Global Patent Index - EP 2441535 B1

EP 2441535 B1 20120822 - Method for seaming T profiles and apparatus for implementing the method

Title (en)

Method for seaming T profiles and apparatus for implementing the method

Title (de)

Verfahren zum Falzen von T-Profilen und Verfahren zur Umsetzung des Verfahrens

Title (fr)

Procédé pour agrafer des profilés en T et appareil pour l'application du procédé

Publication

EP 2441535 B1 20120822 (EN)

Application

EP 11183942 A 20111005

Priority

IT VE20100054 A 20101018

Abstract (en)

[origin: EP2441535A1] A method for producing profiles, comprising a step of profiling a sheet metal strip to obtain a T profile, characterised in that a plurality of punchings are effected on the web of the T profile with first punches (6) to form pairs of parallel incisions, said profile then being subjected to a further punching step with second punches (8) faced by dies, said first and second punches having substantially trapezoidal longitudinal section, said second punches having their major side, of length L', less than the length L of the major side of the first punches, and having the surface of their cutting tooth outwardly convex.

IPC 8 full level

B21D 39/03 (2006.01)

CPC (source: EP)

B21D 39/035 (2013.01)

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)

EP 2441535 A1 20120418; EP 2441535 B1 20120822; ES 2391629 T3 20121128; IT VE20100054 A1 20120419; PL 2441535 T3 20130131; PT 2441535 E 20120917; SI 2441535 T1 20121231

DOCDB simple family (application)

EP 11183942 A 20111005; ES 11183942 T 20111005; IT VE20100054 A 20101018; PL 11183942 T 20111005; PT 11183942 T 20111005; SI 201130006 T 20111005