US PATENT SUBCLASS 405 / 152
.~.~.~ With sealing feature

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

132  DF  UNDERGROUND PASSAGEWAY, E.G., TUNNEL {6}
150.1  DF  .~ Lining {2}
151  DF  .~.~ Panel {2}
152.~.~.~ With sealing feature

DEFINITION

Classification: 405/152

With sealing feature:

(under subclass 151) Method or apparatus wherein a gasket or a hardenable material is placed between or around the area of contact between adjacent segments.

SEE OR SEARCH THIS CLASS, SUBCLASS:

135, for seals between circumferentially continuous tunnel sections placed end-to-end.

275, and 279, for sheet piles with sealing features.

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a generic sealing means or process,

628+, for a static contact seal for other than an internal

combustion engine, or a pipe, conduit, or cable.