US PATENT SUBCLASS 228 / 167
.~.~.~.~ Planar intersecting channel walls

Current as of: June, 1999
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228 /   HD   METAL FUSION BONDING

101  DF  PROCESS {38}
141.1  DF  .~ With shaping {7}
164  DF  .~.~ Prior to bonding {4}
165  DF  .~.~.~ Forming channel, groove, or aperture for reception of filler material {3}
167.~.~.~.~ Planar intersecting channel walls

DEFINITION

Classification: 228/167

(under subclass 165) Process wherein generally flat work parts are angularly joined to form the walls of an elongated chamber.