D
TEXTILES; PAPER
TEXTILES OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D01
NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING

Note(s)

  • 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.
D01D
MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS (working or processing of metal wire B21F; fibres or filaments of softened glass, minerals or slag C03B 37/00)

Note(s)

  • Attention is drawn to the Note following the title of class D01.
  • Apparatus specially adapted for the manufacture of carbon filaments are classified in group D01F 9/12.
Subclass index
MECHANICAL TREATMENT OF FILAMENT-FORMING MATERIAL 1/00
PRODUCTION OF ARTIFICIAL FIBRES
Methods 5/00
Spinnerette packs; formation of filaments; collecting the newly-spun products 4/00, 5/00, 7/00
Physical treatment during manufacture 10/00
Other operations 11/00
COMPLETE MACHINES; DETAILS 13/00, 4/02, 7/00, 11/04
D01D 1/00
Treatment of filament-forming or like material (working of plastics or substances in a plastic state, in general B29)
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 F04)
D01D 1/09
Pressure, temperature or feeding rate regulation [3]
D01D 1/10
Filtering or de-aerating the spinning solution or melt
D01D 4/00
Spinnerette packs; Cleaning thereof (D01D 5/24, D01D 5/253, D01D 5/28 take precedence) [3]
D01D 4/02
Spinnerettes (alloys therefor C22C) [3]
D01D 4/04
Cleaning spinnerettes or other parts of the spinnerette packs (cleaning in general 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 5/098
with simultaneous stretching [4]
D01D 5/10
using organic materials
D01D 5/11
Flash-spinning [3]
D01D 5/12
Stretch-spinning methods (finishing by stretching D02J 1/22)
D01D 5/14
with flowing liquid stretching media
D01D 5/16
using rollers, or like mechanical devices, e.g. snubbing pins
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 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 (D01D 5/38 takes precedence; producing tubes of plastic material B29D; addition of agents forming hollow filaments D01F 1/08) [3]
D01D 5/247
Discontinuous hollow structure or microporous structure [3]
D01D 5/253
with a non-circular cross section; Spinnerette packs therefor (D01D 5/38 takes precedence) [3]
D01D 5/26
Formation of staple fibres (by flash-spinning 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 (collecting newly-spun products with the imparting of twist D01H)
D01D 7/02
in centrifugal spinning pots [3]
D01D 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]
D01D 10/02
Heat treatment (heating for finishing D02J 13/00) [4]
D01D 10/04
Supporting filaments or the like during their treatment [4]
D01D 10/06
Washing or drying [4]
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
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