AT171787B - Verfahren zur Herstellung geschweißter Rohre, insbesondere durch elektrische Widerstandsschweißung - Google Patents

Verfahren zur Herstellung geschweißter Rohre, insbesondere durch elektrische Widerstandsschweißung

Info

Publication number
AT171787B
AT171787B AT171787DA AT171787B AT 171787 B AT171787 B AT 171787B AT 171787D A AT171787D A AT 171787DA AT 171787 B AT171787 B AT 171787B
Authority
AT
Austria
Prior art keywords
production
electrical resistance
resistance welding
welded pipes
pipes
Prior art date
Application number
Other languages
English (en)
Inventor
Heinrich Dipl Ing Diefenbach
Original Assignee
Heinrich Dipl Ing Diefenbach
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heinrich Dipl Ing Diefenbach filed Critical Heinrich Dipl Ing Diefenbach
Application granted granted Critical
Publication of AT171787B publication Critical patent/AT171787B/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/083—Supply, or operations combined with supply, of strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AT171787D 1951-05-29 1951-05-29 Verfahren zur Herstellung geschweißter Rohre, insbesondere durch elektrische Widerstandsschweißung AT171787B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT171787T 1951-05-29

Publications (1)

Publication Number Publication Date
AT171787B true AT171787B (de) 1952-07-10

Family

ID=3656461

Family Applications (1)

Application Number Title Priority Date Filing Date
AT171787D AT171787B (de) 1951-05-29 1951-05-29 Verfahren zur Herstellung geschweißter Rohre, insbesondere durch elektrische Widerstandsschweißung

Country Status (1)

Country Link
AT (1) AT171787B (de)

Similar Documents

Publication Publication Date Title
CH330619A (de) Kabelanschluss, Verfahren zu dessen Herstellung und Werkzeug zur Durchführung des Verfahrens
NL181409B (nl) Werkwijze ter vervaardiging van een selectief permeabel membraan.
AT180257B (de) Verfahren zur Herstellung von praktisch reinen, ungesättigten Nitrilen
CH308184A (de) Verfahren zur Herstellung geformter Gebilde aus Polyacrylnitril.
CH310840A (de) Verfahren zur Herstellung von verzinntem Kupferdraht.
CH278287A (de) Verfahren zur kontinuierlichen Herstellung von Alkyl-n-propyl-ketonen durch Hydrierung von 2-Alkyl-furanen.
CH311219A (de) Verfahren zur Herstellung geformter Gebilde.
CH308182A (de) Verfahren zur Herstellung geformter Gebilde.
CH229890A (de) Insbesondere für elektrische Kontakte geeigneter Werkstoff und Verfahren zur Herstellung desselben.
CH226268A (de) Verfahren zur Ausführung von Kehlschweissnähten durch elektrische Schweissung, insbesondere zur Herstellung von Formeisen.
CH245683A (de) Geformtes Gebilde und Verfahren zu dessen Herstellung.
CH255236A (de) Verfahren zur Herstellung einer Sperrschichtzelle und nach diesem Verfahren hergestellte Selenzelle.
CH307771A (de) Verfahren zum Herstellen einer Kathode für elektrische Entladungsröhren und nach diesem Verfahren hergestellte Kathode.
AT178516B (de) Verfahren zur Herstellung eines Schweißpulvers
AT173503B (de) Verfahren zur Herstellung vielpoliger Anker, insbesondere für Fahrradlichtmaschinen
AT192837B (de) Verfahren zur Herstellung eines Zusatzstoffes, insbesondere für einen Dämmputz
AT186368B (de) Verfahren zur Herstellung von Steroiden mit Sauerstoff in 11-Stellung
CH311197A (de) Verfahren zur Herstellung von Perchlorindan.
AT194464B (de) Elektrische Verbindung sowie Verfahren und Werkzeug zu deren Herstellung
AT185901B (de) Verfahren zur Herstellung einer Anode für Röntgenröhren.
AT195218B (de) Verfahren und Matrize zur Herstellung von Sammelrohren mit Wandverstärkungen, an denen Rohrstutzen ausgebildet werden sollen
AT176866B (de) Verfahren zur Verbesserung des Warmfestigkeitseigenschaften in Stählen
AT185387B (de) Verfahren zur Herstellung aushärtbarer Eisen-Nickel-Aluminium-Legierungen
AT182830B (de) Verfahren zur Herstellung neuer 14-Oxy-steroide
CH307456A (de) Verfahren zur Herstellung einer zwei Elektroden aufweisenden elektrischen Einrichtung und nach diesem Verfahren hergestellte Einrichtung.