| IPC 7 English version |
| D01D-D01D01302 |
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| SECTION D – TEXTILES; PAPER |
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| D 01 | NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING (metal threads B21; fibres or filaments of softened glass, minerals, or slag C03B 37/00; yarns D02) |
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| D 01 D | MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS |
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| Notes |
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| (1) | Attention is drawn to the Note following the title of class D01. |
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| (2) | Apparatus specially adapted for the manufacture of carbon filaments are classified in group D01F 9/12. [5] |
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| Subclass Index |
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| MECHANICAL TREATMENT OF FILAMENT-FORMING MATERIAL |
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| PRODUCTION OF ARTIFICIAL FIBRES |
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| Methods |
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| Spinnerette packs; formation of filaments; collecting the newly-spun products |
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| Physical treatment during manufacture |
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| Other operations |
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| COMPLETE MACHINES; DETAILS |
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1/ | 00 | Treatment of filament-forming or like material (working of plastics or substances in a plastic state, in general B29) |
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1/ | 02 | . | Preparation of spinning solutions |
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1/ | 04 | . | Melting filament-forming substances |
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1/ | 06 | . | Feeding liquid to the spinning head (constructions of pumps F04) |
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1/ | 09 | . | . | Pressure, temperature or feeding rate regulation [3] |
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1/ | 10 | . | Filtering or de-aerating the spinning solution or melt |
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4/ | 00 | Spinnerette packs; Cleaning thereof (D01D 5/24, D01D 5/253, D01D 5/28 take precedence) [3] |
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4/ | 02 | . | Spinnerettes (alloys therefor C22C) [3] |
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4/ | 04 | . | Cleaning spinnerettes or other parts of the spinnerette packs (cleaning in general B08B) [3] |
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4/ | 06 | . | Distributing spinning solution or melt to spinning nozzles [3] |
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4/ | 08 | . | Supporting spinnerettes or other parts of spinnerette packs [3] |
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5/ | 00 | Formation of filaments, threads, or the like |
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5/ | 02 | . | Starting the formation |
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5/ | 04 | . | Dry spinning methods |
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5/ | 06 | . | Wet spinning methods |
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5/ | 08 | . | Melt-spinning methods |
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5/ | 084 | . | . | Heating filaments, threads or the like, leaving the spinnerettes [3] |
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5/ | 088 | . | . | Cooling filaments, threads or the like, leaving the spinnerettes [3] |
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5/ | 092 | . | . | . | in shafts or chimneys [3] |
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5/ | 096 | . | . | Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes [3] |
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5/ | 098 | . | . | with simultaneous stretching [4] |
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5/ | 10 | . | . | using organic materials |
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5/ | 11 | . | Flash-spinning [3] |
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5/ | 12 | . | Stretch-spinning methods (finishing by stretching D02J 1/22) |
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5/ | 14 | . | . | with flowing liquid stretching media |
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5/ | 16 | . | . | using rollers, or like mechanical devices, e.g. snubbing pins |
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5/ | 18 | . | by means of rotating spinnerets |
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5/ | 20 | . | with varying denier along their length |
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5/ | 22 | . | with a crimped or curled structure; with a special structure to simulate wool (producing crimped or curled effects in filaments or threads after formation D02G 1/00) |
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5/ | 23 | . | . | by asymmetrical cooling of filaments, threads, or the like, leaving the spinnerettes [3] |
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5/ | 24 | . | with a hollow structure; Spinnerette packs therefor (D01D 5/38 takes precedence; producing tubes of plastic material B29D; addition of agents forming hollow filaments D01F 1/08) [3] |
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5/ | 247 | . | . | Discontinuous hollow structure or microporous structure [3] |
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5/ | 253 | . | with a non-circular cross section; Spinnerette packs therefor (D01D 5/38 takes precedence) [3] |
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5/ | 26 | . | Formation of staple fibres (by flash-spinning D01D 5/11) |
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5/ | 28 | . | while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor |
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5/ | 30 | . | . | Conjugate filaments; Spinnerette packs therefor [3] |
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5/ | 32 | . | . | . | Side-by-side structure; Spinnerette packs therefor [3] |
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5/ | 34 | . | . | . | Core-skin structure; Spinnerette packs therefor [3] |
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5/ | 36 | . | . | . | Matrix structure; Spinnerette packs therefor [3] |
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5/ | 38 | . | Formation of filaments, threads, or the like during polymerisation [3] |
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5/ | 40 | . | by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring [3] |
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5/ | 42 | . | by cutting films into narrow ribbons or filaments or by fibrillation of films [3] |
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7/ | 00 | Collecting the newly-spun products (collecting newly-spun products with the imparting of twist D01H) |
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7/ | 02 | . | in centrifugal spinning pots [3] |
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10/ | 00 | Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected (finishing D02J) [4] |
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10/ | 02 | . | Heat treatment (heating for finishing D02J 13/00) [4] |
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10/ | 04 | . | Supporting filaments or the like during their treatment [4] |
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10/ | 06 | . | Washing or drying [4] |
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11/ | 00 | Other features of manufacture |
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11/ | 02 | . | Opening bundles to space the threads or filaments from one another |
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11/ | 04 | . | Fixed guides |
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11/ | 06 | . | Coating with spinning solutions or melts |
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13/ | 00 | Complete machines for producing artificial threads |
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13/ | 02 | . | Elements of machines in combination |
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