Global Patent Index - EP 1262596 A2

EP 1262596 A2 2002-12-04 - Forming section and process for forming a sheet

Title (en)

Forming section and process for forming a sheet

Title (de)

Blattbildungsvorrichtung und Verfahren zur Blattbildung

Title (fr)

Section de formage et procédé de formation d'une feuille

Publication

EP 1262596 A2 (DE)

Application

EP 02009843 A

Priority

DE 10122047 A

Abstract (en)

The sheet forming device (10) includes gap formers (16,18) containing multi-layer head box (30) for receiving stocks and stock partial streams of different composition for different plies. The stocks and the stock partial streams include long fiber fraction, long fiber/short fiber fraction and short fiber fraction, fines poor fraction, fines poor/fines rich fraction and fines rich fraction. <??>Independent claims are included for the following: <??>(1) Sheet forming method; and <??>(2) Fiber stock web.

Abstract (de)

In einer Blattbildungsvorrichtung, insbesondere Maschine (10) zur Herstellung einer mehrlagigen Faserstoffbahn (12), insbesondere Papier- oder Kartonbahn oder Verpackungspapierbahn, werden die durch einen jeweiligen Former (16,18) gebildeten Lagen (A,B) miteinander vergautscht. Dabei umfasst zumindest einer (18) der Former (16,18) zur Bildung einer mehrschichtigen Lage (B) einen Mehrschicht-Stoffauflauf (30), der mit wenigstens zwei unterschiedlichen Stoffen bzw. Stoffteilströmen unterschiedlicher Zusammensetzung für verschiedene Schichten beschickt wird. <IMAGE>

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

D21F 11/04

IPC 8 full level (invention and additional information)

D21F 11/04 (2006.01)

CPC (invention and additional information)

D21F 9/006 (2013.01); D21F 11/04 (2013.01)

Designated contracting state (EPC)

AT DE FI IT SE

EPO simple patent family

US 2002162636 A1 20021107; DE 10122047 A1 20021114; EP 1262596 A2 20021204; EP 1262596 A3 20050209; US 2005039874 A1 20050224

INPADOC legal status


2007-02-14 [18R] REFUSED

- Effective date: 20060923

2006-09-13 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: VOITH PATENT GMBH

2005-10-26 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): AT DE FI IT SE

2005-10-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20050809

2005-02-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2005-02-09 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI

2002-12-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-12-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI