Global Patent Index - EP 0317412 B1

EP 0317412 B1 19940518 - Composed die set for drawing press.

Title (en)

Composed die set for drawing press.

Title (de)

Zusammengesetztes Ziehwerkzeug für eine Ziehpresse.

Title (fr)

Jeu d'outils composites pour presse d'emboutissage.

Publication

EP 0317412 B1 19940518 (FR)

Application

EP 88402846 A 19881114

Priority

FR 8715710 A 19871113

Abstract (en)

[origin: EP0317412A1] The combination tool set comprising plates in order to cause the relative displacement of a punch in relation to a die and a blank- holder maintaining a blank against the edge of the die during the relative displacement of the punch and the die, characterised in that the die (5) comprises a working portion (16) made of metal which engages with a working portion (26) of the punch (8) also made of metal and with a working portion (34) of the blank-holder (6) also made of metal, one at least of the working portions (16, 26, 34) being supported by a body made of plasticised concrete (12, 12a, 12b) contained in a vessel or case (10, 28, 33) connected to a soleplate carried by the press. <IMAGE>

IPC 1-7

B21D 37/20

IPC 8 full level

B21D 37/20 (2006.01)

CPC (source: EP)

B21D 37/20 (2013.01)

Designated contracting state (EPC)

DE ES GB IT NL

DOCDB simple family (publication)

EP 0317412 A1 19890524; EP 0317412 B1 19940518; DE 3889630 D1 19940623; DE 3889630 T2 19941201; ES 2054850 T3 19940816; FR 2623111 A1 19890519; FR 2623111 B1 19940527

DOCDB simple family (application)

EP 88402846 A 19881114; DE 3889630 T 19881114; ES 88402846 T 19881114; FR 8715710 A 19871113