Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/04—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of rods or wire
B21C37/045—Manufacture of wire or rods with particular section or properties
Verfahren zur Herstellung von mit metallischem Wolfram oder Molybdän oder Legierungen dieser Metalle überzogenen Kohle- oder Metallfäden bzw. metallhältigen Kohlefäden.
Verfahren zur herstellung von mit einem umlaufenden wulst ausgebildeten leuchtroehrenstiften mit verengtem kopfenden sowie automat mit einer karussellplatte zur herstellung von leuchtroehrenstiften unter verwendung des verfahrens