.~ Means for supporting only a portion of a tire {1}
27
.~.~ Expansible internal support
DEFINITION
Classification: 425/27
(under subclass 26) Apparatus wherein the supporting means is an internal member capable of extending in one or more directions to increase the outward pressure of the tire portion.
(1) Note. Typically, this includes a fluid impermeable, closed, fabric bag with a shape similar to a segment of the interior of a tire, and generally called an "air bag".
SEE OR SEARCH CLASS
138, Pipes and Tubular Conduits,
93, for inflatable pipe plugs.
279, Chucks or Sockets,
2.01+, for an expanding mandrel. 285, Pipe Joints or Couplings,
95+, for fluid pressure seal in a pipe joint; subclass 196 for an expansible spigot type pipe to plate joint and subclass 346 for packing expanding means in a packed pipe joint of the friction clutch type.