GB1285579A - Improvements relating to twin-wire paper-forming machines - Google Patents

Improvements relating to twin-wire paper-forming machines

Info

Publication number
GB1285579A
GB1285579A GB55914/69A GB5591469A GB1285579A GB 1285579 A GB1285579 A GB 1285579A GB 55914/69 A GB55914/69 A GB 55914/69A GB 5591469 A GB5591469 A GB 5591469A GB 1285579 A GB1285579 A GB 1285579A
Authority
GB
United Kingdom
Prior art keywords
stock
liquid
gap
wires
nozzle
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
GB55914/69A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beloit Corp
Original Assignee
Beloit Corp
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 by Beloit Corp filed Critical Beloit Corp
Publication of GB1285579A publication Critical patent/GB1285579A/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
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type

Landscapes

  • Paper (AREA)

Abstract

1285579 Papermaking BELOIT CORP 14 Nov 1969 [3 Feb 1969] 55914/69 Heading D2A A twin-wire papermaking machine comprises a pair of looped forming wires each looped about a breast roll and a couch roll, and a stock headbox comprising nozzle walls, having stationary parts 27, 28 and movable parts 33, 34, forming a stock outlet for directing stock into the gap between the breast rolls, means for preventing exposure of the stock to the air between the nozzle and the gap comprising a liquid jacket adjacent the nozzle walls and having an open end facing the gap, and means for supplying liquid under pressure to this jacket to effect discharge of the liquid at a velocity less than the velocity of the stock. As shown, liquid jacket 40 has aprons 46, 47 which extend to below the narrowest part of the gap. Spacers 51 and 52 are attached to nozzle lips 33, 34 and conform, outwardly, to the shape of flexible aprons 46, 47, leaving channels, e.g. 53, for liquid. Liquid is supplied by low-pressure pump LP, and the liquid may be water, white water, stock, or a mixture of stock and white water. The headbox may discharge into a horizontal or vertical arrangement of wires. The wires may be guided by scraper blades behind the wires.
GB55914/69A 1969-02-03 1969-11-14 Improvements relating to twin-wire paper-forming machines Expired GB1285579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79609069A 1969-02-03 1969-02-03

Publications (1)

Publication Number Publication Date
GB1285579A true GB1285579A (en) 1972-08-16

Family

ID=25167268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55914/69A Expired GB1285579A (en) 1969-02-03 1969-11-14 Improvements relating to twin-wire paper-forming machines

Country Status (4)

Country Link
US (1) US3619362A (en)
JP (1) JPS4914402B1 (en)
ES (1) ES375600A1 (en)
GB (1) GB1285579A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003413A1 (en) * 1981-04-01 1982-10-14 Egelhof Dieter Paper machine having a head box with a plurality of tuyeres
EP0529174A1 (en) * 1991-08-22 1993-03-03 Beloit Technologies, Inc. Fluid jet supported headbox

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839143A (en) * 1972-06-08 1974-10-01 Beloit Corp Multi-ply two wire former wherein multiple headboxes are used and inflatable air bellows provide adjustments therebetween
US3888729A (en) * 1972-11-06 1975-06-10 Joseph D Parker Papermaking machine headbox slice chamber containing pivotable thin rigid plates with flexible elements attached thereto
FI760291A (en) * 1976-02-06 1977-08-07 Tampella Oy Ab
DE3071086D1 (en) * 1979-02-28 1985-10-24 Wiggins Teape Group Ltd Process and apparatus for controlling the deposition of a liquid onto a moving surface
US4324820A (en) * 1980-07-18 1982-04-13 St. Regis Paper Company Method and apparatus for coating a paper web
US4687548A (en) * 1984-10-31 1987-08-18 Valmet Oy Method and apparatus for controlling distortion of fibre orientation in a paper web
US5196090A (en) * 1989-11-03 1993-03-23 Glauco Corbellini Method for recovering pulp solids from whitewater using a siphon
US5129988A (en) * 1991-06-21 1992-07-14 Kimberly-Clark Corporation Extended flexible headbox slice with parallel flexible lip extensions and extended internal dividers
US5160583A (en) * 1991-12-02 1992-11-03 Beloit Corporation Controlled jet injection apparatus for a papermaking machine headbox
US5800020A (en) * 1996-10-07 1998-09-01 Brock; Elvetia C. Infant posture support device
DE19803591A1 (en) * 1998-01-30 1999-08-05 Voith Sulzer Papiertech Patent Twin-wire former
DE19852634A1 (en) * 1998-11-14 2000-05-18 Voith Sulzer Papiertech Patent Sheet formation system
CN107354795B (en) * 2017-09-13 2019-05-14 淮安恒发纸业有限公司 The double net forming techniques of paper web

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25333E (en) * 1963-02-19 Baxter
US3092538A (en) * 1960-11-09 1963-06-04 Beloit Iron Works Method and apparatus for feeding stock to paper making machine
US3215593A (en) * 1963-01-25 1965-11-02 Black Clawson Co Headbox for twin wire paper making apparatus
US3326745A (en) * 1964-12-04 1967-06-20 Kimberly Clark Co Apparatus for forming paper between a forming wire and felt
US3450596A (en) * 1965-02-19 1969-06-17 Black Clawson Co Headbox for twin wire paper machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003413A1 (en) * 1981-04-01 1982-10-14 Egelhof Dieter Paper machine having a head box with a plurality of tuyeres
EP0529174A1 (en) * 1991-08-22 1993-03-03 Beloit Technologies, Inc. Fluid jet supported headbox
US5298125A (en) * 1991-08-22 1994-03-29 Beloit Technologies, Inc. Fluid jet supported headbox

Also Published As

Publication number Publication date
JPS4914402B1 (en) 1974-04-08
ES375600A1 (en) 1972-05-16
US3619362A (en) 1971-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee