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SE9704236D0 - Shoe press and pressing cylinder unit - Google Patents

Shoe press and pressing cylinder unit

Info

Publication number
SE9704236D0
SE9704236D0 SE9704236A SE9704236A SE9704236D0 SE 9704236 D0 SE9704236 D0 SE 9704236D0 SE 9704236 A SE9704236 A SE 9704236A SE 9704236 A SE9704236 A SE 9704236A SE 9704236 D0 SE9704236 D0 SE 9704236D0
Authority
SE
Sweden
Prior art keywords
press
pistons
loading
shoe
loading cylinders
Prior art date
Application number
SE9704236A
Other languages
Swedish (sv)
Other versions
SE9704236L (en
SE510610C2 (en
Inventor
Lars Gustavsson
Erik Brox
Original Assignee
Valmet Karlstad Ab
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
Priority claimed from SE9703571A external-priority patent/SE510551C2/en
Application filed by Valmet Karlstad Ab filed Critical Valmet Karlstad Ab
Priority to SE9704236A priority Critical patent/SE510610C2/en
Publication of SE9704236D0 publication Critical patent/SE9704236D0/en
Priority to EP98946771A priority patent/EP1027489A1/en
Priority to PCT/SE1998/001760 priority patent/WO1999016969A1/en
Publication of SE9704236L publication Critical patent/SE9704236L/en
Publication of SE510610C2 publication Critical patent/SE510610C2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses

Landscapes

  • Paper (AREA)

Abstract

A shoe press for a paper or board machine, comprising a press shoe (1) and a counter roll (2), which between themselves form an extended nip (N) for a paper or cardboard web and a circulated flexible belt (3), a plurality of hydraulic loading cylinders (6) which are arranged between a horizontal beam (4) included in the frame system (5) of the shoe press and the press shoe (1) and adapted to press the press shoe against the counter roll, the pistons (8) of the loading cylinders being fixedly connected to the horizontal beam (4), the respective working chambers (10) of the loading cylinders being, for hydraulic fluid supply of the loading cylinders, connected by means of a vertical duct (11) formed in the piston (8) of the loading cylinder to a horizontal feeding duct (9) which extends in the cross-direction of the machine and which is common to all working chambers (10). The horizontal feeding duct (9) extends through the pistons (8) of the loading cylinders. In a loading cylinder unit, the horizontal feeding duct (9) is formed in a bar (14), which constitutes the ends of the pistons (8) of the loading cylinders or detachably connects said pistons.
SE9704236A 1997-09-30 1997-11-19 Shoe press for a paper or cardboard machine, and a pressing cylinder unit for such SE510610C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9704236A SE510610C2 (en) 1997-09-30 1997-11-19 Shoe press for a paper or cardboard machine, and a pressing cylinder unit for such
EP98946771A EP1027489A1 (en) 1997-09-30 1998-09-30 Shoe press and loading cylinder unit therefor
PCT/SE1998/001760 WO1999016969A1 (en) 1997-09-30 1998-09-30 Shoe press and loading cylinder unit therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9703571A SE510551C2 (en) 1997-09-30 1997-09-30 Shoe press for paper or cardboard machines
SE9704236A SE510610C2 (en) 1997-09-30 1997-11-19 Shoe press for a paper or cardboard machine, and a pressing cylinder unit for such

Publications (3)

Publication Number Publication Date
SE9704236D0 true SE9704236D0 (en) 1997-11-19
SE9704236L SE9704236L (en) 1999-03-31
SE510610C2 SE510610C2 (en) 1999-06-07

Family

ID=26663094

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704236A SE510610C2 (en) 1997-09-30 1997-11-19 Shoe press for a paper or cardboard machine, and a pressing cylinder unit for such

Country Status (3)

Country Link
EP (1) EP1027489A1 (en)
SE (1) SE510610C2 (en)
WO (1) WO1999016969A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461171C (en) * 1988-05-25 1992-08-17 Valmet Paper Machinery Inc LONG NYP PRESSES BEFORE PAPER OR CARTON MACHINERY
DE4409316C1 (en) * 1994-03-18 1995-06-29 Escher Wyss Gmbh Long gap press assembly for fibre web
DE19515832C1 (en) * 1995-04-29 1996-05-02 Voith Sulzer Papiermasch Gmbh Hydraulic piston for flexing shoe press on paper:making machine

Also Published As

Publication number Publication date
WO1999016969A1 (en) 1999-04-08
SE9704236L (en) 1999-03-31
SE510610C2 (en) 1999-06-07
EP1027489A1 (en) 2000-08-16

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Legal Events

Date Code Title Description
NUG Patent has lapsed