EP 0111624 B1 19870114 - IMPROVEMENTS IN AND TO ALUMINIUM DISCS FOR THE MANUFACTURE OF METAL CONTAINERS BY IMPACT EXTRUSION
Title (en)
IMPROVEMENTS IN AND TO ALUMINIUM DISCS FOR THE MANUFACTURE OF METAL CONTAINERS BY IMPACT EXTRUSION
Publication
Application
Priority
ES 518141 A 19821213
Abstract (en)
[origin: EP0111624A1] Improvements in and to aluminium discs for the manufacture of metal containers by impact extrusion, which improvements are achieved by increasing the free surface of the faces of the discs, without varying their diameter, by means of a relief formed thereon, which is obtained by engraving or embossing the plane surfaces of an aluminium band, the said band being then subjected to a cutting operation for obtaining the said discs.
IPC 1-7
IPC 8 full level
B21C 23/01 (2006.01); B21C 23/32 (2006.01); B21D 31/00 (2006.01); B21K 21/02 (2006.01)
CPC (source: EP)
B21C 23/01 (2013.01); B21C 23/32 (2013.01); B21D 31/00 (2013.01); B21K 21/02 (2013.01)
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0111624 A1 19840627; EP 0111624 B1 19870114; DE 3369081 D1 19870219; EG 17259 A 19890930; ES 518141 A0 19840501; ES 8404623 A1 19840501; GR 81431 B 19841211
DOCDB simple family (application)
EP 83106088 A 19830622; DE 3369081 T 19830622; EG 71183 A 19831113; ES 518141 A 19821213; GR 830171708 A 19830616