Global Patent Index - EP 0631011 B1

EP 0631011 B1 20000329 - Headbox for a papermaking machine

Title (en)

Headbox for a papermaking machine

Title (de)

Stoffauflauf einer Papiermaschine

Title (fr)

Caisse de tête pour une machine à papier


EP 0631011 B1 20000329 (DE)


EP 94108549 A 19940603


DE 4318430 A 19930603

Abstract (en)

[origin: EP0631011A1] The invention relates to a headbox system of a paper machine having the following features: 1.1 a central distributor is provided for the uniform distribution of the stock suspension, having an integrated attenuation system; 1.2 a forming unit constructed modularly in rows is provided; 1.2.1 at least one module per row being provided as a line connecting module; 1.2.2 a nozzle module being provided in each case; 1.2.3 at least one intermediate module - for example a formation module, a turbulence module, a diffusor module, a rectifier module, a perforated roll module or any desired combinations of these - being provided; 1.2.4 the intermediate modules being provided symmetrically with respect to at least one plane in the machine direction; 1.2.5 the flange elements of the modules being provided to be compatible with each other; 1.3 a multiplicity of optionally flexible connecting lines between distributor and forming unit are provided. <IMAGE>

IPC 1-7

D21F 1/00; D21F 1/02

IPC 8 full level

D21F 1/02 (2006.01)

CPC (source: EP)

D21F 1/02 (2013.01); D21F 1/026 (2013.01)

Designated contracting state (EPC)


DOCDB simple family (publication)

DE 4318430 A1 19941208; DE 4318430 C2 19970327; EP 0631011 A1 19941228; EP 0631011 B1 20000329

DOCDB simple family (application)

DE 4318430 A 19930603; EP 94108549 A 19940603