WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

D02G　CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS

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)

D02G 1/002 ・{by knitting, weaving or tufting, fixing and then unravelling}

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}

D02G 1/006 ・{by impinging the yarn against an uneven surface and thereby deforming it}

D02G 1/008 ・{with provision for imparting irregular effects to the yarn}

D02G 1/02 ・by twisting, fixing the twist and backtwisting, i.e. by imparting false twist

D02G 1/0206 ・・{by false-twisting}

D02G 1/0213 ・・・{after drawing the yarn on the same machine}

D02G 1/022 ・・・{while simultaneously drawing the yarn}

D02G 1/0226 ・・・{multiple false-twisting}

D02G 1/0233 ・・・{with real twist being imparted to the yarn before or after false-twisting}

D02G 1/024 ・・・{with provision for imparting irregular effects to the yarn}

D02G 1/0246 ・・・{at least some of the filaments being simultaneously broken or cut, e.g. by stretching or abrading}

D02G 1/0253 ・・・{while bonding at least some of the filaments or fibres together}

D02G 1/026 ・・・{in the presence of a crimp finish}

D02G 1/0266 ・・・{false-twisting machines}

D02G 1/0273 ・・・・{threading up and starting the false-twisting machine}

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}

D02G 1/0286 ・・{characterised by the use of certain filaments, fibres or yarns}

D02G 1/0293 ・・・{composed, at least in part, of natural fibres}

D02G 1/04 ・・Devices for imparting false twist

D02G 1/06 ・・・Spindles

D02G 1/08 ・・・Rollers {or other friction causing elements}

D02G 1/082 ・・・・{with the periphery of at least one disc}

D02G 1/085 ・・・・{between crossed belts}

D02G 1/087 ・・・・{between the flanks of rotating discs}

D02G 1/10 ・using knife edges, e.g. heated knife edges, for edge crimping

D02G 1/12 ・using stuffer boxes

D02G 1/122 ・・{introducing the filaments in the stuffer box by means of a fluid jet}

D02G 1/125 ・・{including means for monitoring or controlling yarn processing}

D02G 1/127 ・・{including drawing or stretching on the same machine}

D02G 1/14 ・using grooved rollers or gear-wheel-type members

D02G 1/16 ・using jets or streams of turbulent gases, e.g. air, steam {(interlacing filaments D02J 1/08)}

D02G 1/161 ・・{yarn crimping air jets}

D02G 1/162 ・・{with provision for imparting irregular effects to the yarn}

D02G 1/164 ・・{in the presence of a liquid, e.g. a crimp finish}

D02G 1/165 ・・{characterised by the use of certain filaments or yarns}

D02G 1/167 ・・{including means for monitoring or controlling yarn processing}

D02G 1/168 ・・{including drawing or stretching on the same machine}

D02G 1/18 ・by combining fibres, filaments, or yarns, having different shrinkage characteristics {(D02G 1/004 takes precedence)}

D02G 1/20 ・Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl

D02G 1/205 ・・{After-treatments for fixing crimp or curl}

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)

D02G 3/02 ・Yarns or threads characterised by the material or by the materials from which they are made

D02G 3/025 ・・{Yarns or threads formed from hair (horse-hair threads D02G 3/14)}

D02G 3/04 ・・Blended or other yarns or threads containing components made from different materials

D02G 3/042 ・・・{all components being made from natural material}

D02G 3/045 ・・・{all components being made from artificial or synthetic material}

D02G 3/047 ・・・{including aramid fibres}

D02G 3/06 ・・Threads formed from strip material other than paper

D02G 3/08 ・・Paper yarns or threads

D02G 3/10 ・・Yarns or threads formed from collagenous material, e.g. catgut {(surgical threads or yarns A61L)}

D02G 3/12 ・・Threads containing metallic filaments or strips

D02G 3/14 ・・Horse-hair threads

D02G 3/16 ・・Yarns or threads made from mineral substances

D02G 3/18 ・・・from glass or the like

D02G 3/182 ・・・・{the glass being present only in part of the structure}

D02G 3/185 ・・・・・{in the core}

D02G 3/187 ・・・・・{in the sheath}

D02G 3/20 ・・・from asbestos

D02G 3/22 ・Yarns or threads characterised by constructional features, {e.g. blending, filament/fibre (piecing of yarns or threads D01H 15/00)}

D02G 3/24 ・・Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics

D02G 3/26 ・・with characteristics dependent on the amount or direction of twist

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)}

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)}

D02G 3/283 ・・・・{using hollow spindles through which one yarn is running}

D02G 3/285 ・・・・{one yarn running over the feeding spool of another yarn}

D02G 3/286 ・・・・{with alternatively "S" and "Z" direction of twist, e.g. Self-twist process}

D02G 3/288 ・・・・{with same direction of twist, but with an amount of twist varying along the thread}

D02G 3/30 ・・・Creped or other highly-twisted yarns or threads

D02G 3/32 ・・Elastic yarns or threads; {Production of plied or cored yarns, one of which is elastic}

D02G 3/322 ・・・{using hollow spindles (details of spindles, e.g. bearings D01H 7/86)}

D02G 3/324 ・・・{using a drawing frame}

D02G 3/326 ・・・{the elastic properties due to the construction rather than to the use of elastic material}

D02G 3/328 ・・・{containing elastane}

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)}

D02G 3/343 ・・・{using hollow spindles (details of spindles, e.g. bearings D01H 7/86)}

D02G 3/346 ・・・{with coloured effects, i.e. by differential dyeing process}

D02G 3/36 ・・Cored or coated yarns or threads ({D02G 3/34, D02G 3/40 take precedence}; elastic yarns or threads D02G 3/32)

D02G 3/362 ・・・{using hollow spindles (details of spindles, e.g. bearings D01H 7/86)}

D02G 3/365 ・・・・{around which a reel supporting feeding spool rotates}

D02G 3/367 ・・・{using a drawing frame}

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)

D02G 3/385 ・・・{using hollow spindles, e.g. making coverspun yarns}

D02G 3/40 ・・Yarns in which fibres are united by adhesives; Impregnated yarns or threads

D02G 3/402 ・・・{the adhesive being one component of the yarn, i.e. thermoplastic yarn}

D02G 3/404 ・・・{Yarns or threads coated with polymeric solutions}

D02G 3/406 ・・・・{where the polymeric solution is removable at a later stage, e.g. by washing}

D02G 3/408 ・・・{Flocked yarns}

D02G 3/42 ・・Chenille threads

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)}

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)}

D02G 3/442 ・・{Cut or abrasion resistant yarns or threads}

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)}

D02G 3/444 ・・{Yarns or threads for use in sports applications (strings for tennis rackets A63B 51/02)}

D02G 3/445 ・・{Yarns or threads for use in floor fabrics (floor fabrics A47G 27/00; floor coverings on textile basis D06N 7/0005)}

D02G 3/446 ・・{Yarns or threads for use in automotive applications}

D02G 3/447 ・・{Yarns or threads for specific use in general industrial applications, e.g. as filters or reinforcement}

D02G 3/448 ・・{Yarns or threads for use in medical applications (D02G 3/449 takes precedence; surgical suture materials A61L 17/00)}

D02G 3/449 ・・{Yarns or threads with antibacterial properties (filaments containing agents inhibiting growth of micro-organisms D01F 1/103)}

D02G 3/46 ・・Sewing-cottons or the like

D02G 3/48 ・・Tyre cords {(tyre reinforcements B60C 9/00; metal cords for reinforcing rubber or plastic articles D07B 1/0606)}