Cleaning spinnerettes or other parts of the spinnerette packs (cleaning in general B 08 B) [3]
4
/
06
•
Distributing spinning solution or melt to spinning nozzles [3]
4
/
08
•
Supporting spinnerettes or other parts of spinnerette packs [3]
5
/
00
Formation of filaments, threads, or the like
5
/
02
•
Starting the formation
5
/
04
•
Dry spinning methods
5
/
06
•
Wet spinning methods
5
/
08
•
Melt-spinning methods
5
/
084
•
•
Heating filaments, threads or the like, leaving the spinnerettes [3]
5
/
088
•
•
Cooling filaments, threads or the like, leaving the spinnerettes [3]
5
/
092
•
•
•
in shafts or chimneys [3]
5
/
096
•
•
Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes [3]
5
/
098
•
•
with simultaneous stretching [4]
5
/
10
•
•
using organic materials
5
/
11
•
Flash-spinning [3]
5
/
12
•
Stretch-spinning methods (finishing by stretching D 02 J 1/22)
5
/
14
•
•
with flowing liquid stretching media
5
/
16
•
•
using rollers, or like mechanical devices, e.g. snubbing pins
5
/
18
•
by means of rotating spinnerets
5
/
20
•
with varying denier along their length
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 D 02 G 1/00)
5
/
23
•
•
by asymmetrical cooling of filaments, threads, or the like, leaving the spinnerettes [3]
5
/
24
•
with a hollow structure; Spinnerette packs therefor (D 01 D 5/38 takes precedence; producing tubes of plastic material B 29 D; addition of agents forming hollow filaments D 01 F 1/08) [3]
5
/
247
•
•
Discontinuous hollow structure or microporous structure [3]
5
/
253
•
with a non-circular cross section; Spinnerette packs therefor (D 01 D 5/38 takes precedence) [3]
5
/
26
•
Formation of staple fibres (by flash-spinning D 01 D 5/11)
5
/
28
•
while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
Formation of filaments, threads, or the like during polymerisation [3]
5
/
40
•
by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring [3]
5
/
42
•
by cutting films into narrow ribbons or filaments or by fibrillation of films [3]
7
/
00
Collecting the newly-spun products (collecting newly-spun products with the imparting of twist D 01 H
)
7
/
02
•
in centrifugal spinning pots [3]
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 D 02 J) [4]
10
/
02
•
Heat treatment (heating for finishing
D 02 J 13/00) [4]
10
/
04
•
Supporting filaments or the like during their treatment [4]
10
/
06
•
Washing or drying [4]
11
/
00
Other features of manufacture
11
/
02
•
Opening bundles to space the threads or filaments from one another
11
/
04
•
Fixed guides
11
/
06
•
Coating with spinning solutions or melts
13
/
00
Complete machines for producing artificial threads
