EP 3409392 B1 20221228 - METHOD FOR MANUFACTURING STAMPED PARTS
Title (en)
METHOD FOR MANUFACTURING STAMPED PARTS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON STANZTEILEN
Title (fr)
PROCÉDÉ DE FABRICATION DE PIÈCES ESTAMPÉES
Publication
Application
Priority
EP 17000913 A 20170530
Abstract (en)
[origin: US2018345350A1] A stamped or fine-blanked, workpiece is inserted in an embossing device, and the burr created on the workpiece during stamping or fine blanking is rounded by way of a die of the embossing device and the height of the rollover created during stamping or fine blanking is decreased using the same stroke of the embossing device by way of which the burr rounding is carried out.
IPC 8 full level
B21D 19/00 (2006.01); B21D 28/16 (2006.01); B21D 53/28 (2006.01)
CPC (source: CN EP KR US)
B21D 19/005 (2013.01 - CN EP KR US); B21D 28/16 (2013.01 - EP KR US); B21D 28/26 (2013.01 - US); B21D 35/005 (2013.01 - KR); B21D 53/28 (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 3409392 A1 20181205; EP 3409392 B1 20221228; CN 108971295 A 20181211; CN 108971295 B 20201027; ES 2941059 T3 20230516; JP 2018202482 A 20181227; JP 6726701 B2 20200722; KR 102253535 B1 20210518; KR 20180131445 A 20181210; KR 20200052252 A 20200514; US 11059087 B2 20210713; US 2018345350 A1 20181206
DOCDB simple family (application)
EP 17000913 A 20170530; CN 201810528403 A 20180529; ES 17000913 T 20170530; JP 2018095358 A 20180517; KR 20180061119 A 20180529; KR 20200040547 A 20200402; US 201815993049 A 20180530