|  | D |
SECTION D — TEXTILES AND PAPER

TEXTILES AND FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR

|  | D01 |
NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING (metal threads Fulltext... Hierarchy... Expanded...B21; fibres or filaments of softened glass, minerals, or slag Fulltext... Hierarchy... Expanded...C03B 37/00; yarns Fulltext... Hierarchy... Expanded...D02)

|  | D01 |
Note(s) In this class, the following words are used with the meanings indicated: "fibre" means a relatively-short, elongated member of natural or artifical 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.

|  | D01D |
MECHANICAL METHODS AND APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS

|  | D01D |
Note(s) Attention is drawn to the note following the class title of class Fulltext... Hierarchy... Expanded...D01.

|  | D01D 1/00 |
Treatment of filament-forming or like material (producing films or tubes of plastic material Fulltext... Hierarchy... Expanded...B29D)

|  | D01D 1/02 |
· | Preparation of spinning solutions

|  | D01D 1/04 |
· | Melting filament-forming substances

|  | D01D 1/06 |
· | Feeding liquid to the spinning head (constructions of pumps Fulltext... Hierarchy... Expanded...F04)

|  | D01D 1/08 |
( transferred to Fulltext... Hierarchy... Expanded...D01D 1/09 )

|  | D01D 1/09 |
· · | Pressure, temperature or feeding rate regulation [3]

|  | D01D 1/10 |
· | Filtering or de-aerating the spinning solution or melt

|  | D01D 3/00 |
( transferred to Fulltext... Hierarchy... Expanded...D01D 4/02 )

|  | D01D 4/00 |
Spinnerette packs; Cleaning thereof (Fulltext... Hierarchy... Expanded...D01D 5/24, Fulltext... Hierarchy... Expanded...D01D 5/253, Fulltext... Hierarchy... Expanded...D01D 5/28 take precedence) [3]

|  | D01D 4/02 |
· | Spinnerettes (alloys therefor Fulltext... Hierarchy... Expanded...C22C) [3]

|  | D01D 4/04 |
· | Cleaning spinnerettes or other parts of the spinnerette packs (cleaning in general Fulltext... Hierarchy... Expanded...B08B) [3]

|  | D01D 4/06 |
· | Distributing spinning solution or melt to spinning nozzles [3]

|  | D01D 4/08 |
· | Supporting spinnerettes or other parts of spinnerette packs [3]

|  | D01D 5/00 |
Formation of filaments, threads, or the like

|  | D01D 5/02 |
· | Starting the formation

|  | D01D 5/04 |
· | Dry spinning methods

|  | D01D 5/06 |
· | Wet spinning methods

|  | D01D 5/08 |
· | Melt-spinning methods

|  | D01D 5/084 |
· · | Heating filaments, threads or the like, leaving the spinnerettes [3]

|  | D01D 5/088 |
· · | Cooling filaments, threads or the like, leaving the spinnerettes [3]

|  | D01D 5/092 |
· · · | in shafts or chimneys [3]

|  | D01D 5/096 |
· · | Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes [3]

|  | D01D 5/10 |
· · | using organic materials

|  | D01D 5/11 |
· | Flash-spinning [3]

|  | D01D 5/12 |
· | Stretch-spinning methods (finishing by stretching Fulltext... Hierarchy... Expanded...D02J 1/22)

|  | D01D 5/14 |
· · | with flowing liquid stretching media

|  | D01D 5/16 |
· · | using rollers, or like mechanical devices, e.g. snubbing pins (forwarding filamentary material Fulltext... Hierarchy... Expanded...B65H 51/00)

|  | D01D 5/18 |
· | by means of rotating spinnerets

|  | D01D 5/20 |
· | with varying denier along their length

|  | D01D 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 Fulltext... Hierarchy... Expanded...D02G 1/00)

|  | D01D 5/23 |
· · | by asymmetrical cooling of filaments, threads, or the like, leaving the spinnerettes [3]

|  | D01D 5/24 |
· | with a hollow structure; Spinnerette packs therefor (Fulltext... Hierarchy... Expanded...D01D 5/38 takes precedence; producing tubes of plastic material Fulltext... Hierarchy... Expanded...B29D; addition of agents forming hollow filaments Fulltext... Hierarchy... Expanded...D01F 1/08)

|  | D01D 5/247 |
· · | Discontinuous hollow structure or microporous structure [3]

|  | D01D 5/253 |
· | with a non-circular cross section; Spinnerette packs therefor (Fulltext... Hierarchy... Expanded...D01D 5/38 takes precedence) [3]

|  | D01D 5/26 |
· | Formation of staple fibres (by flash-spinning Fulltext... Hierarchy... Expanded...D01D 5/11)

|  | D01D 5/28 |
· | while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor

|  | D01D 5/30 |
· · | Conjugate filaments; Spinnerette packs therefor [3]

|  | D01D 5/32 |
· · · | Side-by-side structure; Spinnerette packs therefor [3]

|  | D01D 5/34 |
· · · | Core-skin structure; Spinnerette packs therefor [3]

|  | D01D 5/36 |
· · · | Matrix structure; Spinnerette packs therefor [3]

|  | D01D 5/38 |
· | Formation of filaments, threads, or the like during polymerisation [3]

|  | D01D 5/40 |
· | by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring [3]

|  | D01D 5/42 |
· | by cutting films into narrow ribbons or filaments or by fibrillation of films [3]

|  | D01D 7/00 |
Collecting the newly-spun products (winding, coiling, or depositing filamentary material in general Fulltext... Hierarchy... Expanded...B65H 54/00; collecting newly-spun products with the imparting of twist Fulltext... Hierarchy... Expanded...D01H)

|  | D01D 7/02 |
· | in centrifugal spinning pots [3]

|  | D01D 9/00 |
Supporting newly-spun artificial filaments, threads, thread bundles, or the like during their after-treatment

|  | D01D 9/02 |
· | on bobbins

|  | D01D 9/04 |
· | as cakes or similar coreless thread packages

|  | D01D 9/06 |
· | as hanks

|  | D01D 9/08 |
· | while in continuous movement (forwarding filamentary material Fulltext... Hierarchy... Expanded...B65H 51/00)

|  | D01D 9/10 |
· | as staple fibres

|  | D01D 11/00 |
Other features of manufacture

|  | D01D 11/02 |
· | Opening bundles to space the threads or filaments from one another

|  | D01D 11/04 |
· | Fixed guides (guides for filamentary material in general Fulltext... Hierarchy... Expanded...B65H 57/00)

|  | D01D 11/06 |
· | Coating with spinning solutions or melts

|  | D01D 13/00 |
Complete machines for producing artificial threads

|  | D01D 13/02 |
· | Elements of machines in combination