EP 0338949 A1 19891025 - Bending machine for sheet metal.
Title (en)
Bending machine for sheet metal.
Title (de)
Biegmaschine für Bleche.
Title (fr)
Machine à plier les tÔles.
Publication
Application
Priority
FR 8805481 A 19880420
Abstract (en)
Plate metalworking. <??>The sheet metal bending machine is characterised in that: .the moveable component is a carriage (32) which can be moved in a cradle defining the support and guiding channel (31) which has the shape of a concave cylindrical casing portion open in the direction of the shoes, .the channel is carried by a frame (20) suspended on the holder (3) by means (23, 24) for adjusting the vertical and horizontal positions, .and the flap (41) comprises a radial plane of symmetry (P') passing through the centre (C) of the casing portion and possesses a bending head (44) having a symmetrical profile, on either side of the said plane. <??>Application to the machines for producing either positive or negative bends. <IMAGE>
IPC 1-7
IPC 8 full level
B21D 5/04 (2006.01)
CPC (source: EP US)
B21D 5/042 (2013.01 - EP US)
Citation (search report)
- [AD] EP 0023894 A1 19810211 - SALVAGNINI TRANSFERICA SPA [IT]
- [AD] EP 0077314 A1 19830420 - VOEST ALPINE AG [AT]
- [AD] EP 0022122 A1 19810107 - VOEST ALPINE AG [AT]
- [AD] FR 2502518 A1 19821001 - FAVRIN PIERRE [FR]
- [X] US 4043165 A 19770823 - BADGER DOUGLAS V, et al
- [X] DE 288029 C
- [Y] DE 584362 C 19330919 - HILTMANN & LORENZ AKT GES MASC
- [Y] US 3786666 A 19740122 - YORK J
- [A] FR 1525688 A 19680517 - SMERALOVY ZD Y NARODNI PODNIK
Designated contracting state (EPC)
AT BE CH DE ES GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0338949 A1 19891025; FR 2630356 A1 19891027; JP H0215829 A 19900119; US 4944176 A 19900731
DOCDB simple family (application)
EP 89420140 A 19890419; FR 8805481 A 19880420; JP 9899789 A 19890420; US 33965489 A 19890418