(under subclass 406) Devices comprising a band having a particular cross-section (e.g., V-shaped) which circumferentially grips the flanges to draw and hold the pipe ends together.
SEE OR SEARCH THIS CLASS, SUBCLASS:
365+, for a similar packed joint.
420, for the clamp, per se.
SEE OR SEARCH CLASS
24, Buckles, Buttons, Clasps, etc., 19+, for ring clamps wherein the band is recited broadly. See the Search Notes thereunder.
215, Bottles and Jars,
280+, for closure fasteners for bottles, including a clamp.
220, Receptacles,
315+, for fastening devices for receptacle closures.