CA2392520A1 - Press device having an extended press nip for pressing a traveling paperboard web - Google Patents

Press device having an extended press nip for pressing a traveling paperboard web Download PDF

Info

Publication number
CA2392520A1
CA2392520A1 CA002392520A CA2392520A CA2392520A1 CA 2392520 A1 CA2392520 A1 CA 2392520A1 CA 002392520 A CA002392520 A CA 002392520A CA 2392520 A CA2392520 A CA 2392520A CA 2392520 A1 CA2392520 A1 CA 2392520A1
Authority
CA
Canada
Prior art keywords
length
press
pressing
stroke
traveling
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.)
Granted
Application number
CA002392520A
Other languages
French (fr)
Other versions
CA2392520C (en
Inventor
Jorma Snellman
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.)
Valmet Technologies Oy
Original Assignee
Metso Paper Inc.
Jorma Snellman
Valmet Corporation
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20418088&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2392520(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Metso Paper Inc., Jorma Snellman, Valmet Corporation filed Critical Metso Paper Inc.
Publication of CA2392520A1 publication Critical patent/CA2392520A1/en
Application granted granted Critical
Publication of CA2392520C publication Critical patent/CA2392520C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Advancing Webs (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

A press device having an extended nip comprising a press shoe aligned across the machine direction and a support which supports the press shoe via a plurality of loading cylinders along the press shoe in order to enable application of pressure on the web during the pressing. The loading cylinders comprise a first cylinder member attached to or integrated in the press shoe, and a second cylinder member attached to or integrated in the support. The cylinder members are slidably connected by a connecting member, wherein the connecting member and the first cylinder member are movable in relation to each other with a first length of stroke, while the connecting member and the second cylinder member are movable in relation to each other with a second length of stroke, and the connecting member has third length. The first length of stroke is smaller than the second length of stroke.
CA002392520A 1999-12-10 2000-12-07 Press device having an extended press nip for pressing a traveling paperboard web Expired - Fee Related CA2392520C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9904537-9 1999-12-10
SE9904537A SE515484C2 (en) 1999-12-10 1999-12-10 Pressing device with extended press nip for pressing a running paper or cardboard web
PCT/IB2000/001997 WO2001042559A1 (en) 1999-12-10 2000-12-07 Press device having an extended press nip for pressing a traveling paperboard web

Publications (2)

Publication Number Publication Date
CA2392520A1 true CA2392520A1 (en) 2001-06-14
CA2392520C CA2392520C (en) 2009-02-10

Family

ID=20418088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002392520A Expired - Fee Related CA2392520C (en) 1999-12-10 2000-12-07 Press device having an extended press nip for pressing a traveling paperboard web

Country Status (9)

Country Link
EP (1) EP1238148B1 (en)
JP (1) JP4838473B2 (en)
CN (1) CN1181245C (en)
AT (1) ATE291660T1 (en)
AU (1) AU2020201A (en)
CA (1) CA2392520C (en)
DE (1) DE60018970T2 (en)
SE (1) SE515484C2 (en)
WO (1) WO2001042559A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118088B (en) * 2004-02-19 2007-06-29 Vaahto Oy Shoe press loading device
FI126727B (en) * 2012-10-19 2017-04-28 Valmet Technologies Inc Shoe reel, long nip press and fiber web machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT360831B (en) * 1977-12-20 1981-02-10 Escher Wyss Ag HYDRAULIC SUPPORT ELEMENT
CH659865A5 (en) * 1982-07-30 1987-02-27 Escher Wyss Ag HYDROSTATIC SUPPORT ELEMENT AND ITS USE IN A ROLLING DEVICE.
SE461171C (en) * 1988-05-25 1992-05-15 Valmet Paper Machinery Inc LONG NYP PRESSES BEFORE PAPER OR CARTON MACHINERY
FI87484C (en) * 1988-12-15 1993-01-11 Valmet Paper Machinery Inc Support arrangement for bend-compensated drum
DE29900914U1 (en) * 1998-01-30 1999-12-23 Valmet Corp Shoe press

Also Published As

Publication number Publication date
EP1238148A1 (en) 2002-09-11
ATE291660T1 (en) 2005-04-15
WO2001042559A1 (en) 2001-06-14
SE9904537L (en) 2001-06-11
AU2020201A (en) 2001-06-18
SE9904537D0 (en) 1999-12-10
DE60018970T2 (en) 2006-01-19
CA2392520C (en) 2009-02-10
SE515484C2 (en) 2001-08-13
EP1238148B1 (en) 2005-03-23
JP4838473B2 (en) 2011-12-14
CN1181245C (en) 2004-12-22
CN1409785A (en) 2003-04-09
JP2003516482A (en) 2003-05-13
DE60018970D1 (en) 2005-04-28
WO2001042559A9 (en) 2002-11-28

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20121207