Contained or compressed by gland member in packing box:
(under subclass 328) Longitudinally actuated packer wherein the seal is intended for use in a well apparatus having a chamber including an axially opened end to receive the seal and a member that substantially closes the open end to retain or squeeze the seal within the chamber while having an opening for passage for one of the parts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
308, for a process of dynamic sealing employing a seal to be contained or compressed by a gland member in a packing box.
510+, for a dynamic, circumferential contact seal for other than a piston intended to be contained or compressed by a gland member in a packing box.
620+, for a static contact seal intended for use on a pipe, conduit, or cable including a clamping gland.