GB1225517A - - Google Patents

Info

Publication number
GB1225517A
GB1225517A GB1225517DA GB1225517A GB 1225517 A GB1225517 A GB 1225517A GB 1225517D A GB1225517D A GB 1225517DA GB 1225517 A GB1225517 A GB 1225517A
Authority
GB
United Kingdom
Prior art keywords
board
deflection
machine direction
cross machine
controlled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1225517A publication Critical patent/GB1225517A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • D21F1/483—Drainage foils and bars
    • D21F1/486—Drainage foils and bars adjustable

Abstract

1,225,517. Paper-making machines. BELOIT CORP. 18 April, 1968 [26 May, 1967], No. 18332/68. Heading D2A. A paper-making machine has means for changing the downward deflection of the forming board 12 with changes in deflection of the breast roll 11 in the cross machine direction. In Fig. 1, the board 12 has interconnected portions 13, 14, 15 provided with pins 21, 22 slideably engaged in a support frame 23 to permit vertical deflection adjustment of the board. Rows of fluid bellows 26, 27 mounted on frame 23 apply upward forces on the board and are controlled by individual variable values so that the board deflection can be controlled in the cross machine direction. A save all pan receives water from between portions 13, 14, 15. In Fig. 6, the forming board has heated and cooled fluid chambers 43 and 42 and the temperature differential between them, which is varied, causes the centre of the board to deflect downwardly with respect to the ends in the cross machine direction. The temperature differential may be obtained by supplying cool water or a refrigerant and hot water or steam to chambers 42, 43 respectively; or thermocouple elements may be used. In Fig. 7, the forming board has members 60, 61, 62 provided with individual interconnected tanks 63, 64, 65, each tank being provided with baffles 68 with openings 69. The board deflection is controlled in the cross machine direction by changing the quantity of water in the tanks.
GB1225517D 1967-05-26 1968-04-18 Expired GB1225517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64156867A 1967-05-26 1967-05-26

Publications (1)

Publication Number Publication Date
GB1225517A true GB1225517A (en) 1971-03-17

Family

ID=24572937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225517D Expired GB1225517A (en) 1967-05-26 1968-04-18

Country Status (2)

Country Link
US (1) US3585105A (en)
GB (1) GB1225517A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992008844A1 (en) * 1990-11-13 1992-05-29 Beloit Corporation Deflection compensated forming wire turning bar
EP0503249A1 (en) * 1991-03-09 1992-09-16 Voith Sulzer Papiermaschinen GmbH Dewatering apparatus for the wet section of a papermachine
EP0520970A1 (en) * 1991-06-26 1992-12-30 Valmet Paper Machinery Inc. Twin-wire former in a paper machine
EP0629740A1 (en) * 1993-06-17 1994-12-21 Valmet Paper Machinery Inc. Method and device and arrangement of regulation in a paper machine in the control of the transverse profile of the paper web

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836428A (en) * 1972-08-25 1974-09-17 Albany Int Corp Adjustable slot suction box cover
US4232092A (en) * 1978-11-24 1980-11-04 Beloit Corporation Method of and means for precision mounting of members on elongate metallic supporting structure
US4321108A (en) * 1980-09-08 1982-03-23 Beloit Corporation Fourdrinier table
FI861811A (en) * 1986-04-30 1987-10-31 Viljo Klemetti FOERFARANDE FOER REGLERING AV TVAERSNITT PROFILEN HOS EN PAPPERSBANA SAMT EN ANORDNING FOER TILLAEMPNING AV FOERFARANDET.
US4684441A (en) * 1986-07-09 1987-08-04 Papyrus Inc. Method for operably adjusting a leading, forming board strip
US4718983A (en) * 1986-07-09 1988-01-12 Papyrus Inc. Forming board structure having an adjustable leading forming board strip
DE3929265C2 (en) * 1989-09-02 1997-05-07 Voith Sulzer Papiermasch Gmbh Strip for sheet formation zone of a paper machine
US5164048A (en) * 1990-08-29 1992-11-17 Measurex Corporation Cooling structure for stabilizing the temperature of beams in a sheet-making apparatus
DE4219292A1 (en) * 1992-06-12 1993-12-16 Escher Wyss Gmbh Twin wire former
EP1355002B1 (en) * 2002-01-24 2005-01-05 Heinz Bartelmuss Device for adjusting the position of a drainage foil
AT500751B8 (en) * 2003-02-20 2007-02-15 Bartelmuss Klaus Ing DEVICE FOR TREATING, ESPECIALLY FOR IMPRESSION DISTRIBUTION, OF THE AT LEAST ONE SIEVE BAND OR MOVING IN A PAPER GENERATION APPARATUS. felt belt

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992008844A1 (en) * 1990-11-13 1992-05-29 Beloit Corporation Deflection compensated forming wire turning bar
EP0503249A1 (en) * 1991-03-09 1992-09-16 Voith Sulzer Papiermaschinen GmbH Dewatering apparatus for the wet section of a papermachine
US5262010A (en) * 1991-03-09 1993-11-16 Sulzer Escher Wyss Gmbh Dewatering device with adjustable force elements for the web-forming section of a papermaking machine
EP0520970A1 (en) * 1991-06-26 1992-12-30 Valmet Paper Machinery Inc. Twin-wire former in a paper machine
US5387320A (en) * 1991-06-26 1995-02-07 Valmet Paper Machinery, Inc. Twin-wire web former in a paper machine
EP0629740A1 (en) * 1993-06-17 1994-12-21 Valmet Paper Machinery Inc. Method and device and arrangement of regulation in a paper machine in the control of the transverse profile of the paper web
US5552021A (en) * 1993-06-17 1996-09-03 Valmet Corporation Method, device and arrangement for regulating the control of a transverse profile of a paper web in a paper machine

Also Published As

Publication number Publication date
US3585105A (en) 1971-06-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees