DE60029892D1 - Pressenvorrichtung mit einer Membrane - Google Patents

Pressenvorrichtung mit einer Membrane

Info

Publication number
DE60029892D1
DE60029892D1 DE60029892T DE60029892T DE60029892D1 DE 60029892 D1 DE60029892 D1 DE 60029892D1 DE 60029892 T DE60029892 T DE 60029892T DE 60029892 T DE60029892 T DE 60029892T DE 60029892 D1 DE60029892 D1 DE 60029892D1
Authority
DE
Germany
Prior art keywords
continuous web
chamber
rollers
membrane
nips
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 - Lifetime
Application number
DE60029892T
Other languages
English (en)
Other versions
DE60029892T2 (de
Inventor
David Beck
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.)
Voith Patent GmbH
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
Priority claimed from US09/409,287 external-priority patent/US6416631B1/en
Priority claimed from US09/409,794 external-priority patent/US6645420B1/en
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of DE60029892D1 publication Critical patent/DE60029892D1/de
Application granted granted Critical
Publication of DE60029892T2 publication Critical patent/DE60029892T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21F3/0254—Cluster presses, i.e. presses comprising a press chamber defined by at least three rollers
    • 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
    • D21F3/0254—Cluster presses, i.e. presses comprising a press chamber defined by at least three rollers
    • D21F3/0263—Sealing arrangements therefor
    • 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
    • D21F3/0272—Wet presses in combination with suction or blowing devices
    • 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
    • D21F3/029—Wet presses using special water-receiving belts

Landscapes

  • Paper (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE60029892T 1999-09-30 2000-09-28 Pressenvorrichtung mit einer Membrane Expired - Lifetime DE60029892T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US409794 1999-09-30
US09/409,287 US6416631B1 (en) 1998-10-29 1999-09-30 Pressing apparatus having semipermeable membrane
US09/409,794 US6645420B1 (en) 1999-09-30 1999-09-30 Method of forming a semipermeable membrane with intercommunicating pores for a pressing apparatus
US409287 1999-09-30

Publications (2)

Publication Number Publication Date
DE60029892D1 true DE60029892D1 (de) 2006-09-21
DE60029892T2 DE60029892T2 (de) 2007-02-15

Family

ID=27020584

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60029892T Expired - Lifetime DE60029892T2 (de) 1999-09-30 2000-09-28 Pressenvorrichtung mit einer Membrane

Country Status (3)

Country Link
EP (1) EP1088934B1 (de)
AT (1) ATE335878T1 (de)
DE (1) DE60029892T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702924B2 (en) 2001-09-27 2004-03-09 Voith Paper Patent Gmbh Main roll for an air press of a papermaking machine
US6875310B2 (en) 2003-03-26 2005-04-05 Voith Paper Patent Gmbh Roll configuration for an air press of a papermaking machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH563867A5 (de) * 1973-03-01 1975-07-15 Escher Wyss Gmbh
FI772143A (fi) * 1977-07-08 1979-01-09 Tampella Oy Ab Laongzonspress foer pappersmaskin
US4675079A (en) * 1982-12-14 1987-06-23 Webster David R Multi-nip suction press with a four roller closed train
US5700356A (en) * 1996-01-19 1997-12-23 Lefkowitz; Leonard R. Air permeable belt for dewatering web in press nip

Also Published As

Publication number Publication date
EP1088934A3 (de) 2003-03-12
DE60029892T2 (de) 2007-02-15
EP1088934A2 (de) 2001-04-04
EP1088934B1 (de) 2006-08-09
ATE335878T1 (de) 2006-09-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: VOITH PATENT GMBH, 89522 HEIDENHEIM, DE

8364 No opposition during term of opposition