Global Patent Index - EP 0943423 B1

EP 0943423 B1 2002-09-11 - Heating device for a corrugating system

Title (en)

Heating device for a corrugating system

Title (de)

Heizvorrichtung für eine Wellpappenanlage

Title (fr)

Dispositif de chauffage pour un système de fabrication de carton ondulé

Publication

EP 0943423 B1 (DE)

Application

EP 99103203 A

Priority

DE 19811858 A

Abstract (en)

[origin: EP0943423A2] A flowline process for the manufacture of corrugated cardboard has the prepared layers (21,22) fed over a heating line comprising an array of heating elements (3)and pressed onto the heating elements by pressure plates fitted under a support (5) set across the process line and with elastic springs (11) to provide an even pressure on the cardboard, or onto a pressure film (4.1) which moves with the cardboard. The pressure elements are weighted to provide the optimum pressure.

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

B31F 1/28

IPC 8 full level (invention and additional information)

B31F 1/28 (2006.01)

CPC (invention and additional information)

B31F 1/2881 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 0943423 A2 19990922; EP 0943423 A3 20000927; EP 0943423 B1 20020911; DE 19811858 A1 19990923; US 6189445 B1 20010220

INPADOC legal status


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2003-09-03 [26N] NO OPPOSITION FILED

- Effective date: 20030612

2003-04-11 [ET] FR: TRANSLATION FILED

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- Effective date: 20021107

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