EP 3487643 B1 20230222 - DEVICE FOR PREPARING A TUBE END FOR DRAWING
Title (en)
DEVICE FOR PREPARING A TUBE END FOR DRAWING
Title (de)
VORRICHTUNG ZUR VORBEREITUNG EINES ROHRENDES ZUM GLEITZIEHEN
Title (fr)
DISPOSITIF DE PRÉPARATION D'UNE EXTRÉMITÉ DE TUBE POUR L'ÉTIRAGE
Publication
Application
Priority
- DE 102016213480 A 20160722
- DE 102017202723 A 20170221
- US 201715437495 A 20170221
- EP 2017068471 W 20170721
Abstract (en)
[origin: US2018021826A1] An apparatus for preparing a tube end for rod drawing with a floating mandrel has a releasable holder for the tube end centered on an axis, a frustoconical and spreadable floating mandrel, and a device for inserting the mandrel into the tube end and spreading the mandrel to flare the tube end. The apparatus further has a feed mechanism for inserting the floating mandrel into the tube end and/or a deforming device for making at least one indentation in the tube for holding the floating mandrel.
IPC 8 full level
B21C 1/24 (2006.01); B21C 1/32 (2006.01); B21C 3/16 (2006.01); B21C 5/00 (2006.01)
CPC (source: EP US)
B21C 1/24 (2013.01 - EP US); B21C 1/32 (2013.01 - EP US); B21C 3/16 (2013.01 - EP US); B21C 5/003 (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)
US 10639690 B2 20200505; US 2018021826 A1 20180125; DE 102017202723 A1 20180125; DE 102017202723 B4 20240508; EP 3487643 A1 20190529; EP 3487643 B1 20230222; JP 2019523138 A 20190822; JP 6726353 B2 20200722; WO 2018015533 A1 20180125
DOCDB simple family (application)
US 201715437495 A 20170221; DE 102017202723 A 20170221; EP 17751274 A 20170721; EP 2017068471 W 20170721; JP 2019503326 A 20170721