(0)D02G:0/0:
IPC6
SECTION D - TEXTILES; PAPER
CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS;...
D02G
1/1

D 02

 YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
 

Note
 

In this class, the following terms are used with the meanings indicated:
 

-

 "fibre" means a relatively-short, elongated member of natural or artificial material;
 

-

 "filament" means an endless or quasi-endless, elongated member of natural or artificial material;
 

-

 "yarn" means a unitary assembly of fibres, usually produced by spinning;
 

-

 "thread" means an assembly of yarns or filaments, usually produced by twisting.

D 02 G

 CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS
 

Note
 

Attention is drawn to the Note following the title of class D 02.

 

 

 
 

 1
/ 00 Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics (yarns per se D 02 G 3/00; during formation of artificial filaments, threads, or the like D 01 D 5/22; general aspects of chemical treatment D 06 M)

1
/ 02 • by twisting, fixing the twist and backtwisting, i.e. by imparting false twist  

1
/ 04 • • Devices for imparting false twist  

1
/ 06 • • • Spindles  

1
/ 08 • • • Rollers  

1
/ 10 • using knife edges, e.g. heated knife edges, for edge crimping  

1
/ 12 • using stuffer boxes  

1
/ 14 • using grooved rollers or gear-wheel-type members  

1
/ 16 • using jets or streams of turbulent gases, e.g. air, steam  

1
/ 18 • by combining fibres, filaments, or yarns, having different shrinkage characteristics  

1
/ 20 • Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl  
 

 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 D 02 G 1/00)

3
/ 02 • Yarns or threads characterised by the material or by the materials from which they are made  

3
/ 04 • • Blended or other yarns or threads containing components made from different materials  

3
/ 06 • • Threads formed from strip material other than paper  

3
/ 08 • • Paper yarns or threads  

3
/ 10 • • Yarns or threads formed from collagenous materials, e.g. catgut  

3
/ 12 • • Threads containing metallic filaments or strips  

3
/ 14 • • Horse-hair threads  

3
/ 16 • • Yarns or threads made from mineral substances  

3
/ 18 • • • from glass or the like  

3
/ 20 • • • from asbestos  

3
/ 22 • Yarns or threads characterised by constructional features  

3
/ 24 • • Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics  

3
/ 26 • • with characteristics dependent on the amount or direction of twist  

3
/ 28 • • • Doubled, plied, or cabled threads  

3
/ 30 • • • Crêped or other highly-twisted yarns or threads  

3
/ 32 • • Elastic yarns or threads  

3
/ 34 • • Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns  

3
/ 36 • • Cored or coated yarns or threads (elastic yarns or threads D 02 G 3/32)  

3
/ 38 • • Threads in which fibres, filaments, or yarns are wound with other yarns or filaments (covering endless core threads with fibres by using open-end spinning techniques D 01 H 4/00)  

3
/ 40 • • Yarns in which fibres are united by adhesives; Impregnated yarns or threads  

3
/ 42 • • Chenille threads  

3
/ 44 • Yarns or threads characterised by the purpose for which they are designed  

3
/ 46 • • Sewing-cottons or the like  

3
/ 48 • • Tyre cords