EP 0644002 A3 19951018 - 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
Application
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
IPC 8 full level
B21D 5/02 (2006.01)
CPC (source: EP)
B21D 5/0209 (2013.01); B21D 5/0236 (2013.01)
Citation (search report)
- [A] FR 2598946 A1 19871127 - PROMECAN SISSON LEHMANN [FR]
- [A] DE 749638 C 19441128
- [A] EP 0387121 A1 19900912 - AMADA SA [FR]
- [A] PATENT ABSTRACTS OF JAPAN vol. 012, no. 145 (M - 693) 6 May 1988 (1988-05-06)
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