EP 2210686 A1 20100728 - Press for hot pressing billets and the like
Title (en)
Press for hot pressing billets and the like
Title (de)
Presse zum Heisspressen eines Rohlings mit geschlossenem Gesenk
Title (fr)
Presse pour presser à chaud un lopin en matrices fermées
Publication
Application
Priority
IT MI20090056 A 20090121
Abstract (en)
The present invention relates to a press (1) for hot pressing billets and the like, comprising a bottom forging die (3) rigidly coupled to the base (2) of the press and a base framework, through resilient supporting elements, and a bottom or base framework as well as a top forging die (4) associated with the press sledge (5). On the bottom die (3) at least a movable punch element (11) for press forming the workpiece is provided. The main feature of the invention is that the press further comprises driving means (13,14,16,20,21) for driving the movable punch (11), said driving means including two toggle levers (13,16) operating between the punch element (11) and a fixed point (17), a hydraulic cylinder (20,21) operating on the lever pivot pin for driving the punch element (11).
IPC 8 full level
B21J 5/02 (2006.01); B21J 9/18 (2006.01); B21J 13/02 (2006.01); B21J 13/03 (2006.01)
CPC (source: EP)
B21J 5/02 (2013.01); B21J 9/027 (2013.01); B21J 9/18 (2013.01)
Citation (search report)
- [X] DE 19933998 A1 20010125 - SKF GMBH [DE]
- [A] DE 102006023721 B3 20070802 - WEPUKO HYDRAULIK GMBH [DE]
- [A] ES 397281 A1 19750301 - MECOLPRESS DI GIULIO MOLINARI [IT]
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 MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2210686 A1 20100728; EP 2210686 A8 20101222; EP 2210686 B1 20121226; ES 2420586 T3 20130826; IT 1392795 B1 20120323; IT MI20090056 A1 20100722
DOCDB simple family (application)
EP 10150080 A 20100105; ES 10150080 T 20100105; IT MI20090056 A 20090121