D02J FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES, OR THE LIKE
Introduced: September 1968
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- Subclass:
- FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES, OR THE LIKE
Description
D02J covers mechanical and chemical finishing processes applied to filaments, yarns, threads, cords, and ropes after their initial production to improve performance properties or prepare them for subsequent processing. This includes sizing, twisting, texturizing, heat-setting, lubricating, coating, and other treatments that modify the surface characteristics, strength, elasticity, or handling properties of linear textile materials. The classification encompasses both equipment and methods for applying these finishes, spanning natural fibers (wool, cotton), synthetic fibers (polyester, nylon), and blended materials. Adjacent classes distinguish between yarn production itself (D02G), warping/beaming operations (D02H), and finishing of fabrics or other finished textiles at later stages.
Related Keywords
5 direct subcodes
Child Classifications
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- D02J 1/00 Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J 11/00 Combinations, not covered by any one of groups , of processes provided for in such groups; Plant for carrying-out such combinations of processes
- D02J 13/00 Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
- D02J 3/00 Modifying the surface
- D02J 7/00 Cleaning, e.g. removing dust, loose fibres, charred ends
Top Applicants
Top 10 applicants by patent filingsfor class D02, 2013–2023, worldwide · Source: EPO PATSTAT
- JIANGNAN UNIVERSITY 383
- TORAY INDUSTRIES JP 349
- TORAY INDUSTRIES 281
- OERLIKON TEXTILE & COMPANY DE 224
- CONTINENTAL REIFEN DE 208
- NATIONAL DONG HWA UNIVERSITY 203
- KOLON INDUSTRIES KR 188
- WUHAN TEXTILE UNIVERSITY 184
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
- TMT MACHINERY 155