EP 0492428 A3 19920826 - DEVICE FOR PUNCHING STRIPS OF FOILS OR SHEETS
Title (en)
DEVICE FOR PUNCHING STRIPS OF FOILS OR SHEETS
Publication
Application
Priority
DE 9017365 U 19901222
Abstract (en)
[origin: EP0492428A2] A device for punching strips of foils or sheets comprises an approximately horizontal pair (1, 2) of rolls, between which the metal strip (6) is transported, the upper roll (1) being provided with punches (3) and the lower roll (2) being provided with a covering (5) made of elastically flexible material into which the punches (3) of the upper roll (1) plunge, deforming the covering (5) and punching out holes from the strip (6). Also provided are guiding and conveyor rollers for the metal strip (6) situated ahead of and following the pair (1, 2) of rolls, the following rollers (17, 18 and 19) and/or the rolls preferably being driven. <IMAGE>
IPC 1-7
IPC 8 full level
B21D 28/36 (2006.01)
CPC (source: EP)
B21D 28/36 (2013.01)
Citation (search report)
- [X] DE 845634 C 19520804 - JAHN GERHARD
- [X] GB 1212409 A 19701118 - MERRILL DAVID MARTIN [US]
- [A] EP 0015580 A1 19800917 - FISHER & PAYKEL [NZ]
- [A] DE 1962104 A1 19710616 - HUBBUCH HEINZ DIPL ING
- [A] US 3282142 A 19661101 - SAUER LOUIS E
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
DE 9017365 U1 19920130; EP 0492428 A2 19920701; EP 0492428 A3 19920826
DOCDB simple family (application)
DE 9017365 U 19901222; EP 91121761 A 19911219