Formation of filaments, threads, or the like

Child Classifications

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• D01D 5/0007
• 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 5/11 Flash-spinning
• D01D 5/12 Stretch-spinning methods ( finishing by stretching D02J1/22)
• 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 D02G1/00)
• D01D 5/24 with a hollow structure; Spinnerette packs therefor (D01D5/38 takes precedence; producing tubes of plastic material B29D; addition of agents forming hollow filaments D01F1/08)
• D01D 5/253 with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence)
• D01D 5/26 Formation of staple fibres (by flash-spinning D01D5/11)
• D01D 5/28 while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
• D01D 5/38 Formation of filaments, threads, or the like during polymerisation
• D01D 5/40 by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
• D01D 5/42 by cutting films into narrow ribbons or filaments or by fibrillation of films