Global patent index - EP 1011890 A1

EP 1011890 A1 2000-06-28 - TUBULAR METAL JOINT ASSEMBLY AND MANUFACTURING TOOL THEREFOR

Title (en)

TUBULAR METAL JOINT ASSEMBLY AND MANUFACTURING TOOL THEREFOR

Title (de)

ROHRFÖRMIGE METALLVERBINDUNGSANORDNUNG UND HERSTELLUNGSVERFAHREN DAFÜR

Title (fr)

ASSEMBLAGE PAR JOINTS TUBULAIRES METALLIQUES ET OUTIL POUR FORMER CES JOINTS

Publication

EP 1011890 A1 (EN)

Application

EP 97909078 A

Priority

  • AU 9700738 W
  • AU PO340996 A

Abstract (en)

[origin: WO9819806A1] An expansion tool (10) for forming at least one toroidal deformation (21) in a tubular metal element (20), including: a shank (12) mountable in a driving machine for rotary movement; a toolbar or workhead (11) on the shank and co-axial therewith; a pair of diametrically spaced, circumferentially extending, grooves or slots in the toolbar or workhead, each groove having an inclined floor or ramp; and a respective expansion ball (14) in each groove, each ball being movable from a respective retracted position to a respective extended position, so arranged that: on insertion of the toolbar or workhead in the tubular element (20), and on rotation of the shank in one direction by the driving machine, the expansion balls move from their retracted positions to their extended positions to progressively form at least one toroidal deformation in the tubular element.

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

B21D 39/14; B21D 39/04; B21D 39/06

IPC 8 full level (invention and additional information)

B21D 39/04 (2006.01)

CPC (invention and additional information)

B21D 39/04 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9819806 A1 19980514; AU PO340996 D0 19961128; EP 1011890 A1 20000628; EP 1011890 A4 20000628; NZ 335899 A 19990729

INPADOC legal status

2003-03-12 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020830

2002-06-05 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20020419

2000-06-28 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990529

2000-06-28 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 19991210

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT