IPC 7 English version B29C 69/00-B29C 73/34

B29C06900-B29C07334

SECTION B – PERFORMING OPERATIONS; TRANSPORTING

B 29

WORKING 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 C

SHAPING 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]

69/

Combinations of shaping techniques not provided for in a single one of main groups B29C 39/00 to B29C 67/00, e.g. associations of moulding and joining techniques; Apparatus therefor [4]

69/

of moulding techniques only [4]

70/

Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts (chemical aspects C08, e.g. C08J 5/00) [6]

Note

In this group, the following terms or expressions are used with the meanings indicated: [6]

–

"reinforcement" means a structure in the form of fibres, wires, rods, bars, sections, plates or blocks, which improves the strength of an article; [6]

–

"filler" means a relatively inert substance in the form of particles, powder, beads, flakes or spheres, which improves the physical properties or increases the bulk or weight of an article; [6]

–

"preformed part" means a part made of any material, being completely shaped to have a determined form and which is not used as a reinforcement, e.g. wires or nets forced only into the surface of an article; [6]

–

"insert" means a preformed part incorporated in an article during moulding. [6]

70/

comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers [6]

70/

comprising reinforcements only, e.g. self-reinforcing plastics [6]

70/

Fibrous reinforcements only [6]

70/

comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers [6]

70/

characterised by the structure of fibrous reinforcements [6]

70/

using fibres of short length, e.g. in the form of a mat [6]

70/

oriented (oriented filler material B29C 70/62) [6]

70/

using fibres of substantial or continuous length [6]

70/

in the form of a mat, e.g. sheet moulding compound (SMC) [6]

70/

oriented in a single direction, e.g. roving or other parallel fibres [6]

70/

oriented in at least two directions forming a two dimensional structure [6]

70/

oriented in at least three directions forming a three dimensional structure [6]

70/

Non-fibrous reinforcements only [6]

70/

Shaping operations therefor [6]

Notes

(1)

This group covers: [6]

–

the shaping of coherent fibrous reinforcements which are pre-impregnated or without binder, or of non-coherent reinforcements of fibres placed in a mould or on a support; [6]

–

the impregnation or introduction of a plastics matrix in reinforcements during shaping. [6]

(2)

This group does not cover: [6]

–

the moulding by a single technique of plastics matrix material mixed with and containing reinforcing fibres of short length, which is covered by the appropriate place for that technique; [6]

–

the pretreatment, e.g. impregnation, of reinforcements per se, i.e. independently of their shaping, which is covered by group B29B 15/08. [6]

70/

Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core [6]

70/

on a rotating mould, former or core [6]

70/

and shaping or impregnating by compression [6]

70/

and impregnating by casting, e.g. vacuum casting [6]

70/

Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns [6]

70/

Shaping or impregnating by compression (B29C 70/34 takes precedence) [6]

70/

for producing articles of definite length, i.e. discrete articles [6]

70/

using isostatic pressure, e.g. pressure difference-, vacuum bag-, autoclave- or expanding rubber-moulding [6]

70/

using matched moulds, e.g. for deforming sheet moulding compounds (SMC), prepregs [6]

70/

and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding (RTM) [6]

70/

for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds (SMC), cross moulding compounds (XMC) [6]

70/

Pultrusion, i.e. forming and compressing by continuously pulling through a die [6]

70/

Component parts, details or accessories; Auxiliary operations [6]

70/

Tensioning reinforcements before or during shaping [6]

70/

comprising fillers only [6]

Note

Moulding of plastics matrix material mixed with fillers by a single technique is classified in the appropriate place for that technique. [6]

70/

comprising a combination of distinct filler types incorporated in matrix material, forming one or more layers, and with or without non-filled layers [6]

70/

the filler being oriented during moulding (for fibres of short length B29C 70/14) [6]

70/

the filler influencing the surface characteristics of the material, e.g. by concentrating near the surface or by incorporation into the surface by force [6]

70/

the filler comprising hollow constituents, e.g. syntactic foam [6]

70/

by incorporating or moulding on preformed parts, e.g. inserts, layers [6]

Note

This group does not cover: [6]

–

incorporating, or moulding on, preformed parts by a single technique, which is covered by the appropriate place for that technique; [6]

–

pretreatment of preformed parts per se, i.e. independently of their shaping, which is covered by group B29B 15/00. [6]

70/

Completely encapsulating inserts [6]

70/

Encapsulating inserts having non-encapsulated projections, e.g. extremities, terminal portions of electrical components [6]

70/

Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding [6]

70/

Moulding on edges or extremities of the preformed part [6]

70/

Moulding material on one side only of the preformed part [6]

70/

Moulding sealing material into closure members [6]

70/

Forcing wires, nets or the like partially or completely into the surface of an article, e.g. by cutting and pressing (pressing beads or the like into a surface B29C 70/64) [6]

70/

Moulding material on preformed parts to be joined [6]

70/

Incorporating in coherent impregnated reinforcing layers [6]

70/

characterised primarily by possessing specific properties, e.g. electrically conductive, locally reinforced [6]

71/

After-treatment of articles without altering their shape; Apparatus therefor (B29C 44/56, B29C 73/00 take precedence; surface shaping B29C 59/00; chemical aspects C08J 7/00) [4,5,6]

71/

Thermal after-treatment [4]

71/

by wave energy or particle radiation [4]

73/

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 (retreading tyres B29D 30/54; devices for covering leaks in pipes or hoses F16L 55/16) [5]

73/

using liquid or paste-like material (B29C 73/16 takes precedence) [5]

73/

using preformed elements [5]

73/

using plugs sealing in the hole [5]

73/

Apparatus therefor, e.g. for inserting [5]

73/

using patches sealing on the surface of the article (B29C 73/14 takes precedence) [5]

73/

Apparatus therefor, e.g. for applying (B29C 73/30 takes precedence) [5]

73/

using elements composed of two parts joined together after having been placed one on each side of the article [5]

73/

Auto-repairing or self-sealing arrangements or agents (sealing compositions, see Section C, e.g. C09K 3/10) [5]

73/

the article material itself being self-sealing, e.g. by compression [5]

73/

the article material only consisting in part of a deformable sealing material [5]

73/

the article containing elements including a sealing composition, e.g. powder being liberated when the article is damaged [5]

73/

Apparatus or accessories not otherwise provided for [5]

73/

for mechanical pretreatment [5]

73/

for clamping and stretching flexible material, e.g. inner tubes [5]

73/

for local pressing or local heating [5]

73/

using an elastic element, e.g. inflatable bag [5]

73/

for local heating [5]

B29C 59/00 - B29C 67/24