H01T)  [4]

59/

12..in an environment other than air  [4]

59/

14.by plasma treatment (in general H05H)  [4]

59/

16.by wave energy or particle radiation  [4]

59/

18.by liberation of internal stresses, e.g. plastic memory  [4]


61/

00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor (for surface shaping B29C 59/18; for lining articles B29C 63/38; for joining preformed parts B29C 65/66) [4]

61/

02.Thermal shrinking  [4]

61/

04.Thermal expansion  [4]

61/

06.Making preforms having internal stresses, e.g. plastic memory  [4]

61/

08..by stretching tubes  [4]

61/

10..by bending plates or sheets  [4]


63/

00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor (B29C 73/00 takes precedence; by blowing B29C 49/00; by thermoforming B29C 51/00) [4,5]

63/

02.using sheet or web-like material (B29C 63/26 takes precedence)  [4]

63/

04..by folding, winding, bending or the like  [4]

63/

06...around tubular articles  [4]

63/

08...by winding helically  [4]

63/

10....around tubular articles  [4]

63/

12...by winding spirally  [4]

63/

14....around tubular articles  [4]

63/

16..applied by "rubber" bag or diaphragm  [4]

63/

18.using tubular layers or sheathings (B29C 63/26 takes precedence)  [4]

63/

20..using pressure difference, e.g. vacuum  [4]

63/

22.using layers or sheathings having a shape adapted to the shape of the article (B29C 63/26 takes precedence)  [4]

63/

24.using threads  [4]

63/

26.Lining or sheathing of internal surfaces (B29C 63/38 takes precedence)  [4]

63/

28..applied by "rubber" bag or diaphragm  [4]

63/

30..using sheet or web-like material  [4]

63/

32...by winding helically  [4]

63/

34..using tubular layer or sheathings  [4]

63/

36...being turned inside out  [4]

63/

38.by liberation of internal stresses  [4]

63/

40..using sheet or web-like material  [4]

63/

42..using tubular layers or sheathings  [4]

63/

44..the shape of the layers or sheathings being adapted to the shape of the articles  [4]

63/

46..of internal surfaces  [4]

63/

48.Preparation of the surfaces  [4]


65/

00Joining of preformed parts; Apparatus therefor (for making boxes, cartons, envelopes or bags B31B; for sealing or securing package folds or closures B65B 51/00; joining constructional elements, in general F16B; splicing of light guides G02B 6/255) [4,5]

65/

02.by heating, with or without pressure  [4]

65/

04..Dielectric heating, e.g. high-frequency welding  [4]

65/

06..using friction, e.g. spin welding  [4]

65/

08..using ultrasonic vibrations  [4]

65/

10..using hot gases  [4]

65/

12...and welding bar  [4]

65/

14..using wave energy or particle radiation  [4]

65/

16...Laser beam  [4]

65/

18..using heated tool  [4]

65/

20...with direct contact, e.g. using "mirror"  [4]

65/

22...Heated wire  [4]

65/

24...characterised by the means for heating the tool  [4]

Note

 Classification is made in groups B29C 65/24 to B29C 65/32 only if the details or adaptations of the heating means are of interest.  [4]

65/

26....Hot fluid  [4]

65/

28....Flame or combustible material  [4]

65/

30....Electrical means  [4]

65/

32.....Induction  [4]

65/

34..using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"  [4]

65/

36...heated by induction  [4]

65/

38..Impulse heating  [4]

65/

40..Applying molten plastics, e.g. hot melt (using welding bar B29C 65/12; by moulding B29C 65/70)  [4]

65/

42...between pre-assembled parts  [4]

65/

44..Joining a heated non-plastics element to a plastics element  [4]

65/

46...heated by induction  [4]

65/

48.using adhesives (heat-activated B29C 65/02; hot melts B29C 65/40; non-mechanical parts of adhesive processes, in general C09J 5/00)  [4]

65/

50..using adhesive tape  [4]

65/

52..Applying the adhesive  [4]

65/

54...between pre-assembled parts  [4]

65/

56.using mechanical means  [4]

65/

58..Snap connection  [4]

65/

60..Riveting  [4]

65/

62..Stitching  [4]

65/

64..Joining a non-plastics element to a plastics element, e.g. by force (B29C 65/44 takes precedence)  [4]

65/

66.by liberation of internal stresses, e.g. shrinking of one of the parts to be joined  [4]

65/

68..using auxiliary shrinkable element  [4]

65/

70.by moulding (using a particular moulding technique, see the relevant place for that technique)  [4]

65/

72.by combined operations, e.g. welding and stitching  [4]

65/

74.by welding and severing  [4]

65/

76.Making non-permanent or releasable joints  [4]

65/

78.Means for handling the parts to be joined, e.g. for making containers or hollow articles  [4]

65/

80..Rotatable transfer means  [4]

65/

82.Testing the joint  [4]


67/

00Shaping techniques not covered by groups B29C 39/00 to B29C 65/00, B29C 70/00 or B29C 73/00  [4,6]

67/

02.Moulding by agglomerating  [4]

67/

04..Sintering (combined with compression B29C 43/00)  [4]

67/

06..Coagulating  [4]

67/

08.Screen moulding, e.g. forcing the moulding material through a perforated screen on to a moulding surface  [4]

67/

20.for porous or cellular articles, e.g. of foam plastics, coarse-pored  [4]

67/

24.characterised by the choice of material  [4]

  B29C 51/00 - B29C 57/12    B29C 69/00 - B29C 73/34