D02G

CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS

YARNS OR THREADS

Attention is drawn to the note following the title of class D02

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

D02G1/00

Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics yarns per se D02G3/00; during formation of artificial filaments, threads, or the like D01D5/22; general aspects of chemical treatment D06M

In the context of this group, the terms "texturing" or "texturising" encompass curling and crimping

D02G1/002

by knitting, weaving or tufting, fixing and then unravelling

D02G1/004

by heating fibres, filaments, yarns or threads so as to create a temperature gradient across their diameter, thereby imparting them latent asymmetrical shrinkage properties

D02G1/006

by impinging the yarn against an uneven surface and thereby deforming it

D02G1/008

with provision for imparting irregular effects to the yarn

D02G1/02

by twisting, fixing the twist and backtwisting, i.e. by imparting false twist

D02G1/0206

by false-twisting

D02G1/0213

after drawing the yarn on the same machine

D02G1/022

while simultaneously drawing the yarn

D02G1/0226

multiple false-twisting

D02G1/0233

with real twist being imparted to the yarn before or after false-twisting

D02G1/024

with provision for imparting irregular effects to the yarn

D02G1/0246

at least some of the filaments being simultaneously broken or cut, e.g. by stretching or abrading

D02G1/0253

while bonding at least some of the filaments or fibres together

D02G1/026

in the presence of a crimp finish

D02G1/0266

false-twisting machines

D02G1/0273

threading up and starting the false-twisting machine

D02G1/028

by twisting or false-twisting at least two filaments, yarns or threads, fixing the twist and separating the filaments, yarns or threads

D02G1/0286

characterised by the use of certain filaments, fibres or yarns

D02G1/0293

composed, at least in part, of natural fibres

D02G1/04

Devices for imparting false twist

D02G1/06

Spindles

D02G1/08

Rollers

or other friction causing elements

D02G1/082

with the periphery of at least one disc

D02G1/085

between crossed belts

D02G1/087

between the flanks of rotating discs

D02G1/10

using knife edges, e.g. heated knife edges, for edge crimping

D02G1/12

using stuffer boxes

D02G1/122

introducing the filaments in the stuffer box by means of a fluid jet

D02G1/125

including means for monitoring or controlling yarn processing

D02G1/127

including drawing or stretching on the same machine

D02G1/14

using grooved rollers or gear-wheel-type members

D02G1/16

using jets or streams of turbulent gases, e.g. air, steam

interlacing filaments D02J1/08

D02G1/161

yarn crimping air jets

D02G1/162

with provision for imparting irregular effects to the yarn

D02G1/164

in the presence of a liquid, e.g. a crimp finish

D02G1/165

characterised by the use of certain filaments or yarns

D02G1/167

including means for monitoring or controlling yarn processing

D02G1/168

including drawing or stretching on the same machine

D02G1/18

by combining fibres, filaments, or yarns, having different shrinkage characteristics

D02G1/004 takes precedence

D02G1/20

Combinations of two or more of the above-mentioned operations or devices

After-treatments for fixing crimp or curl

D02G1/205

After-treatments for fixing crimp or curl

D02G3/00

Yarns or threads, e.g. fancy yarns

Processes or apparatus for the production thereof, not otherwise provided for for producing crimped or curled yarns D02G1/00

In this main group, further classification in indexing scheme D10B for aspects relating to yarns is required.

D02G3/02

Yarns or threads characterised by the material or by the materials from which they are made

D02G3/025

Yarns or threads formed from hair horse-hair threads D02G3/14

D02G3/04

Blended or other yarns or threads containing components made from different materials

D02G3/042

all components being made from natural material

D02G3/045

all components being made from artificial or synthetic material

D02G3/047

including aramid fibres

D02G3/06

Threads formed from strip material other than paper

D02G3/08

Paper yarns or threads

D02G3/10

Yarns or threads formed from collagenous materials, e.g. catgut

surgical threads or yarns A61L

D02G3/12

Threads containing metallic filaments or strips

D02G3/14

Horse-hair threads

D02G3/16

Yarns or threads made from mineral substances

D02G3/18

from glass or the like

D02G3/182

the glass being present only in part of the structure

D02G3/185

in the core

D02G3/187

in the sheath

D02G3/20

from asbestos

D02G3/22

Yarns or threads characterised by constructional features

, e.g. blending, filament/fibre piecing of yarns or threads D01H15/00

D02G3/24

Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics

D02G3/26

with characteristics dependent on the amount or direction of twist

D02G3/28

Doubled, plied, or cabled threads

D02G3/32, D02G3/36 take precedence; effect yarns D02G3/34; details of spindles, e.g. bearings D01H7/86

