Global patent index - EP 1033245 A1

EP 1033245 A1 2000-09-06 - Spraying damping unit with high effective spraying frequency

Title (en)

Spraying damping unit with high effective spraying frequency

Title (de)

Sprühfeuchtwerk mit hoher effektiver Sprühfrequenz

Title (fr)

Dispositif de mouillage à haute fréquence effective de pulvérisation

Publication

EP 1033245 A1 (DE)

Application

EP 00102164 A

Priority

US 25992799 A

Abstract (en)

The spray appliance has spray nozzles (40a, 40b, 40c) for applying jets of spray to the surface (62) of the printer's target element (60). Each spray nozzle goes through a cycle of pre-set frequency and phase-displacement. The individual phase displacements are synchronized so that the effective frequency of the spray-jets directed at the surface is greater than the pre-set frequency.

Abstract (de)

Ein Sprühfeuchtwerk für eine Druckmaschine umfasst eine Vielzahl von Sprühdüsen (40a, 40b, 40c), die jeweils mit einer vorgegebenen Frequenz und Phasenverschiebung aktiviert werden. Die individuellen Phasenverschiebungen sind derart synchronisiert, dass die effektive Frequenz der auf die Zielfläche gerichteten Sprühstrahlen größer als die vorgegebene Frequenz ist. Durch die erfindungsgemäße Vorrichtung wird die Leistung des Feuchtwerks verbessert, ohne dass eine neue Düsentechnik eingesetzt werden muss. Die Vorteile eines gepulsten Sprühfeuchtwerks bleiben erhalten, während das erzielte Ergebnis der Befeuchtung einem kontinuierlichen Feuchtmittelauftrag gleichkommt. <IMAGE>

IPC 1-7 (main, further and additional classification)

B41F 7/30

IPC 8 full level (invention and additional information)

B41F 7/30 (2006.01)

CPC (invention and additional information)

B41F 7/30 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1033245 A1 20000906; EP 1033245 B1 20020515; AT 217577 T 20020615; DE 10005908 A1 20000907; DE 50000164 D1 20020620; JP 2000246864 A 20000912; US 6327974 B1 20011211

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