Global Patent Index - EP 1044812 A1

EP 1044812 A1 2000-10-18 - Transfer drum with hinged drum caps

Title (en)

Transfer drum with hinged drum caps

Title (de)

Übergabetrommel mit schwenkbaren Trommelkappen

Title (fr)

Tambour de transfert avec capuchons pivotants

Publication

EP 1044812 A1 (DE)

Application

EP 00105721 A

Priority

DE 19912709 A

Abstract (en)

The transfer drum has air outlets in the drum's cap(3) so as to form an air cushion between the cap and a sheet of paper to transported. The interior of the transfer drum is supplied with air at excess pressure by an air-supply system (15). The cap has flap (4) sealing off the drum's interior from outside, near the rear edge (11) of the drum-cap. The other end of the flap is joi to the transfer drum. The flap is movably positioned by means of rollers (6) in a guide (7).

Abstract (de)

Die Erfindung betrifft eine Übergabetrommel mit schwenkbaren Trommelkappen zwischen Druckwerken oder nach Lackierwerken von Bogendruckmaschinen. Aufgabe der Erfindung ist die Schaffung einer flexibel einsetzbaren Übergabetrommel, die mit geringem Umstellaufwand eine für jede zu verarbeitende Materialstärke optimale abschmierfreie Führung von bedruckten oder lackierten Bögen gewährleistet. Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß die Trommelkappe (3) Luftaustrittsöffnungen für den Aufbau eines Luftpolsters zwischen der Trommelkappe (3) und einem zu transportierenden Bogen aufweist, die Übergabetrommel (18) im Trommelinnnenraum durch ein Luftversorgungssystem (15) mit Luftüberdruck beaufschlagbar, der Trommelkappe (3) in Bogenlaufrichtung gesehen im Bereich der Trommelkappen-hinterkante (11) eine den Trommelinnenraum nach außen abschließende Klappe (4) zugeordnet und die Klappe (4) mit dem anderen Ende gelenkig mit der Übergabetrommel (18) verbunden ist. <IMAGE>

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

B41F 21/10

IPC 8 full level (invention and additional information)

B41F 21/10 (2006.01); B41F 22/00 (2006.01)

CPC (invention and additional information)

B41F 22/00 (2013.01); B41F 21/10 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

DE 19912709 A1 20001005; DE 19912709 C2 20001228; EP 1044812 A1 20001018; EP 1044812 B1 20030521

INPADOC legal status


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