IPC 6 English version B29B !A-B29B 17/02

B29-B29B01702

SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 29

WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL (processing doughs A 21 C; working chocolate A 23 G; casting of metals B 22; working cement, clay B 28; chemical aspects, see section C, particularly C 08; working glass C 03 B; candle making C 11 C 5/02; making soap C 11 D 13/00; manufacture of artificial filaments, threads, fibres, bristles or ribbons D 01 D, D 01 F; manufacture of articles from cellulosic fibrous suspensions or from papier-mâche D 21 J)

B 29 B

PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS [4]

Note

In this subclass, it is desirable to add the indexing codes of subclass B 29 K. The indexing codes should be unlinked. [4]

Mixing; Kneading (in general B 01 F; combined with calendering B 29 C 43/24, with injection B 29 C 45/46, with extrusion B 29 C 47/36) [4]

non-continuous, with mechanical mixing or kneading devices, i.e. batch type [4]

with non-movable mixing or kneading devices [4]

with movable mixing or kneading devices [4]

shaking, oscillating or vibrating [4]

rotary [4]

with single shaft [4]

with screw or helix [4]

with paddles or arms [4]

with more than one shaft [4]

with intermeshing devices, e.g. screws [4]

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

for feeding [4]

for discharging, e.g. doors [4]

for measuring, controlling or regulating, e.g. viscosity control [4]

continuous, with mechanical mixing or kneading devices [4]

with non-movable mixing or kneading devices [4]

with movable mixing or kneading devices [4]

shaking, oscillating or vibrating [4]

rotary (B 29 B 7/52 takes precedence) [4]

with single shaft [4]

with screw or helix [4]

with paddles or arms [4]

with more than one shaft [4]

with intermeshing devices, e.g. screws [4]

with rotary casing [4]

with rollers or the like, e.g. calenders [4]

with a single roller co-operating with a stationary member [4]

with co-operating rollers [4]

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

for feeding, e.g. end guides for the incoming material [4]

Rollers, e.g. with grooves [4]

Stripping the material from the rollers [4]

Recycling the material [4]

Positioning of rollers [4]

Conditioning of rollers, e.g. cleaning [4]

Measuring, controlling or regulating [4]

using other mixers or combinations of dissimilar mixers [4]

with stream impingment mixing head [4]

by gravity, e.g. falling particle mixers [4]

Component parts, details or accessories; Auxiliary operations (B 29 B 7/22, B 29 B 7/58 take precedence) [4]

Heating or cooling [4]

Venting or degassing [4]

for working at sub- or superatmospheric pressure [4]

Adding charges [4]

Fillers or reinforcements [4]

Wood chips or wood fibres [4]

Liquid charges [4]

Making granules (in general B 01 J; chemical aspects C 08 J 3/12) [4]

by dividing preformed material [4]

in the form of plates or sheets [4]

in the form of filamentary material, e.g. combined with extrusion [4]

by agglomerating smaller particles [4]

by moulding the material, i.e. treating it in the molten state [4]

characterised by structure or composition [4]

fibre-reinforced [4]

Auxiliary treatment of granules [4]

11/

Making preforms (B 29 C 61/06 takes precedence) [4]

11/

by dividing preformed material, e.g. sheets, rods [4]

11/

by assembling preformed material [4]

11/

by moulding the material [4]

11/

Injection moulding [4]

11/

Extrusion moulding [4]

11/

Compression moulding [4]

11/

characterised by structure or composition [4]

11/

comprising fillers or reinforcements [4]

13/

Conditioning or physical treatment of the material to be shaped (chemical aspects C 08 J 3/00) [4]

13/

by heating (B 29 B 13/06, B 29 B 13/08 take precedence) [4]

13/

by cooling [4]

13/

by drying (B 29 B 13/08 takes precedence) [4]

13/

by using wave energy or particle radiation [4]

13/

by grinding, e.g. by triturating; by sieving; by filtering [4]

15/

Pretreatment of the material to be shaped, not covered by groups B 29 B 7/00 to B 29 B 13/00 [4]

15/

of crude rubber, gutta-percha, or similar substances (tapping latex A 01 G; chemical aspects C 08 C) [4]

15/

Coagulating devices [4]

15/

Washing devices [4]

15/

of reinforcements or fillers (chemical aspects C 08 J, C 08 K) [4]

15/

Coating or impregnating (applying liquids in general B 05) [4]

15/

of reinforcements of indefinite length [4]

15/

of filaments or wires [4]

17/

Recovery of plastics or other constituents of waste material containing plastics (chemical recovery C 08 J 11/00) [4]

17/

Separating plastics from other materials [4]