US PATENT SUBCLASS 228 / 112.1
.~ Using dynamic frictional energy (i.e., friction welding)

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

101  DF  PROCESS {38}
112.1.~ Using dynamic frictional energy (i.e., friction welding) {3}
113  DF  .~.~> Inertia type
114  DF  .~.~> With treating other than heating
114.5  DF  .~.~> By rotating one work surface relative to another about an axis

DEFINITION

Classification: 228/112.1

Using dynamic frictional energy (i.e., friction welding):

(under subclass 101) Process in which the bond is effected at least in part by means of heat generated (a) by the rapid relative motion of the meeting faces of the parts to be joined, or (b) by the rapid motion of a separate part contacting and moving relative to one or more of the work parts to be joined.

SEE OR SEARCH THIS CLASS, SUBCLASS:

2.1+, for apparatus for welding by frictional heat.

234.1+, for a process of joining parts involving a particular manner of applying welding heat.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

73.1, for the process of friction welding nonmetallic elements.

428, Stock Material or Miscellaneous Articles, 940, for metallic stock material made by a process of this subclass.