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Machine translation
1. (WO2001036744) TWIN FABRIC FORMING SECTION BLADE MOUNTING
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/036744    International Application No.:    PCT/CA2000/001351
Publication Date: 25.05.2001 International Filing Date: 15.11.2000
Chapter 2 Demand Filed:    18.06.2001    
IPC:
D21F 1/48 (2006.01)
Applicants: ASTENJOHNSON, INC. [CA/CA]; 48 Richardson Side Road, Kanata, Ontario K2K 1X2 (CA)
Inventors: MCPHERSON, Douglas, R.; (US)
Agent: WILKES, Robert, A.; Suite 2001, 112 Kent Street, P.O. Box 3440, Station D., Ottawa, Ontario K1P 6P1 (CA).
GOSSEL, Hans-Karl; Widenmayerstrasse 23, D-80538 München (DE)
Priority Data:
09/442,033 17.11.1999 US
Title (EN) TWIN FABRIC FORMING SECTION BLADE MOUNTING
(FR) MONTURE DE LA LAME DANS LA SECTION DE FORMATION D'UNE MACHINE A DEUX TOILES
Abstract: front page image
(EN)A flexible mounting for use in the forming section of a twin forming fabric paper making machine consisting essentially of a base member (1) supported by the paper making machine structure (2) to which is attached a flexible C-shaped beam (3). The C-shaped beam (3) has one edge (4) attached to the base member (1), and a fabric contacting blade (13) attachment means (8) at the other edge. A pressurized loading tube (14) is located within the C-shaped beam (3) between the base member and the second edge of the C-shaped beam. When the pressurized loading tube (14) is loaded, the C-shaped beam (3) flexes thus allowing the blade (13) to move initially into contact with a forming fabric. As the pressurized tube is further loaded, the contact face (22) of the blade (13) is moved into further engagement with the forming fabric. In a preferred construction, the wrap angle of the fabrics at or about the blade leading edge can be minimized. The mounting thus can diminish wear of the fabric as it passes over the blade. The mounting also allows localized flexing in the blade to accommodate localized variations in conditions, such as variations in stock thickness. The mounting can also include vents (81) whereby liquid accumulated upstream of the blade is vented downstream of the mounting.
(FR)L'invention porte sur une monture flexible de la lame dans la section de formation d'une machine à papier à deux toiles comportant essentiellement une embase (1), reposant sur la structure (2) de la machine, à laquelle est fixé une plaque flexible en C (3). L'une (4) des extrémités se la plaque flexible en C (3) est fixée à l'embase (1), et l'autre au support (8) d'une lame (13) en contact avec la toile. Un tube (14) sous pression de mise en charge est placé sous la plaque en C (3) entre l'embase et sa deuxième extrémité. Le tube (14) en se chargeant fait fléchir la plaque (3) et met en un premier temps la lame (13) en contact avec l'une des toiles. Lorsque la charge augmente, la face (22) de contact de la lame (13) contacte plus fortement la toile. Dans une exécution préférée, l'angle d'enveloppement de la toile autour du bord d'attaque de la lame peut être réduit, la monture permet ainsi de diminuer l'usure de la toile passant sur la lame. La monture permet également des flexions de la lame pour tenir compte de variations ponctuelles telles que l'épaisseur de pâte. La monture peut également comprendre des évents (81) d'évacuation en aval de la lame du liquide accumulé en amont de la lame.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CR, CU, CZ, DE, DK, DM, DZ, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)