EP 1197451 B1 20100310 - Method for controlling an air knife and the vacuum for improving paper pick up in a vacuum paper feed system
Title (en)
Method for controlling an air knife and the vacuum for improving paper pick up in a vacuum paper feed system
Title (de)
Luftmesser- und Unterdruckluftsteuerungsverfahren zur Verbesserung der Papiererfassung für einen Unterdruckluftpapiervorschub
Title (fr)
Procédé de commande d'un couteau à air et de la dépression pour améliorer le prélèvement de papier dans un système d'alimentation à vide de papier
Publication
Application
Priority
US 68800000 A 20001014
Abstract (en)
[origin: EP1197451A2] The method for operating a suction belt feeder comprises forming the top sheet of a stack into waves using an air knife (40) at a point in the cycle when the belt is not moving. This vibrates the sheet to assist separation from the stack An Independent claim is included for a mechanism for use in the method.
IPC 8 full level
B65H 3/12 (2006.01); B65H 3/48 (2006.01); B65H 7/16 (2006.01)
CPC (source: EP US)
B65H 3/128 (2013.01 - EP US); B65H 3/48 (2013.01 - EP US); B65H 7/16 (2013.01 - EP US); B65H 2515/34 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI NL
DOCDB simple family (publication)
EP 1197451 A2 20020417; EP 1197451 A3 20031112; EP 1197451 B1 20100310; CA 2358640 A1 20020414; DE 10149964 A1 20020418; DE 50115378 D1 20100422; JP 2002128301 A 20020509; JP 4145037 B2 20080903; US 6554269 B1 20030429
DOCDB simple family (application)
EP 01123359 A 20011010; CA 2358640 A 20011011; DE 10149964 A 20011010; DE 50115378 T 20011010; JP 2001313938 A 20011011; US 68800000 A 20001014