Cooperative Patent Classification

Indent Level

Version: 2016.11
CPC
COOPERATIVE PATENT CLASSIFICATION
D02G
CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS [2013-01]
NOTE

  • Attention is drawn to the note following the title of class D02
D02G 1/00
Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics (yarns per se D02G 3/00; during formation of artificial filaments, threads, or the like D01D 5/22; general aspects of chemical treatment D06M) [2013-01]
NOTE

  • In the context of this group, the terms "texturing" or "texturising" encompass curling and crimping
D02G 1/002
.
{by knitting, weaving or tufting, fixing and then unravelling} [2013-01]
D02G 1/004
.
{by heating fibres, filaments, yarns or threads so as to create a temperature gradient across their diameter, thereby imparting them latent asymmetrical shrinkage properties} [2013-01]
D02G 1/006
.
{by impinging the yarn against an uneven surface and thereby deforming it} [2013-01]
D02G 1/008
.
{with provision for imparting irregular effects to the yarn} [2013-01]
D02G 1/02
.
by twisting, fixing the twist and backtwisting, i.e. by imparting false twist [2013-01]
D02G 1/0206
. .
{by false-twisting} [2013-01]
D02G 1/0213
. . .
{after drawing the yarn on the same machine} [2013-01]
D02G 1/022
. . .
{while simultaneously drawing the yarn} [2013-01]
D02G 1/0226
. . .
{multiple false-twisting} [2013-01]
D02G 1/0233
. . .
{with real twist being imparted to the yarn before or after false-twisting} [2013-01]
D02G 1/024
. . .
{with provision for imparting irregular effects to the yarn} [2013-01]
D02G 1/0246
. . .
{at least some of the filaments being simultaneously broken or cut, e.g. by stretching or abrading} [2013-01]
D02G 1/0253
. . .
{while bonding at least some of the filaments or fibres together} [2013-01]
D02G 1/026
. . .
{in the presence of a crimp finish} [2013-01]
D02G 1/0266
. . .
{false-twisting machines} [2013-01]
D02G 1/0273
. . . .
{threading up and starting the false-twisting machine} [2013-01]
D02G 1/028
. .
{by twisting or false-twisting at least two filaments, yarns or threads, fixing the twist and separating the filaments, yarns or threads} [2013-01]
D02G 1/0286
. .
{characterised by the use of certain filaments, fibres or yarns} [2013-01]
D02G 1/0293
. . .
{composed, at least in part, of natural fibres} [2013-01]
D02G 1/04
. .
Devices for imparting false twist [2013-01]
D02G 1/06
. . .
Spindles [2013-01]
D02G 1/08
. . .
Rollers {or other friction causing elements} [2013-01]
D02G 1/082
. . . .
{with the periphery of at least one disc} [2013-01]
D02G 1/085
. . . .
{between crossed belts} [2013-01]
D02G 1/087
. . . .
{between the flanks of rotating discs} [2013-01]
D02G 1/10
.
using knife edges, e.g. heated knife edges, for edge crimping [2013-01]
D02G 1/12
.
using stuffer boxes [2013-01]
D02G 1/122
. .
{introducing the filaments in the stuffer box by means of a fluid jet} [2013-01]
D02G 1/125
. .
{including means for monitoring or controlling yarn processing} [2013-01]
D02G 1/127
. .
{including drawing or stretching on the same machine} [2013-01]
D02G 1/14
.
using grooved rollers or gear-wheel-type members [2013-01]
D02G 1/16
.
using jets or streams of turbulent gases, e.g. air, steam {(interlacing filaments D02J 1/08)} [2013-01]
D02G 1/161
. .
{yarn crimping air jets} [2013-01]
D02G 1/162
. .
{with provision for imparting irregular effects to the yarn} [2013-01]
D02G 1/164
. .
{in the presence of a liquid, e.g. a crimp finish} [2013-01]
D02G 1/165
. .
{characterised by the use of certain filaments or yarns} [2013-01]
D02G 1/167
. .
{including means for monitoring or controlling yarn processing} [2013-01]
D02G 1/168
. .
{including drawing or stretching on the same machine} [2013-01]
D02G 1/18
.
by combining fibres, filaments, or yarns, having different shrinkage characteristics {(D02G 1/004 takes precedence)} [2013-01]
D02G 1/20
.
Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl [2013-01]
D02G 1/205
. .
{After-treatments for fixing crimp or curl} [2013-01]
D02G 3/00
Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for (for producing crimped or curled yarns D02G 1/00) [2013-01]
D02G 3/02
.
Yarns or threads characterised by the material or by the materials from which they are made [2013-01]
D02G 3/025
. .
{Yarns or threads formed from hair (horse-hair threads D02G 3/14)} [2013-01]
D02G 3/04
. .
Blended or other yarns or threads containing components made from different materials [2013-01]
D02G 3/042
. . .
{all components being made from natural material} [2013-01]
D02G 3/045
. . .
{all components being made from artificial or synthetic material} [2013-01]
D02G 3/047
. . .
{including aramid fibres} [2013-01]
D02G 3/06
. .
Threads formed from strip material other than paper [2013-01]
D02G 3/08
. .
Paper yarns or threads [2013-01]
D02G 3/10
. .
Yarns or threads formed from collagenous material, e.g. catgut {(surgical threads or yarns A61L)} [2013-01]
D02G 3/12
. .
Threads containing metallic filaments or strips [2013-01]
