US PATENT SUBCLASS 228 / 227
.~ Plural heat applying

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}
227.~ Plural heat applying {5}
228  DF  .~.~> And applying pressure
229  DF  .~.~> Separate and distinct heating of work and filler
230  DF  .~.~> Diverse heating
231  DF  .~.~> Including post-heating
232  DF  .~.~> Including preheating

DEFINITION

Classification: 228/227

(under subclass 101) Process including a first application of thermal energy to the work or to the filler and a second application of thermal energy to the work or filler to raise the temperature thereof and thereby effect or influence the bonding of a single joint.

(1) Note. Included herein is the distinct application of heat to opposite sides of a single workpiece.

SEE OR SEARCH CLASS

148, Metal Treatment, particularly

516, for combined processes of metal fusion bonding and significant heat treatment of metal to modify or maintain the internal physical structure (i.e., microstructure) or chemical property of the metal. See the Class Definition, Metal casting, metal fusion bonding, machining, working classes, in Class 148 to determine what constitutes significant heat treatment.

219, Electric Heating, for the application of electrical energy passing through the bonded joint to effect heating thereof.