ATE66979T1 - DEWATERING UNIT FOR DRIVING WIRE PAPER MACHINES. - Google Patents

DEWATERING UNIT FOR DRIVING WIRE PAPER MACHINES.

Info

Publication number
ATE66979T1
ATE66979T1 AT88109705T AT88109705T ATE66979T1 AT E66979 T1 ATE66979 T1 AT E66979T1 AT 88109705 T AT88109705 T AT 88109705T AT 88109705 T AT88109705 T AT 88109705T AT E66979 T1 ATE66979 T1 AT E66979T1
Authority
AT
Austria
Prior art keywords
drainage
wire
endless
bottom plate
box
Prior art date
Application number
AT88109705T
Other languages
German (de)
Inventor
Wilfried Dipl Ing Theermann
Original Assignee
Reinhard Gustav Gmbh
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 Reinhard Gustav Gmbh filed Critical Reinhard Gustav Gmbh
Application granted granted Critical
Publication of ATE66979T1 publication Critical patent/ATE66979T1/en

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
    • 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
    • D21F1/52—Suction boxes without rolls
    • D21F1/523—Covers thereof
    • 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

In a drainage unit for Fourdrinier machines for upward-directed drainage of a paper mat (7), which is fed on an endless-wire section to the drainage unit and is passed along from there on a further endless-wire section, having an upper circulated wire (4) which is guided over guide rollers and which is brought together between the two endless-wire sections with a middle endless-wire section onto a downward-pointing drainage surface (3) of a drainage box (1) arranged inside the upper circulating wire (4) and can be moved past the drainage surface (3) bulging downwards in the running direction (8) of the endless wire (6), and in contact therewith, the bottom plate (2), having the drainage surface (3), of the drainage box (1) can be variably bent for changing the downward-pointing bulge of its drainage surface (3), and the upper side of the bottom plate (2) of the drainage box (1) is associated with at least one pressure element (17, 18), by means of which the bottom plate (2) can be variably bent and which, on the other side, is supported on a rigid and immovable part of the drainage box (1). <IMAGE>
AT88109705T 1988-06-16 1988-06-16 DEWATERING UNIT FOR DRIVING WIRE PAPER MACHINES. ATE66979T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88109705A EP0346519B1 (en) 1988-06-16 1988-06-16 Dewatering unit for fourdrinier machines

Publications (1)

Publication Number Publication Date
ATE66979T1 true ATE66979T1 (en) 1991-09-15

Family

ID=8199066

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88109705T ATE66979T1 (en) 1988-06-16 1988-06-16 DEWATERING UNIT FOR DRIVING WIRE PAPER MACHINES.

Country Status (4)

Country Link
EP (1) EP0346519B1 (en)
AT (1) ATE66979T1 (en)
DE (1) DE3864683D1 (en)
ES (1) ES2025734T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98540C (en) * 1989-05-08 1997-07-10 Valmet Corp Device for forming a paper or board web of fibrous material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE279570C (en) *
GB883983A (en) * 1960-06-09 1961-12-06 Lodding Engineering Corp Adjustable supports for fourdrinier screen wires
US3595744A (en) * 1965-12-22 1971-07-27 Helge Natanael Skoldkvist Pulp-forming machine
GB2003952A (en) * 1977-09-06 1979-03-21 Beloit Walmsley Ltd Improvements relating to forming machines for paper webs
DE3138133C2 (en) * 1981-09-04 1986-03-06 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Dewatering unit for Fourdrinier paper machines
GB8307437D0 (en) * 1983-03-17 1983-04-27 Beloit Walmsley Ltd Apparatus for dewatering fibrous suspensions on paper forming machine

Also Published As

Publication number Publication date
EP0346519B1 (en) 1991-09-04
ES2025734T3 (en) 1992-04-01
DE3864683D1 (en) 1991-10-10
EP0346519A1 (en) 1989-12-20

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