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 (modifying only the surface D02J3/00)

Child Classifications

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• D02J 1/02 Bulking, e.g. looping (by crimping, by curling D02G)
• 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 (stretch spinning D01D5/12)