Tubular metal blank pipe junction - is produced by application of upsetting and radially acting punches and enclosing dies

The tubular blank is pressed axially by the upsetting dies. A radial bulge is formed into the blank. The bulge is moulded by the dies into a radial closed projection. This projection is worked into the shape of a short branch which can be produced by passing a rod into the hole in the blank wall. A...

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Bibliographische Detailangaben
Hauptverfasser:	DERYABKIN WORONOW,NIKOLAI STEPANOWITSCH, NIKOLAEWITSCH MOSHNIN,EWGENY, IWANOWITSCH ROMASCHKO,NIKOLAI, SACHAROWITSCH GUREWITSCH,WLADIMIR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The tubular blank is pressed axially by the upsetting dies. A radial bulge is formed into the blank. The bulge is moulded by the dies into a radial closed projection. This projection is worked into the shape of a short branch which can be produced by passing a rod into the hole in the blank wall. A large head is fitted at the end of this rod. The branch is completed by pulling out the rod on whose ends is fixed a sizing head. This process enables fittings to be produced without weakening the fitting walls.