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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
D01
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TEXTILES OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D01
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NATURAL OR ARTIFICIAL THREADS OR FIBRESSPINNING
D01B
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MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OR FILAMENTS, e.g. FOR SPINNING (crude extraction of asbestos fibres from ores B03B; apparatus for retting D01C)
D01C
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CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNINGCARBONISING RAGS TO RECOVER ANIMAL FIBRES
D01D
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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)
D01D 1/00
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Treatment of filament-forming or like material (working of plastics or substances in a plastic state, in general B29)
D01D 4/00
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Spinnerette packsCleaning thereof (D01D 5/24, D01D 5/253, D01D 5/28 take precedence) [3]
D01D 5/00
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Formation of filaments, threads, or the like
D01D 5/02
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Starting the formation
D01D 5/04
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Dry spinning methods
D01D 5/06
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Wet spinning methods
D01D 5/08
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Melt-spinning methods
D01D 5/084
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. . Heating filaments, threads or the like, leaving the spinnerettes [3]
D01D 5/088
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. . Cooling filaments, threads or the like, leaving the spinnerettes [3]
D01D 5/092
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. . . in shafts or chimneys [3]
D01D 5/096
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. . Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes [3]
D01D 5/098
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. . with simultaneous stretching [4]
D01D 5/10
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. . using organic materials
D01D 5/11
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Flash-spinning [3]
D01D 5/12
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Stretch-spinning methods (finishing by stretching D02J 1/22)
D01D 5/14
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. . with flowing liquid stretching media
D01D 5/16
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. . using rollers, or like mechanical devices, e.g. snubbing pins
D01D 5/18
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by means of rotating spinnerets
D01D 5/20
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with varying denier along their length
D01D 5/22
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with a crimped or curled structurewith a special structure to simulate wool (producing crimped or curled effects in filaments or threads after formation D02G 1/00)
D01D 5/23
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. . by asymmetrical cooling of filaments, threads, or the like, leaving the spinnerettes [3]
D01D 5/24
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with a hollow structureSpinnerette 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
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. . Discontinuous hollow structure or microporous structure [3]
D01D 5/253
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with a non-circular cross sectionSpinnerette packs therefor (D01D 5/38 takes precedence) [3]
D01D 5/26
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Formation of staple fibres (by flash-spinning D01D 5/11)
D01D 5/28
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while mixing different spinning solutions or melts during the spinning operationSpinnerette packs therefor
D01D 5/30
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. . Conjugate filamentsSpinnerette packs therefor [3]
D01D 5/32
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. . . Side-by-side structureSpinnerette packs therefor [3]
D01D 5/34
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. . . Core-skin structureSpinnerette packs therefor [3]
D01D 5/36
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. . . Matrix structureSpinnerette packs therefor [3]
D01D 5/38
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Formation of filaments, threads, or the like during polymerisation [3]
D01D 5/40
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by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring [3]
D01D 5/42
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by cutting films into narrow ribbons or filaments or by fibrillation of films [3]
D01D 7/00
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Collecting the newly-spun products (collecting newly-spun products with the imparting of twist D01H)
D01D 10/00
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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 11/00
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Other features of manufacture
D01D 13/00
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Complete machines for producing artificial threads
D01F
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CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONSAPPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS [2]
D01G
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PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING (winding or unwinding, conducting or guiding laps, webs, slivers, or rovings in general, sliver or roving cans, depositing in sliver or roving cans B65H; preparation of fibres for paper-making D21)
D01H
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SPINNING OR TWISTING (unwinding, paying-out, forwarding, winding, or coiling filamentary material, not intimately associated with spinning or twisting, B65H; cores, formers, supports, or holders for coiled or wound material, e.g. bobbins, B65H; twisting oakum D01G 35/00; crimping or curling of fibres, filaments, or yarns D02G 1/00; making chenille D03D, D04D 3/00; testing yarns, rovings, slivers, fibres, or fibre webs G01)
D02
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YARNSMECHANICAL FINISHING OF YARNS OR ROPESWARPING OR BEAMING
D03
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WEAVING
D04
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BRAIDINGLACE-MAKINGKNITTINGTRIMMINGSNON-WOVEN FABRICS
D05
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SEWINGEMBROIDERINGTUFTING
D06
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TREATMENT OF TEXTILES OR THE LIKELAUNDERINGFLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D07
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ROPESCABLES OTHER THAN ELECTRIC
D21
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PAPER
D21
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PAPER-MAKINGPRODUCTION OF CELLULOSE
D99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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