DE264986C - - Google Patents

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Publication number
DE264986C
DE264986C DENDAT264986D DE264986DA DE264986C DE 264986 C DE264986 C DE 264986C DE NDAT264986 D DENDAT264986 D DE NDAT264986D DE 264986D A DE264986D A DE 264986DA DE 264986 C DE264986 C DE 264986C
Authority
DE
Germany
Prior art keywords
jacket
metal
core
core metal
welding
Prior art date
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.)
Active
Application number
DENDAT264986D
Other languages
German (de)
Publication of DE264986C publication Critical patent/DE264986C/de
Active legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/02Pressure butt welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Den Gegenstand vorliegender Erfindung bildet ein Verfahren zur Herstellung von Doubledraht. The subject of the present invention is a process for the production of double wire.

Es ist bekannt, Doubledraht durch Verschweißen in einem Eisenmantel unter Benutzung des infolge der größeren Ausdehnungsfähigkeit des Kernmetalls entstehenden Druckes herzustellen. Doch erfolgte die Erhitzung bisher von außen nach innen, so daß Deckmetall und Mantel Zeit hatten, dem Druck des später durchwärmten Kerns etwas auszuweichen. Bisweilen fand auch ein Abschrecken des erhitzten Ganzen statt, um den Schweißdruck von außen nach innen zu erzeugen.It is known to use double wire by welding it in an iron jacket the pressure created as a result of the greater expandability of the core metal to manufacture. However, the heating has hitherto been carried out from the outside inwards, so that cover metal and Mantel had time to evade the pressure of the core, which was later warmed through. Occasionally there was also a quenching of the heated whole in order to reduce the welding pressure from the outside to the inside.

Demgegenüber besteht die Erfindung darin, daß unter Benutzung des ersten Verfahrens die Erwärmung der Metalle vom Kernmetall aus elektrisch so schnell erfolgt, daß nicht Deckmetall und Mantel durch vorzeitige Erhitzung und Ausdehnung ausweichen können. Infolgedessen sind keine geschlossenen Muffen mit Einlagen mehr nötig. Auch wird die Schweißung nach j eder Richtung eine vollständige und kann das Preßgut sofort nach der Schweißung ohne weiteres dem umhüllenden Rohr entnommen werden.
Auf der Zeichnung zeigen:
Fig. ι einen Längsschnitt durch die Vorrichtung für die Ausübung des neuen Verfahrens und
In contrast, the invention consists in that, using the first method, the metals are heated electrically from the core metal so quickly that the cover metal and jacket cannot escape due to premature heating and expansion. As a result, closed sleeves with inserts are no longer necessary. The weld is also complete in every direction and the material to be pressed can be easily removed from the enveloping pipe immediately after the weld.
On the drawing show:
Fig. Ι a longitudinal section through the device for performing the new method and

Fig. 2 einen Querschnitt hierzu.Fig. 2 shows a cross section of this.

Ein Stab α bzw. Kern aus einem Edel- oder Unedelmetall wird mit einem Goldblech b umhüllt und das Ganze in ein Eisenrohr c gesteckt, dieses mit einem zweiteiligen Eisenmantel d umgeben und der Mantel gegen Auseinanderfallen der Hälften mittels Drähte e miteinander verbunden. Durch die mit dem Kern a in Verbindung stehenden elektrischen Pole f, f1 wird das Preßgut vom Kernmetall aus elektrisch erhitzt und durch die Ausdehnung des Kernmetalls der Schweißdruck erzeugt.A rod α or core made of a noble or base metal is wrapped in a sheet of gold b and the whole thing is inserted into an iron tube c, this is surrounded by a two-part iron jacket d and the jacket is connected to one another by means of wires e to prevent the halves from falling apart. Due to the electrical poles f, f 1 connected to the core a , the pressed material is electrically heated from the core metal and the welding pressure is generated by the expansion of the core metal.

Da nun der Schweißdruck weder durch Schrumpfung des erhitzten Ganzen infolge Ablöschens in einer Flüssigkeit erzielt wird, noch die Erhitzung des Ganzen nötig wird, so wird eine intensive, tadellose Schweißung mit weit einfacheren Mitteln in viel kürzerer Zeit erzielt.Since now the welding pressure neither by shrinkage of the heated whole as a result of extinguishing is achieved in a liquid, nor is it necessary to heat the whole thing, so an intensive, flawless weld becomes much shorter with far simpler means Time achieved.

Claims (1)

Patent-Anspruch :Patent claim: Verfahren zur Herstellung von Doubledraht durch Verschweißen in einem Eisenmantel unter Benutzung des infolge der größeren Ausdehnungsfähigkeit des Kernmetalls entstehenden Druckes, dadurch gekennzeichnet, daß die Erwärmung der Metalle vom Kernmetall (a) aus elektrisch so schnell erfolgt, daß nicht Deckmetall (b) und Mantel (d) durch vorzeitige Erhitzung und Ausdehnung ausweichen können.Process for the production of double wire by welding in an iron jacket using the pressure resulting from the greater expandability of the core metal, characterized in that the metals are heated electrically from the core metal (a) so quickly that the cover metal (b) and jacket ( d) be able to evade through premature heating and expansion. Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
DENDAT264986D Active DE264986C (en)

Publications (1)

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DE264986C true DE264986C (en)

Family

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749770C (en) * 1937-04-22 1944-12-05 Osnabruecker Kupfer U Drahtwer Process for outside cladding of iron or steel pipes
DE750277C (en) * 1937-04-22 1945-01-03 Osnabruecker Kupfer U Drahtwer Process for generating the contact pressure when internally plating iron or steel pipes
US2585818A (en) * 1946-09-23 1952-02-12 Moravec Josef Device for generation of high pressure
DE963292C (en) * 1954-12-08 1957-05-02 Siemens Ag Soldering device for parts of electron tubes, especially for performing gold diffusion soldering
DE1075534B (en) * 1960-02-18 Brown Fintube Company Elyria, Ohio (V. St. A.) Means for pressing U-shaped longitudinal ribs distributed over the inner circumference of a pipe, in particular a heat exchange pipe, onto the pipe wall for soldering

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075534B (en) * 1960-02-18 Brown Fintube Company Elyria, Ohio (V. St. A.) Means for pressing U-shaped longitudinal ribs distributed over the inner circumference of a pipe, in particular a heat exchange pipe, onto the pipe wall for soldering
DE749770C (en) * 1937-04-22 1944-12-05 Osnabruecker Kupfer U Drahtwer Process for outside cladding of iron or steel pipes
DE750277C (en) * 1937-04-22 1945-01-03 Osnabruecker Kupfer U Drahtwer Process for generating the contact pressure when internally plating iron or steel pipes
US2585818A (en) * 1946-09-23 1952-02-12 Moravec Josef Device for generation of high pressure
DE963292C (en) * 1954-12-08 1957-05-02 Siemens Ag Soldering device for parts of electron tubes, especially for performing gold diffusion soldering

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