EP 0922510 B1 20010829 - Method and device for forming a tube in a tube plate
Title (en)
Method and device for forming a tube in a tube plate
Title (de)
Verfahren und Vorrichtung zur Fertigung eines Rohres in einem Rohrboden
Title (fr)
Méthode et appareil pour le formage d'un tube dans une plaque de tubes
Publication
Application
Priority
EP 97810965 A 19971210
Abstract (en)
[origin: EP0922510A1] Hydraulic expansion of the tube (3) and formation of the rounded tube inlets is carried out with the same hydraulic equipment in a single operation and tube inlets are formed from the ends of the same tubes, Preferably tubes are passed through bores (2) of the tubeplate (1) and are expanded over the depth of the tubeplate, while projecting ends (10) are rounded. Also claimed is equipment for carrying out the method with mandrel (4) and fluid channels (5, 6).
IPC 1-7
IPC 8 full level
B21D 19/08 (2006.01); B21D 19/12 (2006.01); B21D 39/06 (2006.01); B21D 39/08 (2006.01); B21D 39/20 (2006.01); B21D 41/02 (2006.01)
CPC (source: EP US)
B21D 39/06 (2013.01 - EP US); B21D 39/203 (2013.01 - EP US); Y10T 29/49364 (2015.01 - EP US); Y10T 29/49373 (2015.01 - EP US)
Designated contracting state (EPC)
CH DE IT LI
DOCDB simple family (publication)
EP 0922510 A1 19990616; EP 0922510 B1 20010829; DE 59704471 D1 20011004; JP H11244964 A 19990914; US 5992198 A 19991130
DOCDB simple family (application)
EP 97810965 A 19971210; DE 59704471 T 19971210; JP 34737598 A 19981207; US 20632198 A 19981207