EP 0401769 B1 19920513 - DEVICE FOR CARRYING AWAY PUNCHED OUT REGIONS OF MATERIAL FROM A SHEET-LIKE MATERIAL
Title (en)
DEVICE FOR CARRYING AWAY PUNCHED OUT REGIONS OF MATERIAL FROM A SHEET-LIKE MATERIAL
Publication
Application
Priority
DE 3918470 A 19890606
Abstract (en)
[origin: US4993293A] The invention relates to an apparatus for the removal of areas of material punched out from a material in sheet form by projecting, closed punching edges on the circumferential surface of at least one rotating punching cylinder by means of compressed air, which is fed into the punching cylinder and led out from the punching cylinder through outlet openings lying within the closed punching edges, wherein the compressed air from an opening in a side face of a member at least partially embracing the punching cylinder in a guided manner is fed to inlet openings assigned to the outlet openings, which inlet openings are located in a side face of the punching cylinder closely adjacent to the side face of the member.
IPC 1-7
IPC 8 full level
B26D 7/18 (2006.01); B26F 1/38 (2006.01); B26F 1/42 (2006.01)
CPC (source: EP US)
B26D 7/1863 (2013.01 - EP US); B26F 1/384 (2013.01 - EP US); Y10T 83/0453 (2015.04 - EP US); Y10T 83/2066 (2015.04 - EP US); Y10T 83/222 (2015.04 - EP US); Y10T 83/4838 (2015.04 - EP US)
Citation (examination)
Prospekt der Firma Preston Engravers, INC, Windsor (USA), PE 752-7/85
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0401769 A1 19901212; EP 0401769 B1 19920513; AT E75991 T1 19920515; CA 2014829 A1 19901206; CA 2014829 C 19960430; DE 3918470 A1 19901213; DE 3918470 C2 19930415; DE 59000122 D1 19920617; DK 0401769 T3 19920706; ES 2032690 T3 19930216; US 4993293 A 19910219
DOCDB simple family (application)
EP 90110648 A 19900605; AT 90110648 T 19900605; CA 2014829 A 19900418; DE 3918470 A 19890606; DE 59000122 T 19900605; DK 90110648 T 19900605; ES 90110648 T 19900605; US 50393490 A 19900404