(under subclass 2.11) Astronaut's body cover wherein one part of the body suit is made movable relative to another part of the body suit by a series of adjacent ridges and valleys formed in it and wherein the ridges are movable toward or away from adjacent ridges.
SEE OR SEARCH CLASS
138, Pipes and Tubular Conduits,
121+, for a corrugated flexible tube or pipe of general utility.
285, Pipe Joints or Couplings,
226+, for a bellow type flexible joint between rigid members.