IPC Classification

Class code (prefix) Descriptions Number of results
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 1/02 Bulking, e.g. looping
D02J 1/04 Compacting
D02J 1/06 Imparting irregularity, e.g. slubbing or other non-uniform features, e.g. high- and low-shrinkage or strengthened and weakened sections
D02J 1/08 Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
D02J 1/12 Modifying stretch/bulk properties of textured yarns or the like by after-treatment
D02J 1/14 Rendering uniform or evening non-uniform features
D02J 1/16 Rubbing or similar working, e.g. to redistribute or remove fibres
D02J 1/18 Separating or spreading
D02J 1/20 Stressing or stress-relieving, e.g. by vibration or subjection to electrostatic stress or electric discharge
D02J 1/22 Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
D02J 3/00 Modifying the surface
D02J 3/02 Modifying the surface by abrading, scraping, scuffing, cutting, or nicking
D02J 3/04 Modifying the surface by brushing
D02J 3/06 Modifying the surface by polishing, e.g. glazing, glossing
D02J 3/08 Modifying the surface by polishing, e.g. glazing, glossing by compressing, e.g. by calendering or ironing
D02J 3/10 Modifying the surface by indenting
D02J 3/12 Modifying the surface by removing projecting ends of fibres
D02J 3/14 Modifying the surface by removing projecting ends of fibres by shearing
D02J 3/16 Modifying the surface by removing projecting ends of fibres by singeing
D02J 3/18 Treating with particulate, semi-solid, or solid substances, e.g. wax
D02J 7/00 Cleaning, e.g. removing dust, loose fibres, charred ends
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