US PATENT SUBCLASS 72 / 370.12
.~.~.~ End closing (e.g., crimping)

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  DF  .~.~ End forming {3}
370.12.~.~.~ End closing (e.g., crimping)

DEFINITION

Classification: 72/370.12

End closing (e.g., crimping):

(under subclass 370.1) Process in which an axial extremity of the tube* is sealed off.