EP 0259433 A1 19880316 - IMPROVEMENT IN THE APPARATUS FOR CARRYING OUT CROSS PERFORATIONS ON A PAPER BAND.
Title (en)
IMPROVEMENT IN THE APPARATUS FOR CARRYING OUT CROSS PERFORATIONS ON A PAPER BAND.
Title (de)
VERBESSERUNGEN FÜR QUERSCHLITZVORRICHTUNGEN.
Title (fr)
APPAREIL AMELIORE POUR EFFECTUER DES PERFORATIONS TRANSVERSALES SUR UNE BANDE DE PAPIER.
Publication
Application
Priority
IT 4761486 A 19860203
Abstract (en)
[origin: WO8704658A1] A novel apparatus for carrying out cross perforations consisting of a pair of parallel cylinders (11, 18) rotating almost in contact with each other, one cylinder (18) carrying the perforation blade (16) arranged as a cylindrical spiral having a very long pitch and pressing during the rotation against the surface of the second cylinder (11) normally referred to as ''striking cylinder''.
Abstract (fr)
Un nouvel appareil, permettant d'effectuer des perforations transversales, comprend une paire de cylindres parallèles (11,18) tournant presque en contact l'un avec l'autre, l'un des cylindres (18) portant la lame perforatrice (16), laquelle est disposée en spirale cylindrique ayant un très long pas et exerçant, durant la rotation, une pression contre la surface du second cylindre (11), appelé en général ''cylindre percuteur''.
IPC 1-7
IPC 8 full level
B26F 1/20 (2006.01)
CPC (source: EP)
B26F 1/20 (2013.01); B26D 2007/2692 (2013.01)
Designated contracting state (EPC)
BE CH DE FR GB LI SE
DOCDB simple family (publication)
WO 8704658 A1 19870813; AU 7027687 A 19870825; DE 3782891 D1 19930114; DE 3782891 T2 19930617; EP 0259433 A1 19880316; EP 0259433 B1 19921202; IT 1190473 B 19880216; IT 8647614 A0 19860203
DOCDB simple family (application)
IT 8700008 W 19870202; AU 7027687 A 19870202; DE 3782891 T 19870202; EP 87901609 A 19870202; IT 4761486 A 19860203