ClassID:

122312

D02J1/221 - CPC Classification

Classification description:

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; Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch Preliminary treatments

Recent Application in this class: