Global Patent Index - EP 0644002 B1

EP 0644002 B1 19990310 - Upper tool for press brake

Title (en)

Upper tool for press brake

Title (de)

Oberes Werkzeug für Biegepresse

Title (fr)

Outil supérieur pour presse plieuse

Publication

EP 0644002 B1 19990310 (EN)

Application

EP 94118710 A 19930507

Priority

  • EP 93107463 A 19930507
  • JP 12318392 A 19920515
  • JP 13351192 A 19920526
  • JP 33131892 A 19921211

Abstract (en)

[origin: EP0569880A2] An upper tool for (9) a press brake, removably attached on an upper tool holding device (1) mounted on an upper table (3) of the press brake, comprises: a wedge portion (9W) having a contact surface (9F) brought into contact with a lower surface of a support plate (7) provided on a holder body (5) of the upper tool holding device, a slide surface (9S) slidably brought into contact with any of front and rear surfaces of the support plate (7), and a clamp surface (9C) brought into pressure contact with a pressing-down and fixing section of an upper-tool pressing-down and fixing member (11) of the upper tool holding device; and a work processing portion (9M) for processing a workpiece in cooperation with a lower tool (59). Further, an upper tool holding device (1) for a press brake, for removably mounting and supporting an upper tool (9) on an upper table of the press brake, comprises: a holder body (5) attached to the upper table (3); a support plate (7) provided on a lower portion of the holder body; an upper-tool pressing-down and fixing member (11) attached to the holder body, for fixedly fastening an upper portion of an upper tool (9) in cooperation with the support plate (7); a clamp force adjusting device (13) for adjusting clamping force of the upper-tool pressing-down and fixing member; and a clamp releasing device (15) for releasing the clamped upper tool. <IMAGE>

IPC 1-7

B21D 5/02

IPC 8 full level

B21D 5/02 (2006.01)

CPC (source: EP)

B21D 5/0209 (2013.01); B21D 5/0236 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0569880 A2 19931118; EP 0569880 A3 19940112; EP 0569880 B1 19980114; DE 69316263 D1 19980219; DE 69316263 T2 19980430; DE 69323876 D1 19990415; DE 69323876 T2 19990701; EP 0644002 A2 19950322; EP 0644002 A3 19951018; EP 0644002 B1 19990310

DOCDB simple family (application)

EP 93107463 A 19930507; DE 69316263 T 19930507; DE 69323876 T 19930507; EP 94118710 A 19930507