|  | B |
SECTION B — PERFORMING OPERATIONS

SHAPING

|  | B29 |
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING OF SUBSTANCES NOT OTHERWISE PROVIDED FOR (see Section C, particularly Fulltext... Hierarchy... Expanded...C08, for chemical matters; shaping clay or other ceramic compositions, slag, or mixtures containing cementitious material Fulltext... Hierarchy... Expanded...B28B)

|  | B29 |
Note(s) For the purpose of this class, "plastics" means macromolecular compounds or compositions based thereon. A product is not classified here unless it results from a process which is itself classified in this class.

|  | B29F |
PROCESSES OR APPARATUS PREDOMINANTLY USED FOR SHAPING OF THERMOPLASTIC SUBSTANCES (shaping of plastics in general, casting plastics in an open mould, joining plastics Fulltext... Hierarchy... Expanded...B29C)

|  | B29F |
Note(s) This sub-class includes the working of thermosetting substances by the same processes or apparatus.

|  | B29F 1/00 |
Injection moulding (for producing tubular bodies Fulltext... Hierarchy... Expanded...B29D 23/02)

|  | B29F 1/02 |
· | Injection heads; Injection cylinders, e.g. involving screw conveyers

|  | B29F 1/022 |
· · | Dies

|  | B29F 1/03 |
· · | Injector nozzles; Feed stopping equipment; Cleaning equipment

|  | B29F 1/04 |
· · | Positive-displacement constructions, i.e. constructions for displacing measured doses; Flow control, e.g. "torpedo" constructions

|  | B29F 1/05 |
· · | Cutting-off equipment for ingates

|  | B29F 1/06 |
· | Means for forcing material into mould; Regulating the pressure on the material to be injected or on interlocked parts of the mould

|  | B29F 1/08 |
· | Heating or cooling the material to be injected

|  | B29F 1/10 |
· | Coating articles by injection moulding, the article being preformed, or formed, simultaneously with the coating

|  | B29F 1/12 |
· | of multicoloured stream of injected material; Moulds for injection moulding of multicoloured articles

|  | B29F 1/14 |
· | Ejection means for moulded articles

|  | B29F 3/00 |
Extrusion moulding (producing films, tubular bodies, or articles Fulltext... Hierarchy... Expanded...B29D; making particle board, fibre board, or articles moulded from wood particles or fibres Fulltext... Hierarchy... Expanded...B29J 5/00)

|  | B29F 3/01 |
· | Extrusion presses predominantly used for shaping of thermoplastic substances (special adaptations to the shaping of thermosetting substances Fulltext... Hierarchy... Expanded...B29G 2/00; extrusion presses in general Fulltext... Hierarchy... Expanded...B30B 11/22)

|  | B29F 3/012 |
· · | using rollers or discs

|  | B29F 3/014 |
· · | using press rams

|  | B29F 3/02 |
· | Mixing, kneading, or conveying devices combined with extrusion presses

|  | B29F 3/03 |
· | Venting, gas or steam exhausting devices combined with extrusion presses

|  | B29F 3/04 |
· | Extrusion nozzles

|  | B29F 3/06 |
· | Means for forcing material through nozzle; Regulating the pressure on the material to be extruded

|  | B29F 3/08 |
· | Heating or cooling the material to be extruded, or the stream of extruded material

|  | B29F 3/10 |
· | Coating cores by extrusion (coating threads with spinning solutions or melts Fulltext... Hierarchy... Expanded...D01D 11/06)

|  | B29F 3/12 |
· | of multicoloured stream of extruded material

|  | B29F 5/00 |
Other means for shaping, specially adapted for thermoplastic substances, e.g. sintering powders

|  | B29F 5/02 |
· | by sintering compactly (porously Fulltext... Hierarchy... Expanded...B29D 27/06)