29 / | HD | METAL WORKING |
|
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
428 | DF | .~ Assembling or joining {21} |
505 | | .~.~ Joining by deforming {6} |
506 | DF | .~.~.~> Securing cup or tube between axially extending concentric annuli {2} |
509 | DF | .~.~.~> Overedge assembling of seated part {3} |
514 | DF | .~.~.~> Of parallel side-by-side elongated members |
515 | DF | .~.~.~> Inward deformation of aperture or hollow body wall {2} |
521 | DF | .~.~.~> Surface interlocking |
522.1 | DF | .~.~.~> Radially expanding part in cavity, aperture, or hollow body {3} |