US PATENT SUBCLASS 228 / 186
.~.~ Preliminary sealing of joints

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


228 /   HD   METAL FUSION BONDING

101  DF  PROCESS {38}
178  DF  .~ Plural joints {9}
186.~.~ Preliminary sealing of joints

DEFINITION

Classification: 228/186

(under subclass 178) Process in which there are first and second fusion bonding operations, the first bonding operation serving to seal the environment about the meeting faces of the second bonding operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

175, for bonding of the class type preceded by another bonding operation.