US PATENT SUBCLASS 72 / 370.1
.~.~ End forming

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

362  DF  PROCESS {8}
367.1  DF  .~ Tube making or reshaping {11}
370.1.~.~ End forming {3}
370.11  DF  .~.~.~> Flange forming
370.12  DF  .~.~.~> End closing (e.g., crimping)
370.13  DF  .~.~.~> Compression die (e.g., swaging)

DEFINITION

Classification: 72/370.1

End forming:

(under subclass 367.1) Process in which deformation is directed to an axial extremity of the tube*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

370.01+, for a process of end forming using an internal tool.