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IPC 7
 
B29C-B29C04152
  B29C 43/00 - B29C 45/84  

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]


Notes

(1)Attention is drawn to Note (3) following the title of class B29.  [4]

(2)When classifying in this subclass, classification is also made in subclass B32B insofar as any layered product is concerned.  [4]

(3)In this subclass:

 repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D, is classified in group B29C 73/00;

 component parts, details, accessories or auxiliary operations which are applicable to more than one moulding technique are classified in groups B29C 31/00 to B29C 37/00;

 component parts, details, accessories or auxiliary operations which are only applicable or only of use for one specific shaping technique are classified only in the relevant subgroups of groups B29C 39/00 to B29C 71/00.

 (See paragraph 69 of the Guide.)  [4,5]

(4)In this subclass, it is desirable to add the indexing codes of subclasses B29K and B29L. The indexing codes should be unlinked.  [4]


Subclass Index

COMPONENT PARTS, DETAILS ACCESSORIES, AUXILIARY OPERATIONS 

Moulds or cores 

B29C 33/00 

Heating, cooling, curing 

B29C 35/00 

Other features 

B29C 31/00, B29C 37/00 

MOULDING 

by casting, by coating a mould 

B29C 39/00, B29C 41/00 

Compression moulding 

B29C 43/00 

by internal pressure 

B29C 44/00 

Injection moulding 

B29C 45/00 

Extrusion moulding 

B29C 47/00 

Blow-moulding 

B29C 49/00 

Thermoforming 

B29C 51/00 

OTHER SHAPING TECHNIQUES 

Bending, folding, twisting, straightening, flattening 

B29C 53/00 

Stretching 

B29C 55/00 

Liberation of internal stresses 

B29C 61/00 

Other techniques 

B29C 67/00 

JOINING 

B29C 65/00 

PARTICULAR APPLICATIONS 

Shaping tube ends 

B29C 57/00 

Surface shaping 

B29C 59/00 

Lining or sheathing 

B29C 63/00 

Shaping composites 

B29C 70/00 

COMBINATIONS OF SHAPING TECHNIQUES 

B29C 69/00 

AFTER-TREATMENT 

B29C 71/00 

REPAIRING 

B29C 73/00 



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

Note

 Attention is drawn to Note (3) following the subclass title.  [4]


31/

00Handling, e.g. feeding of the material to be shaped (in general B65G) [4]

31/

02.Dispensing from vessels, e.g. hoppers  [4]

31/

04.Feeding, e.g. into a mould cavity (to presses in general B30B 15/30)  [4]

31/

06..in measured doses (in general G01F)  [4]

31/

08..of preforms  [4]

31/

10..of several materials  [4]


33/

00Moulds or cores; Details thereof or accessories therefor  [4]

33/

02.with incorporated heating or cooling means  [4]

33/

04..using liquids, gas or steam  [4]

33/

06..using radiation  [4]

33/

08..for dielectric heating  [4]

33/

10.with incorporated venting means  [4]

33/

12.with incorporated means for positioning inserts, e.g. labels  [4]

33/

14..against the mould wall  [4]

33/

16...using magnetic means  [4]

33/

18...using vacuum  [4]

33/

20.Opening, closing or clamping  [4]

33/

22..by rectilinear movement  [4]

33/

24...using hydraulic or pneumatic means  [4]

33/

26..by pivotal movement  [4]

33/

28...using hydraulic or pneumatic means  [4]

33/

30.Mounting, exchanging or centering  [4]

33/

32..using magnetic means  [4]

33/

34.movable, e.g. to or from the moulding station  [4]

33/

36..continuously movable  [4]

33/

38.characterised by the material or the manufacturing process (B29C 33/44 takes precedence; manufacture of moulds or parts thereof from metal B22, B23)  [4]

33/

40..Plastics, e.g. foam, rubber  [4]

33/

42.characterised by the shape of the moulding surface, e.g. ribs, grooves  [4]

33/

44.with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles  [4]

33/

46..using fluid pressure  [4]

33/

48..with means for collapsing or disassembling  [4]

33/

50...elastic  [4]

33/

52..soluble or fusible  [4]

33/

54..made of powdered or granular material  [4]

33/

56.Coatings; Releasing, lubricating or separating agents  [4]

33/

58..Applying the releasing agents  [4]

33/

60..Releasing, lubricating or separating agents  [4]

