EP 1022070 A3 20020102 - Mandrel, apparatus and method for the cold drawing of seamless tubes
Title (en)
Mandrel, apparatus and method for the cold drawing of seamless tubes
Title (de)
Dorn, Vorrichtung und Verfahren zum Kaltziehen nahtloser Rohre
Title (fr)
Mandrin, dispositif et procédé d'étirage à froid de tuyaux sans soudure
Publication
Application
Priority
DE 19902501 A 19990122
Abstract (en)
[origin: EP1022070A2] The cold drawing device is used in conjunction with a mandrel (1), which has a mandrel guide with a guide arm (4) fitted against the drawing direction. The device (5) is pressed against the inner wall of the tube (3). It has a flatter (2) and a tube guide (6). The tube is guided to a point going out from the flatter against the direction of drawing.
IPC 1-7
IPC 8 full level
B21C 1/24 (2006.01); B21C 3/14 (2006.01); B21C 3/16 (2006.01)
CPC (source: EP)
B21C 1/24 (2013.01); B21C 3/14 (2013.01); B21C 3/16 (2013.01)
Citation (search report)
- [XY] US 3131803 A 19640505 - HILL JOHN R, et al
- [Y] DE 1959676 A1 19710603 - WIELAND WERKE AG
- [X] GB 2158755 A 19851120 - NAT RES DEV
- [X] US 3167176 A 19650126 - HILL JOHN R, et al
- [DA] DE 19610642 A1 19970911 - MANNESMANN AG [DE]
- [X] BENSON: "praktische und theoretische gesichtspunkte bei der gestaltung fliegender ziehdorne", ZEITSCHRIFT FÜR METALLKUNDE, vol. 57, no. 10, October 1966 (1966-10-01), pages 717 - 724, XP002174468
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)
EP 1022070 A2 20000726; EP 1022070 A3 20020102; DE 19902501 A1 20000727
DOCDB simple family (application)
EP 00100800 A 20000117; DE 19902501 A 19990122