US PATENT SUBCLASS 139 / 2
Current as of: June, 1999
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Means for knotting or intertwining an extra set of threads with either the warp or weft at the fell of the cloth.
SEE OR SEARCH THIS CLASS, SUBCLASS:
452, and 453, for analogous methods of color change.
SEE OR SEARCH CLASS
80.01+, for an apparatus for inserting and locking pile tufting in a fabric by means of a stitching operation, and subclass 475.23 for a corresponding method.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
72, and 147+ for pile tufting and weaving processes, respectively, when combined with a laminating step.