Global Patent Index - EP 1177843 A3

EP 1177843 A3 2003-06-11 - Tube formation method and apparatus

Title (en)

Tube formation method and apparatus

Title (de)

Verfahren und Vorrichtung zum Formen von Rohren

Title (fr)

Procédé et dispositif de formation de tubes

Publication

EP 1177843 A3 (EN)

Application

EP 01300452 A

Priority

US 63142600 A

Abstract (en)

[origin: EP1177843A2] Methods and apparatus for forming products having at least one first section 102 having a first wall configuration and at least one second section 104 having a second wall configuration, the second wall configuration different from the first wall configuration. A variation in wall configuration along the axis of the tubular product 100 may be designed to be axially asymmetrical at any segment of the axis 101. <IMAGE>

IPC 1-7 (main, further and additional classification)

B21C 1/24; B21C 1/00; B21C 37/16

IPC 8 full level (invention and additional information)

B21C 1/00 (2006.01); B21C 1/24 (2006.01); B21C 37/16 (2006.01)

CPC (invention and additional information)

B21C 37/16 (2013.01); B21C 1/006 (2013.01); B21C 1/24 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1177843 A2 20020206; EP 1177843 A3 20030611; AU 7820001 A 20020218; CA 2342672 A1 20020203; WO 0211917 A1 20020214

INPADOC legal status


2004-02-04 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20030801

2003-06-11 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2003-06-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI

2002-02-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-02-06 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI