ATE334255T1 - SEALING DEVICE - Google Patents

SEALING DEVICE

Info

Publication number
ATE334255T1
ATE334255T1 AT03002708T AT03002708T ATE334255T1 AT E334255 T1 ATE334255 T1 AT E334255T1 AT 03002708 T AT03002708 T AT 03002708T AT 03002708 T AT03002708 T AT 03002708T AT E334255 T1 ATE334255 T1 AT E334255T1
Authority
AT
Austria
Prior art keywords
seal
contact
radius
gap
contact surface
Prior art date
Application number
AT03002708T
Other languages
German (de)
Inventor
Wolfgang Hiller
Herbert Boden
Reinhard Leigraf
Eva Dr Scheideler
Original Assignee
Voith Paper Patent 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 Voith Paper Patent Gmbh filed Critical Voith Paper Patent Gmbh
Application granted granted Critical
Publication of ATE334255T1 publication Critical patent/ATE334255T1/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
    • D21F3/10—Suction rolls, e.g. couch rolls

Landscapes

  • Paper (AREA)
  • Sealing Devices (AREA)
  • Glass Compositions (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Package Closures (AREA)

Abstract

A paper processing machine has a seal (10) with a movable tip (20) maintaining the pressure difference between a component and the inner face (12) of a moving (B) drum (18). The tip (20) has a contact surface (22) translating to a non-contact extension (24) separated from the drum by a gap (26). The seal position is esp. radially adjustable to increase or decrease the size of the gap (26). The gap (26) is adjusted by seal swivel (32) action. The pivot (32) point is fixed. The radius (rE) of the non-contact zone (24) is the same or less than that (R) of the moving inner face (12). The radius of curvature (rD) of the contact surface (22) is greater than or the same as that (r) of the transition zone between the contact surface (22) and the non-contact extension (24). The radius of curvature (r) in the transition zone is greater than that (rE) of the non-contact extension (24). The swivel-axis (32) range is variable. The seal (20) is held in a fixture profile (21) by pressure-variable pneumatic hoses (34, 36) working in opposition.
AT03002708T 2002-03-28 2003-02-06 SEALING DEVICE ATE334255T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10214133A DE10214133A1 (en) 2002-03-28 2002-03-28 seal means

Publications (1)

Publication Number Publication Date
ATE334255T1 true ATE334255T1 (en) 2006-08-15

Family

ID=27798241

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03002708T ATE334255T1 (en) 2002-03-28 2003-02-06 SEALING DEVICE

Country Status (3)

Country Link
EP (1) EP1348806B1 (en)
AT (1) ATE334255T1 (en)
DE (2) DE10214133A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10331399A1 (en) * 2003-07-11 2005-01-27 Voith Paper Patent Gmbh Sealing device for a paper machine
DE10336216A1 (en) 2003-08-07 2005-03-03 Voith Paper Patent Gmbh Sealing device for a paper machine
DE10355427A1 (en) * 2003-11-27 2005-06-23 Voith Paper Patent Gmbh Suction or blower roll
DE102008041127A1 (en) 2008-08-08 2010-02-11 Voith Patent Gmbh Sealing system for suction roll of machine for manufacturing or processing fibrous material course, particularly paper, cardboard or tissue course, has sealing element arranged to spring element
JP7016100B2 (en) * 2020-02-04 2022-02-04 株式会社長谷川鉄工所 Sealing device for suction rolls

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274641A (en) * 1938-02-07 1942-03-03 Abbott Suction roll
DD283174A5 (en) * 1989-05-09 1990-10-03 Freiberg Papier Maschwerke DEVICE FOR ADJUSTING THE WIDTH OF A SUCTION ZONE OF SUCTION CUTS
DE19751283B4 (en) * 1997-11-19 2007-12-20 Voith Patent Gmbh seal means

Also Published As

Publication number Publication date
EP1348806B1 (en) 2006-07-26
DE10214133A1 (en) 2003-10-09
DE50304321D1 (en) 2006-09-07
EP1348806A1 (en) 2003-10-01

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee