Global Patent Index - EP 1236828 A1

EP 1236828 A1 2002-09-04 - Head box for a paper, board or tissu machine

Title (en)

Head box for a paper, board or tissu machine

Title (de)

Stoffauflauf für Papier-, Karton- oder Tissuemaschine

Title (fr)

Caisse d'arrivée pour machine à papier, carton ou tissu

Publication

EP 1236828 A1 (DE)

Application

EP 02000741 A

Priority

DE 10106684 A

Abstract (en)

[origin: US2002153113A1] Lamella of a headbox through which at least one fibrous suspension flows. The headbox has a machine-width headbox nozzle with a nozzle length and an exit opening, and the headbox nozzle is delimited by an upper nozzle wall and a lower nozzle wall. The lamella, which is structured and arranged to be mounted within the headbox nozzle, includes a lamella body having a downstream Lamella end structured and arranged to be positioned downstream, relative to a suspension flow direction, of an opposite end of the lamella body, and the downstream lamella end includes a first surface, a portion coupled to an sloped relative to the first surface, and a second surface, located opposite the first surface, provided with a structure.

Abstract (de)

Die Erfindung betrifft eine Lamelle (10.1, 10.2) eines Stoffauflaufes (1, 1.1) einer Papier-, Karton- oder Tissuemaschine, der von mindestens einer Faserstoffsuspension (3, 3.1, 3.2) durchströmt wird und eine einen Austrittsspalt (7.1) aufweisende maschinenbreite Stoffauflaufdüse (7) mit einer Düsenlänge (LD) aufweist, die eine obere Düsenwand (13.1) und eine untere Düsenwand (13.2) umfasst und in welcher die Lamelle (10.1, 10.2) angebracht ist. Die Erfindung ist dadurch gekennzeichnet, dass die Lamelle (10.1, 10.2) mit einer Lamellenlänge (LL) an ihrem stromabwärtigen Lamellenende (11.1, 11.2) auf einer Seite, welche einer der beiden Düsenwände (13.1, 13.2) zugewandt ist, mit einer Schräge (12.11, 12.12) und auf der gegenüberliegenden Seite mit einer Struktur (12.21, 12.22) versehen ist. <IMAGE>

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

D21F 1/02; D21F 1/06; D21F 1/08

IPC 8 full level (invention and additional information)

D21F 1/02 (2006.01)

CPC (invention and additional information)

D21F 1/028 (2013.01); D21F 1/02 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT DE FI IT SE

EPO simple patent family

EP 1236828 A1 20020904; EP 1236828 B1 20050427; AT 294277 T 20050515; DE 10106684 A1 20020829; US 2002153113 A1 20021024

INPADOC legal status


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2006-04-19 [26N] NO OPPOSITION FILED

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2005-06-02 [REF] CORRESPONDS TO:

- Document: DE 50202879 P 20050602

2005-05-24 [REG SE TRGR] TRANSLATION OF GRANTED EP PATENT

2005-04-27 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

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

2004-10-27 [RTI1] TITLE (CORRECTION)

- Free text: HEAD BOX FOR A PAPER, BOARD OR TISSU MACHINE

2004-04-07 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20040219

2003-05-21 [AKX] PAYMENT OF DESIGNATION FEES

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