US PATENT SUBCLASS 228 / 124.6
.~.~ Forming hermetic seal (e.g., welding lid to container)

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

101  DF  PROCESS {38}
122.1  DF  .~ Metal to nonmetal with separate metallic filler {5}
124.6.~.~ Forming hermetic seal (e.g., welding lid to container)

DEFINITION

Classification: 228/124.6

Forming hermetic seal (e.g., welding lid to container):

(under subclass 122.1) Process intended to completely join two surfaces (i.e., to make an airtight joint).