DE69610078T2 - Sieb mit geneigten schlitzen zur verwendung in einem kontinuierlichen digestor - Google Patents

Sieb mit geneigten schlitzen zur verwendung in einem kontinuierlichen digestor

Info

Publication number
DE69610078T2
DE69610078T2 DE69610078T DE69610078T DE69610078T2 DE 69610078 T2 DE69610078 T2 DE 69610078T2 DE 69610078 T DE69610078 T DE 69610078T DE 69610078 T DE69610078 T DE 69610078T DE 69610078 T2 DE69610078 T2 DE 69610078T2
Authority
DE
Germany
Prior art keywords
screen
plate
inclined slots
slots
millimeters
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
DE69610078T
Other languages
English (en)
Other versions
DE69610078D1 (de
Inventor
Lasse Hernesniemi
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.)
Andritz Inc
Original Assignee
Ahlstrom Machinery Inc
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=8542914&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69610078(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Publication of DE69610078D1 publication Critical patent/DE69610078D1/de
Application granted granted Critical
Publication of DE69610078T2 publication Critical patent/DE69610078T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Combined Means For Separation Of Solids (AREA)
DE69610078T 1995-02-23 1996-02-22 Sieb mit geneigten schlitzen zur verwendung in einem kontinuierlichen digestor Expired - Lifetime DE69610078T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI950826A FI97979B (fi) 1995-02-23 1995-02-23 Sihti
PCT/FI1996/000104 WO1996026315A1 (en) 1995-02-23 1996-02-22 A screen having inclined slots for use in a continuous digester

Publications (2)

Publication Number Publication Date
DE69610078D1 DE69610078D1 (de) 2000-10-05
DE69610078T2 true DE69610078T2 (de) 2001-04-12

Family

ID=8542914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610078T Expired - Lifetime DE69610078T2 (de) 1995-02-23 1996-02-22 Sieb mit geneigten schlitzen zur verwendung in einem kontinuierlichen digestor

Country Status (7)

Country Link
US (2) US6039841A (de)
EP (1) EP0811088B1 (de)
AT (1) ATE195984T1 (de)
CA (1) CA2213475C (de)
DE (1) DE69610078T2 (de)
FI (1) FI97979B (de)
WO (1) WO1996026315A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129816A (en) * 1997-10-24 2000-10-10 Andritz-Ahlstrom Inc. Tapered screen assembly for a cellulose pulp digester
US6138838A (en) 1998-05-29 2000-10-31 J&L Fiber Services, Inc. Screen media and a screening passage therefore
US6468427B1 (en) * 1998-09-29 2002-10-22 Gambro, Inc. Fluid filter for use in extracorporeal blood processing
US6165323A (en) * 1999-02-10 2000-12-26 Andritz-Ahlstrom Inc. Screen plate having a plurality of inclined slots in a digester
FI118476B (fi) 1999-10-26 2007-11-30 Metso Paper Inc Tankosihti
US7147750B1 (en) * 2000-03-24 2006-12-12 Andritz Inc. Extraction with compaction and springback considerations
US6451172B1 (en) 2000-05-18 2002-09-17 Andritz Inc. In-line drainer enhancements
US6436233B1 (en) 2000-05-18 2002-08-20 Andritz Inc. Feeding cellulose material to a treatment vessel
DE10217926A1 (de) * 2002-04-23 2003-11-13 Voith Paper Patent Gmbh Verfahren zum Nasssieben von Faserstoffsuspensionen
US7125472B2 (en) * 2002-07-11 2006-10-24 Jack T. Baker Slotted screen for digester
US7115189B2 (en) * 2002-07-11 2006-10-03 Jack T. Baker Slotted screen for digester
US7736467B2 (en) * 2004-06-29 2010-06-15 Metso Paper Pori Oy Screen assembly for a pulp digester
MX2007001426A (es) 2004-08-09 2008-03-11 Prime Solution Inc Prensa de ventilador giratorio.
EP2218489A1 (de) * 2005-10-28 2010-08-18 Prime Solution, Inc. Rotationslüfterpresse
US7799173B2 (en) * 2007-01-18 2010-09-21 Andritz Inc. Screen plates having diagonal slots with curved inlets for a digester
SE531717C2 (sv) 2007-11-30 2009-07-21 Metso Fiber Karlstad Ab Kokarsil för en kontinuerlig cellulosamassakokare
ITVI20080017U1 (it) 2008-05-21 2009-11-21 Comer Spa Cestello filtrante di tipo perfezionato per sospensioni di fibre in acqua
US8662315B2 (en) * 2008-07-14 2014-03-04 Prime Solution, Inc. Rotary fan press
US8887925B2 (en) * 2010-06-25 2014-11-18 Abbas Motakef Wedge bar for inertial separation
WO2013105888A1 (en) * 2012-01-12 2013-07-18 Metso Paper Sweden Ab Profile bar screen for digester vessels
US8894819B2 (en) * 2012-04-25 2014-11-25 Andritz Inc. In-line drainer with shaped screen slots
SE538326C2 (en) * 2014-09-01 2016-05-17 Valmet Oy Profile bar screen for digester vessels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712776A (en) * 1953-08-13 1955-07-12 Arthur P Wagenknecht Cover for suction box of paper machines
US3713541A (en) * 1971-05-10 1973-01-30 Bird Machine Co Screening machine with slotted screen
US4795560A (en) * 1987-04-16 1989-01-03 The Black Clawson Company Screen plates
AT392303B (de) * 1988-10-06 1991-03-11 Bartelmuss Heinrich Ing Belag
SE466706B (sv) * 1990-07-20 1992-03-23 Kamyr Ab Vaeggorgan foer separering av vaetska fraan ett vaetskehaltigt partikelmaterial
SE501243C2 (sv) * 1993-12-16 1994-12-19 Kvaerner Pulping Tech Silanordning

Also Published As

Publication number Publication date
FI950826A0 (fi) 1995-02-23
US6039841A (en) 2000-03-21
ATE195984T1 (de) 2000-09-15
CA2213475A1 (en) 1996-08-29
WO1996026315A1 (en) 1996-08-29
DE69610078D1 (de) 2000-10-05
CA2213475C (en) 2000-10-17
EP0811088B1 (de) 2000-08-30
US6344112B1 (en) 2002-02-05
EP0811088A1 (de) 1997-12-10
FI950826A (fi) 1996-08-24
FI97979B (fi) 1996-12-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: ANDRITZ INC. (N.D.GES.D. STAATES DELAWARE), GLENS