EP 0573702 A1 19931215 - Method of making or transition section of a rail and rail made by this method.
Title (en)
Method of making or transition section of a rail and rail made by this method.
Title (de)
Verfahren zum Herstellen eines Übergangssektors einer Eisenbahnschiene und so hergestellte Eisenbahnschiene.
Title (fr)
Procédé de fabrication d'un secteur de transition d'un rail et rail ainsi obtenu.
Publication
Application
Priority
EP 92201678 A 19920610
Abstract (en)
The two ends of the rail have different cross-sections (22a) (22b), while a progressive transition zone, of a certain length (Lb), is provided between these two ends. The deformation is achieved by hot forging between two movable dies. <IMAGE>
IPC 1-7
IPC 8 full level
B21K 7/02 (2006.01)
CPC (source: EP)
B21K 7/02 (2013.01)
Citation (search report)
- [X] FR 751242 A 19330829 - BAMAG MEGUIN AG
- [Y] DE 874981 C 19530427 - DORTMUNDER UNION BRUECKENBAU
- [X] DE 828792 C 19520121 - OESTERR ALPINE MONTAN
- [A] DE 833581 C 19520415 - OESTERR ALPINE MONTAN
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0573702 A1 19931215; AU 4002793 A 19931216; CA 2074660 A1 19931211; MA 22902 A1 19931231
DOCDB simple family (application)
EP 92201678 A 19920610; AU 4002793 A 19930603; CA 2074660 A 19920724; MA 23201 A 19930609