(under subclass 1) Subject matter wherein the functions of the twisting operations are continuously or periodically checked or surveyed and are compensated or changed in response to variations detected during such check or survey to maintain the twisting operation within pre-established or acceptable ranges or norms.
SEE OR SEARCH THIS CLASS, SUBCLASS:
92+, for means for driving spinning, twisting, or twining machines or parts thereof.
SEE OR SEARCH CLASS
226, Advancing Material of Indeterminate Length,
10+, for material responsive control means.
340, Communications: Electrical,
259, for systems automatically responsive to conditions of a web, sheet, or work feed.