EP 3335813 B1 20190717 - SHEET METAL FORMING MACHINE BY LONGITUDINAL STRETCHING AND METHOD USING SUCH A MACHINE
Title (en)
SHEET METAL FORMING MACHINE BY LONGITUDINAL STRETCHING AND METHOD USING SUCH A MACHINE
Title (de)
UMFORMMASCHINE ZUR LÄNGSRECKUNG EINES BLECHES SOWIE VERFAHREN ZUR VERWENDUNG DIESER UMFORMMASCHINE
Title (fr)
MACHINE DE FORMAGE DE TÔLE PAR ÉTIRAGE LONGITUDINAL ET PROCÉDÉ DE MISE EN OEUVRE D'UNE TELLE MACHINE
Publication
Application
Priority
FR 1662713 A 20161219
Abstract (en)
[origin: US2018169731A1] Disclosed is a machine for forming sheets by longitudinal stretching, the machine includes: two stretch heads located on either side of a forming tool for the sheet, the stretch heads each including a line of grippers integral with a support structure which is associated with way of stretching and which is mounted on a chassis by the intermediary of a tipping axis; at least one tipping cylinder being inserted between the chassis and the support structure, in order to allow for the maneuvering in rotation of the support structure about the tipping axis; and the chassis being carried by a support frame. The stretching machine includes a unit, inserted between the support frame and the chassis, arranged to allow for an adjusting of the vertical positioning of the tipping axis.
IPC 8 full level
B21D 25/04 (2006.01)
CPC (source: EP US)
B21D 25/00 (2013.01 - US); B21D 25/04 (2013.01 - EP 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)
EP 3335813 A1 20180620; EP 3335813 B1 20190717; DK 3335813 T3 20191021; ES 2755186 T3 20200421; FR 3060425 A1 20180622; FR 3060425 B1 20190517; PL 3335813 T3 20200615; PT 3335813 T 20191030; US 10940519 B2 20210309; US 2018169731 A1 20180621
DOCDB simple family (application)
EP 17306795 A 20171218; DK 17306795 T 20171218; ES 17306795 T 20171218; FR 1662713 A 20161219; PL 17306795 T 20171218; PT 17306795 T 20171218; US 201715847239 A 20171219