DE802031C - Pipe connection piece - Google Patents

Pipe connection piece

Info

Publication number
DE802031C
DE802031C DEB315A DEB0000315A DE802031C DE 802031 C DE802031 C DE 802031C DE B315 A DEB315 A DE B315A DE B0000315 A DEB0000315 A DE B0000315A DE 802031 C DE802031 C DE 802031C
Authority
DE
Germany
Prior art keywords
fitting
pipe connection
connection piece
hot
coating
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.)
Expired
Application number
DEB315A
Other languages
German (de)
Other versions
DE1626125U (en
Inventor
Otto Josef Schleimer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bergische Stahl Industrie
Original Assignee
Bergische Stahl Industrie
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 Bergische Stahl Industrie filed Critical Bergische Stahl Industrie
Priority to DEB315A priority Critical patent/DE802031C/en
Application granted granted Critical
Publication of DE802031C publication Critical patent/DE802031C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/08Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Description

Rohrverbindungsstück Gegenstand der Erfindung sindRohrverbindungsstücke bzw. Fittings, die auf ihren Anschlußenden Gewinde tragen. Um den Fittings eine widerstandsfähige Oberfläche zu geben, hat man sie vor dem Anschneiden der Gewinde feuerverzinkt. Es ist auch schon versucht -Nvorden, die Gewindeteile feuerzuverzinken, indem man die fertig angeschnittenen Fittings in ihrer Gesamtheit mit einem durch Feuerverzinkung hergestellten Überzug versah. Trotz sorgfältigster Arbeitsweise läßt es sich hierbei aber nun nicht vermeiden, daß die Gewinde ihre iMaßhaltigkeit verlieren, so daß sie nachgeschnitten werden müssen. Dadurch wird ihr Zinküberzug beschädigt und größtenteils wieder entfernt. Schließlich ist auch noch versucht worden, den fertigen Fitting in seinerGesamtheit galvanisch zu verzinken. Bei der Eigenart dieser Verzinkung ließen sich wohl auf den Gewindeteilen genügend dichte und maßhaltige Zinküberzüge herstellen, es gelang aber nicht, infolge der verminderten Streuwirkung die übrigen Teile des Fittings, insbesondere das Fittingsinnere, mit einem ebensoguten Überzug auszustatten.Pipe connector The invention relates to pipe connectors or fittings that have threads on their connecting ends. To the fittings a To give a resistant surface, you have to cut the thread galvanized. It has already been tried -Nvorden to hot-dip galvanize the threaded parts, by cutting through the finished fittings in their entirety with one Hot-dip galvanized coating. Despite the most careful way of working In this case, however, it cannot be avoided that the thread retains its dimensional accuracy lose so that they have to be cut again. This will make their zinc coating damaged and mostly removed. Finally it is also tried to galvanize the finished fitting in its entirety. In the The peculiarity of this galvanization could probably be dense enough on the threaded parts and produce dimensionally stable zinc coatings, but it did not succeed due to the reduced The remaining parts of the fitting, especially the inside of the fitting, have a scattering effect to equip an equally good coating.

Diese Ln>elstände sind nun bei dem neuen Rohrverbindungsstück bzw. Fitting vermieden. Man stellt den Fitting nämlich jetzt so her, daß man ihn vor dein Anschneiden des Gewindes feuerverzinkt, nach der Feuerverzinkung die Gewinde anschneidet und den fertigen Fitting schließlich galvanisch verzinkt. Durch die Feuerverzinkung erhalten alle Teile des Fittings, insbesondere die Durchgänge, einen dichten und haltbaren Zinküberzug. Durch die nach dem Gewindeschneiden vorgenommene galvanische Verzinkung werden auch die Gewindegiinge mit einem sie schützenden Zinküberzug versehen, der dann aber, weil er auf galvanischem Wege erzeugt ist, die Maßhaltigkeit der Gewinde nicht beeinflußt. Man hat es nämlich mit der Stromstärke und der Einwirkungszeit in der Hand, eine ganz bestimmte, gleichmäßig dichte Zinkschicht auf dem Gewinde niederzuschlagen, eine Schicht, die man bei der Bemessung des Anschnittgewindes von vornherein ohne weiteres berücksichtigen kann.These lines are now in the new pipe connector or Fitting avoided. You now manufacture the fitting in such a way that it is presented in front of it your cutting of the thread hot-dip galvanized, after the hot-dip galvanizing the thread cuts and finally galvanizes the finished fitting. Through the Hot-dip galvanizing, all parts of the fitting, especially the passages, are given one dense and durable zinc coating. By the one made after tapping The threads are also galvanized with a protective zinc coating provided, which then, because it is produced by galvanic means, the dimensional accuracy the thread is not affected. You have to deal with the strength of the current and the exposure time in the hand, a very specific, evenly dense zinc layer to be deposited on the thread, a layer that is used when dimensioning the lead thread can be taken into account from the outset without further ado.

In der Zeichnung sind die neuen Rohrverbindungsstücke bzw. Fittings beispielsweise dargestellt: Fig. i zeigt im Querschnitt einen Fitting mit geradem Durchgang, Fig. 2 im gleichen Schnitt einen Rohrbogen. In Fig. 3 ist ein T-Stück dargestellt.In the drawing, the new pipe connection pieces or fittings are shown, for example: FIG. 1 shows in cross section a fitting with a straight passage, FIG. 2 shows a pipe bend in the same section. In Fig. 3, a T-piece is shown.

Auf den neuen Rohrverbindungsstücken haben die gewindelosen Teile i einen durch Feuerverzinkung hergestellten Überzug 2, während die mit Innen- oder Außengewinde versehenen Anschlußenden 3 einen auf galvanischem Wege erzeugten Überzug q besitzen.On the new pipe fittings the threadless parts have i a coating 2 produced by hot-dip galvanizing, while those with internal or Terminal ends 3 provided with external threads have a coating produced by galvanic means q own.

Claims (1)

PATENTANSPRUCII: Rohrverbindungsstück bzw. Fitting, dadurch gekennzeichnet, daß seine gewindelosen Teile (i) einen durch Feuerverzinkung hergestellten Überzug (2) besitzen, während die mit Gewinde versehenen Anschlußenden (3) einen auf galvanischem Wege erzeugten Überzug (q.) tragen.PATENT CLAIM: Pipe connector or fitting, characterized in that that its threadless parts (i) have a coating produced by hot-dip galvanizing (2), while the threaded connection ends (3) have a galvanic Ways generated coating (q.) Wear.
DEB315A 1949-10-28 1949-10-28 Pipe connection piece Expired DE802031C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB315A DE802031C (en) 1949-10-28 1949-10-28 Pipe connection piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB315A DE802031C (en) 1949-10-28 1949-10-28 Pipe connection piece

Publications (1)

Publication Number Publication Date
DE802031C true DE802031C (en) 1951-02-01

Family

ID=6951796

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB315A Expired DE802031C (en) 1949-10-28 1949-10-28 Pipe connection piece

Country Status (1)

Country Link
DE (1) DE802031C (en)

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