33/

62...based on polymers or oligomers  [4]

33/

64....Silicone  [4]

33/

66....Cellulose; Derivatives thereof  [4]

33/

68..Release sheets  [4]

33/

70.Maintenance  [4]

33/

72..Cleaning  [4]

33/

74..Repairing  [4]

33/

76.Cores (B29C 33/02 to B29C 33/70 take precedence)  [4]


35/

00Heating, cooling or curing, e.g. crosslinking, vulcanising; Apparatus therefor (moulds with incorporated heating or cooling means B29C 33/02; curing devices for plastics dental prostheses A61C 13/14; before moulding B29B 13/00; chemical aspects C08J 3/00) [4]

35/

02.Heating or curing, e.g. crosslinking, vulcanising (cold vulcanisation B29C 35/18)  [4]

35/

04..using liquids, gas or steam  [4]

35/

06...for articles of indefinite length  [4]

35/

08..by wave energy or particle radiation  [4]

35/

10...for articles of indefinite length  [4]

35/

12..Dielectric heating  [4]

35/

14...for articles of indefinite length  [4]

35/

16.Cooling  [4]

35/

18.Cold vulcanisation  [4]


37/

00Component parts, details, accessories or auxiliary operations, not covered by group B29C 33/00 or B29C 35/00  [4]

37/

02.Deburring or deflashing (by grinding or polishing B24B)  [4]

37/

04..of welded articles, e.g. deburring or deflashing in combination with welding  [4]


Particular shaping techniques, e.g. moulding, joining; Apparatus therefor  [4]

Note

 Attention is drawn to Note (3) following the subclass title.  [4]


39/

00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor (B29C 41/00 takes precedence) [4]

39/

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

39/

04..using movable moulds (B29C 41/02 takes precedence)  [4]

39/

06...continuously movable, e.g. along a production line  [4]

39/

08...Introducing the material into the mould by centrifugal force  [4]

39/

10..incorporating preformed parts or layers, e.g. casting around inserts or for coating articles  [4]

39/

12..Making multilayered or multicoloured articles  [4]

39/

14.for making articles of indefinite length  [4]

39/

16..between endless belts  [4]

39/

18..incorporating preformed parts or layers, e.g. casting around inserts or for coating articles  [4]

39/

20..Making multilayered or multicoloured articles  [4]

39/

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

39/

24..Feeding the material into the mould  [4]

39/

26..Moulds or cores  [4]

39/

28...with means to avoid flashes  [4]

39/

30...with means for cutting the article  [4]

39/

32...with joints or the like for making the mould impervious  [4]

39/

34...for undercut articles  [4]

39/

36..Removing moulded articles  [4]

39/

38..Heating or cooling  [4]

39/

40..Compensating volume change, e.g. retraction  [4]

39/

42..Casting under special conditions, e.g. vacuum  [4]

39/

44..Measuring, controlling or regulating  [4]


41/

00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor (with compacting pressure B29C 43/00) [4]

41/

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

41/

04..Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould  [4]

41/

06...about two or more axes  [4]

41/

08..Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder  [4]

41/

10...by fluidisation  [4]

41/

12..Spreading-out the material on a substrate  [4]

41/

14..Dipping a core  [4]

41/

16..Slip casting, i.e. applying a slip or slurry on a perforated or porous or absorbent surface with the liquid being drained away  [4]

41/

18..Slush casting, i.e. pouring moulding material into a hollow mould with excess material being poured off  [4]

41/

20..incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles  [4]

41/

22..Making multilayered or multicoloured articles  [4]

41/

24.for making articles of indefinite length  [4]

41/

26..by depositing flowable material on a rotating drum  [4]

41/

28..by depositing flowable material on an endless belt  [4]

41/

30..incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles  [4]

41/

32..Making multilayered or multicoloured articles  [4]

41/

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

41/

36..Feeding the material on to the mould, core or other substrate  [4]

41/

38..Moulds, cores or other substrates  [4]

41/

40...Cores  [4]

41/

42..Removing articles from moulds, cores or other substrates  [4]

41/

44...Articles of indefinite length  [4]

41/

46..Heating or cooling  [4]

41/

48..Compensating volume change, e.g. retraction  [4]

41/

50..Shaping under special conditions, e.g. vacuum  [4]

41/

52..Measuring, controlling or regulating  [4]

   B29C 43/00 - B29C 45/84  
 

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