Swiss Army knife and features a Victorinox or Wenger "cross" logo or, for Swiss military issue knives, the coat of arms of Switzerland. Originating in Ibach, Switzerland, the Swiss Army knife was first produced in 1891 after the company, Karl Elsener, which later became Victorinox, won the contract to produce the Swiss Army's "Modell 1890" knife from the previous German manufacturer. In 1893, the Swiss cutlery company Paul Boéchat & Cie, which later became Wenger, received its first contract from the Swiss military to produce model 1890 knives; the two companies split the contract for provision of the knives from 1908 until Victorinox
Swiss Army knife is installed, another separator and spring are placed for the next layer of tools. This process is repeated until all the desired tool layers and the finishing separator are installed. Once the knife is built, the metal parts are fastened by adding brass flanged bushings to the rivets. The excess length of the rivets is then cut off to make them flush with the bushings. Finally the remaining length of the rivets is flattened into the flanged bushings. After the assembly of the metal parts, the blades are sharpened to a 15° angle, resulting in a 30° V-shaped steel cutting