EP 2363219 A3 20120314 - Method for manufacturing large metallic tubular piece, and large metallic tubular piece
Title (en)
Method for manufacturing large metallic tubular piece, and large metallic tubular piece
Title (de)
Verfahren zum Herstellen von grossen metallischen Rohrabschnitte und solcher metallischer Rohrabschnitt
Title (fr)
Procédé de fabrication d'une grande pièce tubulaire métallique et telle pièce tubulaire métallique
Publication
Application
Priority
FI 20105218 A 20100305
Abstract (en)
[origin: EP2363219A2] The present invention relates to metal technology and to manufacture of large metal pieces, and in particular to manufacture of large metallic sleeve pieces, the large metallic sleeve pieces being suitable for various flow applications, such as those in marine technology and process technology, and to manufacturing methods of these large metallic sleeve pieces. The large, metallic sleeve piece of the invention comprises a sleeve structure (13), (15) made of metal plate, the inner surface of the sleeve structure being formed by means of forming rolls (7 to 12) such that the metallic sleeve piece has assumed its inwardly convex shape.
IPC 8 full level
B21D 22/14 (2006.01); B21D 19/04 (2006.01); B21D 51/18 (2006.01); B21D 53/92 (2006.01); B21H 1/04 (2006.01); B21H 1/18 (2006.01); B63H 5/16 (2006.01)
CPC (source: EP FI)
B21D 19/046 (2013.01 - EP); B21D 22/14 (2013.01 - EP); B21D 51/18 (2013.01 - EP FI); B21H 1/04 (2013.01 - EP); B21H 1/18 (2013.01 - FI); B63H 5/16 (2013.01 - EP)
Citation (search report)
- [XI] US 5531370 A 19960702 - ROHRBERG RODERICK G [US]
- [XYI] US 3342051 A 19670919 - EDWARD LESZAK
- [XAYI] FR 2739831 A1 19970418 - TECIMAR [FR]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2363219 A2 20110907; EP 2363219 A3 20120314; FI 122308 B 20111130; FI 20105218 A0 20100305; FI 20105218 A 20110906
DOCDB simple family (application)
EP 11156921 A 20110304; FI 20105218 A 20100305