US PATENT SUBCLASS 228 / 116
.~.~ With pretreating of work

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

101  DF  PROCESS {38}
115  DF  .~ Using only pressure (e.g., cold welding) {2}
116.~.~ With pretreating of work

DEFINITION

Classification: 228/116

(under subclass 115) Process including prior to bonding, subjecting the work part(s) to action which brings about a change in the part.

(1) Note. Positional change or thermal change is not considered to be a treatment for this subclass.