Global Patent Index - EP 2280793 A1

EP 2280793 A1 20110209 - BUSH WIDENING APPARATUS AND PROCESS FOR FORGING A BUSH BLANK

Title (en)

BUSH WIDENING APPARATUS AND PROCESS FOR FORGING A BUSH BLANK

Title (de)

BÜCHSENAUFWEITVORRICHTUNG UND VERFAHREN ZUM SCHMIEDEN EINES BÜCHSENROHLINGS

Title (fr)

DISPOSITIF D'ÉLARGISSEMENT DE BOÎTE ET PROCÉDÉ PERMETTANT DE FORGER UNE ÉBAUCHE DE BOÎTE

Publication

EP 2280793 A1 20110209 (DE)

Application

EP 08758953 A 20080602

Priority

EP 2008004385 W 20080602

Abstract (en)

[origin: WO2009146715A1] The invention relates to a bush widening apparatus and a process by means of which it is possible, with relatively low investment costs, to partially forge certain sections of large and heavy bush blanks (5) by means of a motor-driven, e.g. hydraulically driven, forming tool (4), both the diameter and the height of these blanks increasing in size.

IPC 8 full level

B21J 7/14 (2006.01); B21K 1/76 (2006.01)

CPC (source: EP KR US)

B21J 7/14 (2013.01 - EP US); B21K 1/761 (2013.01 - EP KR US)

Citation (search report)

See references of WO 2009146715A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

WO 2009146715 A1 20091210; BR PI0822683 A2 20150630; CN 102015151 A 20110413; DE 212008000083 U1 20100812; EP 2280793 A1 20110209; JP 2011520614 A 20110721; KR 20110017375 A 20110221; US 2011083486 A1 20110414

DOCDB simple family (application)

EP 2008004385 W 20080602; BR PI0822683 A 20080602; CN 200880128793 A 20080602; DE 212008000083 U 20080602; EP 08758953 A 20080602; JP 2011509859 A 20080602; KR 20107026899 A 20080602; US 99555308 A 20080602