US PATENT SUBCLASS 138 / 165
.~ With wedge

Current as of: June, 1999
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138 /   HD   PIPES AND TUBULAR CONDUITS

156  DF  LONGITUDINALLY SEAMED {8}
165.~ With wedge

DEFINITION

Classification: 138/165

(under subclass 156) Device having a wedge locking together the adjacent edges thereof.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings,

421, for a joint including a wedge type clamp means.