Global Patent Index - EP 0978386 A2

EP 0978386 A2 2000-02-09 - Thermal transfer printer

Title (en)

Thermal transfer printer

Title (de)

Thermotransfer-Druckvorrichtung

Title (fr)

Imprimante par transfert thermique

Publication

EP 0978386 A2 (DE)

Application

EP 99250237 A

Priority

DE 19835544 A

Abstract (en)

A thermo transfer printing unit for franking and address machines, comprises a corner edge printing head (1) with heating elements on one edge of a printing slat, and a roller (3). A housing section (2) is located against the roller and extends to the printing slat. The base adjacent to the slat is at the same height. The printing head, housing and roller can be moved w.r.t. each other.

Abstract (de)

Thermotransfer-Druckvorrichtung für eine Frankier- und/oder Adressiermaschine. Zweck ist eine Verbesserung der Funktionseigenschaften und eine Vergrößerung des Einsatzbereiches. Aufgabengemäß soll ein gute Druckqualität unabhängig von der Beschaffenheit der Briefe und bei hoher Transportgeschwindigkeit derselben erreicht werden. Erfindungsgemäße Merkmale: es ist ein Thermodruckkopf (1) vom Corner-Edge-Typ vorgesehen, dessen Heizelemente (111) an einer Kante (12) eine Druckleiste (11) bilden, die einer Gegenrolle (3) achsenparallel zugewandt ist und um die das Farbband (4) direkt vom Brief A weg herumgeführt ist, es ist an der der Gegenrolle (3) zugewandten Unterseite (13) des Thermodruckkopfes (1) eine Schale (2) vorgesehen, die bis unmittelbar an die Druckleiste (11) erstreckt ist und die mit dem der Druckleiste (11) benachbarten Bereich der Bodenfläche (21) in annähernd gleicher Höhe wie die Druckleiste (11) angeordnet ist, der Thermodruckkopf (1) einschließlich der Schale (2) und die Gegenrolle (3) sind relativ zueinander verstellbar angeordnet. Durch die erfindungsgemäße Kombination eines Thermodruckkopfes (1) vom Corner-Edge-Typ mit der speziell gestalteten Schale (2) an demselben können einerseits die kopfbedingten Vorteile einer guten Farbpartikelablösung und einer relativ geringen Anpreßkraft ausgenutzt und andererseits die kopfbedingten Nachteile bezüglich weicher und empfindlicher Briefe vermieden werden. Auf Grund der geringeren Anpreßkraft wird die Lebensdauer des Thermodruckkopfes verlängert. <IMAGE>

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

B41J 2/335

IPC 8 full level (invention and additional information)

B41J 2/325 (2006.01); B41J 2/335 (2006.01); G07B 17/00 (2006.01)

CPC (invention and additional information)

B41J 2/3353 (2013.01); B41J 2/325 (2013.01); B41J 2/3355 (2013.01); B41J 2/33565 (2013.01); G07B 17/00467 (2013.01); G07B 17/00508 (2013.01); G07B 2017/0054 (2013.01)

Citation (applicant)

Designated contracting state (EPC)

CH DE FR GB IT LI

EPO simple patent family

EP 0978386 A2 20000209; EP 0978386 A3 20010307; EP 0978386 B1 20020814; DE 19835544 C1 20001026; US 6052139 A 20000418

INPADOC legal status


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