US PATENT SUBCLASS 238 / 231
.~.~ Longitudinally assembled

Current as of: June, 1999
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238 /   HD   RAILWAYS: SURFACE TRACK

151  DF  RAIL JOINTS {28}
230  DF  .~ Scarf {5}
231.~.~ Longitudinally assembled {2}
232  DF  .~.~.~> Twin
233  DF  .~.~.~> With vertical drop

DEFINITION

Classification: 238/231

The specially-shaped rail ends are assembled in joint form by longitudinal movement only.