Global Patent Index - EP 2027949 A1

EP 2027949 A1 2009-02-25 - IMPROVED METHOD AND TOOL FOR PRODUCING CONVOLUTED TUBES APPLICABLE TO STEERING COLUMNS AND UNIVERSAL JOINTS

Title (en)

IMPROVED METHOD AND TOOL FOR PRODUCING CONVOLUTED TUBES APPLICABLE TO STEERING COLUMNS AND UNIVERSAL JOINTS

Title (de)

VERBESSERTES VERFAHREN UND WERKZEUG ZUR HERSTELLUNG VON FÜR LENKSÄULEN UND KARDANGELENKE VERWENDBAREN WELLROHREN

Title (fr)

PROCÉDÉ AMÉLIORÉ ET INSTRUMENT DE FABRICATION DE TUBES CONVOLUTIONNÉS APPLICABLES À DES COLONNES

Publication

EP 2027949 A1 (EN)

Application

EP 06841673 A

Priority

  • ES 2006000601 W
  • ES 200601570 A

Abstract (en)

The invention refers to the manufacturing procedure for a convoluted tube (26) using a tube (28) which has previously been fitted with recesses (18) obtained by turning (14) and applying a tool (25) formed by a holder (10) equipped with discs (22) at regular distances, an inner surface (22a), operating in combination with a support (21) which is fitted inside the tube (14) to be then subjected to a compression force on the end from the head (27) of the support (21).

IPC 8 full level (invention and additional information)

B21C 37/20 (2006.01); B21D 15/06 (2006.01)

CPC (invention and additional information)

B21D 15/06 (2013.01); B21C 37/16 (2013.01); B21C 37/205 (2013.01); B21D 53/88 (2013.01)

Citation (search report)

See references of WO 2007147907A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

EP 2027949 A1 20090225; ES 2302618 A1 20080716; ES 2302618 B1 20090501; KR 20090023337 A 20090304; MX 2008013046 A 20081112; WO 2007147907 A1 20071227

INPADOC legal status


2012-11-21 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20120503

2012-08-01 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) DELETED

2009-02-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20080929

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL BA HR MK RS