D02G3/281

using one drawing frame for two slivers and twisting of the slivers to a single yarn, i.e. spin-twisting guides having associated actuators with mutual action D01H13/1658

D02G3/283

using hollow spindles through which one yarn is running

D02G3/285

one yarn running over the feeding spool of another yarn

D02G3/286

with alternatively "S" and "Z" direction of twist, e.g. Self-twist process

D02G3/288

with same direction of twist, but with an amount of twist varying along the thread

D02G3/30

Crêped or other highly-twisted yarns or threads

D02G3/32

Elastic yarns or threads

; Production of plied or cored yarns, one of which is elastic

D02G3/322

using hollow spindles details of spindles, e.g. bearings D01H7/86

D02G3/324

using a drawing frame

D02G3/326

the elastic properties due to the construction rather than to the use of elastic material

D02G3/328

containing elastane

D02G3/34

Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns

carding machines for producing decorative or fancy effects in products D01G; drafting machines with varying draft according to a pre-arranged pattern D01H5/36

D02G3/343

using hollow spindles details of spindles, e.g. bearings D01H7/86

D02G3/346

with coloured effects, i.e. by differential dyeing process

D02G3/36

Cored or coated yarns or threads

D02G3/34, D02G3/40 take precedence

; elastic yarns or threads D02G3/32

D02G3/362

using hollow spindles details of spindles, e.g. bearings D01H7/86

D02G3/365

around which a reel supporting feeding spool rotates

D02G3/367

using a drawing frame

D02G3/38

Threads in which fibres, filaments, or yarns are wound with other yarns or filaments,

e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn; D02G3/32 takes precedence

; covering endless core threads with fibres by using open-end spinning techniques D01H4/00

D02G3/385

using hollow spindles, e.g. making coverspun yarns

D02G3/40

Yarns in which fibres are united by adhesives

Impregnated yarns or threads

D02G3/402

the adhesive being one component of the yarn, i.e. thermoplastic yarn

D02G3/404

Yarns or threads coated with polymeric solutions

D02G3/406

where the polymeric solution is removable at a later stage, e.g. by washing

D02G3/408

Flocked yarns

D02G3/42

Chenille threads

D02G3/44

Yarns or threads characterised by the purpose for which they are designed

protective gloves A41D19/00; protective clothing A62B17/00; ropes D07B1/02

D02G3/441

Yarns or threads with antistatic, conductive or radiation-shielding properties electroconductive, anti-static or radiation-shielding filaments D01F1/09, D01F1/106; anti-static fabrics D03D15/533; conducting, insulating or anti-static layers for floor coverings D06N7/0042

D02G3/442

Cut or abrasion resistant yarns or threads

D02G3/443

Heat-resistant, fireproof or flame-retardant yarns or threads fire- or flame-proof filaments D01F1/07; woven fabrics using heat-resistant or fireproof threads D03D15/513

D02G3/444

Yarns or threads for use in sports applications strings for tennis rackets A63B51/02

D02G3/445

Yarns or threads for use in floor fabrics floor fabrics A47G27/00; floor coverings on textile basis D06N7/0005

D02G3/446

Yarns or threads for use in automotive applications

D02G3/447

Yarns or threads for specific use in general industrial applications, e.g. as filters or reinforcement

D02G3/448

Yarns or threads for use in medical applications D02G3/449 takes precedence; surgical suture materials A61L17/00

D02G3/449

Yarns or threads with antibacterial properties filaments containing agents inhibiting growth of microorganisms D01F1/103

D02G3/46

Sewing-cottons or the like

D02G3/48

Tyre cords

tyre reinforcements B60C9/00; metal cords for reinforcing rubber or plastic articles D07B1/0606