Manufacture of rotatable ignition files or flint wheels

Mechanically powered crimping tool

Mechanism for and method of shifting cam mechanisms in a press f

Metal stitcher

Metallic wall having knockouts and method of forming

Method and a punch/die assembly for the production of heat excha

Method and a punch/die assembly for the production of heat excha

Method and apparatus for fastening steel framing by crimping

Method and apparatus for fastening steel framing by crimping

Method and apparatus for forming a can shell

Method and apparatus for forming a can shell

Method and apparatus for forming elongated, tapered wall shells

Method and apparatus for forming multi-level features in an obje

Method and apparatus for improving the formability of sheet meta

Method and apparatus for making a bowed external spring retainin

Method and apparatus for making grain bin flooring

Method and apparatus for making grain bin flooring

Method and apparatus for making nipple holes in a double-walled

Method and apparatus for manufacturing and forming engine induct

Method and apparatus for manufacturing slip stopper