D02G 3/14
. .
Horse-hair threads [2013-01]
D02G 3/16
. .
Yarns or threads made from mineral substances [2013-01]
D02G 3/18
. . .
from glass or the like [2013-01]
D02G 3/182
. . . .
{the glass being present only in part of the structure} [2013-01]
D02G 3/185
. . . . .
{in the core} [2013-01]
D02G 3/187
. . . . .
{in the sheath} [2013-01]
D02G 3/20
. . .
from asbestos [2013-01]
D02G 3/22
.
Yarns or threads characterised by constructional features, {e.g. blending, filament/fibre (piecing of yarns or threads D01H 15/00)} [2013-01]
D02G 3/24
. .
Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics [2013-01]
D02G 3/26
. .
with characteristics dependent on the amount or direction of twist [2013-01]
D02G 3/28
. . .
Doubled, plied, or cabled threads {(D02G 3/32, D02G 3/36 take precedence; effect yarns D02G 3/34; details of spindles, e.g. bearings D01H 7/86)} [2013-01]
D02G 3/281
. . . .
{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 D01H 13/1658)} [2013-01]
D02G 3/283
. . . .
{using hollow spindles through which one yarn is running} [2013-01]
D02G 3/285
. . . .
{one yarn running over the feeding spool of another yarn} [2013-01]
D02G 3/286
. . . .
{with alternatively "S" and "Z" direction of twist, e.g. Self-twist process} [2013-01]
D02G 3/288
. . . .
{with same direction of twist, but with an amount of twist varying along the thread} [2013-01]
D02G 3/30
. . .
Crêped or other highly-twisted yarns or threads [2013-01]
D02G 3/32
. .
Elastic yarns or threads; {Production of plied or cored yarns, one of which is elastic} [2013-01]
D02G 3/322
. . .
{using hollow spindles (details of spindles, e.g. bearings D01H 7/86)} [2013-01]
D02G 3/324
. . .
{using a drawing frame} [2013-01]
D02G 3/326
. . .
{the elastic properties due to the construction rather than to the use of elastic material} [2013-01]
D02G 3/328
. . .
{containing elastane} [2013-01]
D02G 3/34
. .
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 D01H 5/36)} [2013-01]
D02G 3/343
. . .
{using hollow spindles (details of spindles, e.g. bearings D01H 7/86)} [2013-01]
D02G 3/346
. . .
{with coloured effects, i.e. by differential dyeing process} [2013-01]
D02G 3/36
. .
Cored or coated yarns or threads ({D02G 3/34, D02G 3/40 take precedence }; elastic yarns or threads D02G 3/32) [2013-01]
D02G 3/362
. . .
{using hollow spindles (details of spindles, e.g. bearings D01H 7/86)} [2013-01]
D02G 3/365
. . . .
{around which a reel supporting feeding spool rotates} [2013-01]
D02G 3/367
. . .
{using a drawing frame} [2013-01]
D02G 3/38
. .
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; (D02G 3/32 takes precedence)}; (covering endless core threads with fibres by using open-end spinning techniques D01H 4/00) [2013-01]
D02G 3/385
. . .
{using hollow spindles, e.g. making coverspun yarns} [2013-01]
D02G 3/40
. .
Yarns in which fibres are united by adhesives; Impregnated yarns or threads [2013-01]
D02G 3/402
. . .
{the adhesive being one component of the yarn, i.e. thermoplastic yarn} [2013-01]
D02G 3/404
. . .
{Yarns or threads coated with polymeric solutions} [2013-01]
D02G 3/406
. . . .
{where the polymeric solution is removable at a later stage, e.g. by washing} [2013-01]
D02G 3/408
. . .
{Flocked yarns} [2013-01]
D02G 3/42
. .
Chenille threads [2013-01]
D02G 3/44
.
Yarns or threads characterised by the purpose for which they are designed {(protective gloves A41D 19/00; protective clothing A62B 17/00; ropes D07B 1/02)} [2013-01]
D02G 3/441
. .
{Yarns or threads with antistatic, conductive or radiation-shielding properties (electroconductive, anti-static or radiation-shielding filaments D01F 1/09, D01F 1/106; anti-static fabrics D03D 15/0005; conducting, insulating or anti-static layers for floor coverings D06N 7/0042)} [2013-01]
D02G 3/442
. .
{Cut or abrasion resistant yarns or threads} [2013-01]
D02G 3/443
. .
{Heat-resistant, fireproof or flame-retardant yarns or threads (fire- or flame-proof filaments D01F 1/07; woven fabrics using heat-resistant or fireproof threads D03D 15/12)} [2013-01]
D02G 3/444
. .
{Yarns or threads for use in sports applications (strings for tennis rackets A63B 51/02)} [2013-01]
D02G 3/445
. .
{Yarns or threads for use in floor fabrics (floor fabrics A47G 27/00; floor coverings on textile basis D06N 7/0005)} [2013-01]
D02G 3/446
. .
{Yarns or threads for use in automotive applications} [2013-01]
D02G 3/447
. .
{Yarns or threads for specific use in general industrial applications, e.g. as filters or reinforcement} [2013-01]
D02G 3/448
. .
{Yarns or threads for use in medical applications (D02G 3/449 takes precedence; surgical suture materials A61L 17/00)} [2013-01]
D02G 3/449
. .
{Yarns or threads with antibacterial properties (filaments containing agents inhibiting growth of micro-organisms D01F 1/103)} [2013-01]
D02G 3/46
. .
Sewing-cottons or the like [2013-01]
D02G 3/48
. .
Tyre cords {(tyre reinforcements B60C 9/00; metal cords for reinforcing rubber or plastic articles D07B 1/0606)} [2013-01]