.~.~> Contained or compressed by gland member in packing box {1}
DEFINITION
Classification: 277/328
Longitudinally actuated packer for above ground apparatus:
(under subclass 322) Seal for well apparatus wherein the seal is between axially spaced members where one or more of the members axially bias the seal into sealing engagement at the
joint or juncture between the part (e.g., axial rod, pipe, drill stem, etc.) surrounded by another part (e.g., well casing) intended to function or remain at ground level.
SEE OR SEARCH THIS CLASS, SUBCLASS:
327, for a sealing ring for well apparatus having an overpressure control device that works by axially compressing the seal.