Global Patent Index - EP 2648861 B1

EP 2648861 B1 20170104 - METHODE AND DEVICE FOR FORMING A PIPE PORTION

Title (en)

METHODE AND DEVICE FOR FORMING A PIPE PORTION

Title (de)

VERFAHREN UND VORRICHTUNG ZUM UMFORMEN EINES ROHRABSCHNITTES

Title (fr)

PROCÉDÉ DE FAÇONNAGE D'UNE SECTION DE TUYAU

Publication

EP 2648861 B1 20170104 (DE)

Application

EP 11794402 A 20111114

Priority

  • DE 102010053634 A 20101207
  • EP 2011005734 W 20111114

Abstract (en)

[origin: WO2012076111A2] The invention relates to a process for forming a pipe portion, in which process a base having an opening and having an inwardly projecting collar is formed. It is provided that the pipe portion is made to rotate, that the pipe portion is drawn in by means of a forming roller, with the base being formed by the drawing-in process, that an inwardly projecting material thickening is formed integrally in the base and that an opening is made in the base in the region of the inwardly projecting material thickening, wherein the inwardly projecting collar is formed by at least part of the inwardly projecting material thickening. Furthermore, the invention relates to an apparatus for forming a workpiece.

IPC 8 full level

B21D 22/18 (2006.01); B21D 41/04 (2006.01); B21D 51/24 (2006.01)

CPC (source: EP KR US)

B21D 22/18 (2013.01 - KR); B21D 22/185 (2013.01 - EP US); B21D 41/04 (2013.01 - KR); B21D 41/045 (2013.01 - EP US); B21D 51/24 (2013.01 - EP KR US)

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

DOCDB simple family (publication)

DE 102010053634 A1 20120614; DE 102010053634 B4 20121025; CN 103402664 A 20131120; CN 103402664 B 20151202; EP 2648861 A2 20131016; EP 2648861 B1 20170104; KR 101837090 B1 20180309; KR 20130100347 A 20130910; RU 2013125001 A 20150120; US 2013247635 A1 20130926; US 9233412 B2 20160112; WO 2012076111 A2 20120614; WO 2012076111 A3 20120907

DOCDB simple family (application)

DE 102010053634 A 20101207; CN 201180059201 A 20111114; EP 11794402 A 20111114; EP 2011005734 W 20111114; KR 20137014331 A 20111114; RU 2013125001 A 20111114; US 201113992214 A 20111114