EP 2976169 A1 20160127 - HYDROFORMED CAN BOTTOM EXPANSION PROCESS AND APPARATUS
Title (en)
HYDROFORMED CAN BOTTOM EXPANSION PROCESS AND APPARATUS
Title (de)
EXPANSIONSVERFAHREN UND VORRICHTUNG FÜR HYDROGEFORMTEN DOSENBODEN
Title (fr)
PROCÉDÉ ET APPAREIL D'EXPANSION D'UN FOND DE BOÎTE MÉTALLIQUE HYDROFORMÉ
Publication
Application
Priority
- US 201361804055 P 20130321
- US 2014031506 W 20140321
Abstract (en)
[origin: WO2014153545A1] An apparatus, and associated process, expands a wall of an associated nnetal container. The apparatus includes a holder for retaining at least a portion of the metal container. A first tool has a first surface mounted for movement relative to the holder for selective advancement toward and dimensioned to engage at least a portion of the associated metal container. The first tool includes a seal so that fluid received in the associated metal container is pressurized and used to apply an expanding force to the associated metal container as the first tool advances therein. A bubble is formed in the bottom wall, and in a second station, the combination of fluid pressure and metal forming surfaces make the final configuration of the bottom wall.
IPC 8 full level
B21D 26/02 (2011.01); B21D 26/033 (2011.01); B21D 26/049 (2011.01)
CPC (source: EP US)
B21D 26/049 (2013.01 - EP US); B21D 51/2669 (2013.01 - US)
Citation (search report)
See references of WO 2014153545A1
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)
WO 2014153545 A1 20140925; EP 2976169 A1 20160127; US 2015101380 A1 20150416; WO 2016036855 A1 20160310
DOCDB simple family (application)
US 2014031506 W 20140321; EP 14769148 A 20140321; US 201414474642 A 20140902; US 2015048142 W 20150902