EP 1225999 A1 20020731 - METHOD AND DEVICE FOR THE FORMATION OF PIPES
Title (en)
METHOD AND DEVICE FOR THE FORMATION OF PIPES
Title (de)
VERFAHREN UND VORRICHTUNGEN ZUR BILDUNG VON ROHREN
Title (fr)
PROCEDE ET DISPOSITIFS POUR FORMER DES TUYAUX
Publication
Application
Priority
- CH 0000454 W 20000825
- CH 193499 A 19991022
Abstract (en)
[origin: WO0130529A1] A welding unit (1) comprises several reduction stages and a transfer device which permit formation of the tube from the blank sheet thereof without damage to the outer surface.
IPC 1-7
IPC 8 full level
B21C 37/08 (2006.01); B23K 15/00 (2006.01); B23K 26/262 (2014.01); B23K 37/047 (2006.01); B23K 37/053 (2006.01); B23K 101/06 (2006.01)
CPC (source: EP KR US)
B23K 15/006 (2013.01 - EP US); B23K 26/262 (2015.10 - EP US); B23K 37/047 (2013.01 - EP US); B23K 37/053 (2013.01 - KR); B23K 37/0535 (2013.01 - EP US)
Citation (search report)
See references of WO 0130529A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0130529 A1 20010503; AU 6552200 A 20010508; CA 2387861 A1 20010503; EP 1225999 A1 20020731; JP 2003512178 A 20030402; KR 20020042881 A 20020607; MX PA02003774 A 20020930; US 2005103757 A1 20050519; US 6828523 B1 20041207
DOCDB simple family (application)
CH 0000454 W 20000825; AU 6552200 A 20000825; CA 2387861 A 20000825; EP 00952827 A 20000825; JP 2001532925 A 20000825; KR 20027005082 A 20020419; MX PA02003774 A 20000825; US 11058802 A 20020412; US 96761104 A 20041018