US PATENT SUBCLASS 228 / 232
.~.~ Including preheating

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

101  DF  PROCESS {38}
227  DF  .~ Plural heat applying {5}
232.~.~ Including preheating

DEFINITION

Classification: 228/232

(under subclass 227) Process wherein at least one application of thermal energy is made before bonding has occurred.