FI62872C - Anordning foer silning av fibersuspensioner - Google Patents

Anordning foer silning av fibersuspensioner Download PDF

Info

Publication number
FI62872C
FI62872C FI781789A FI781789A FI62872C FI 62872 C FI62872 C FI 62872C FI 781789 A FI781789 A FI 781789A FI 781789 A FI781789 A FI 781789A FI 62872 C FI62872 C FI 62872C
Authority
FI
Finland
Prior art keywords
fiber suspension
silning
fibersuspensioner
fiber
anordning foer
Prior art date
Application number
FI781789A
Other languages
English (en)
Finnish (fi)
Other versions
FI781789A (fi
FI62872B (fi
Inventor
Johan Gullichsen
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI781789A priority Critical patent/FI62872C/fi
Priority to DE2954409A priority patent/DE2954409C2/de
Priority to DE2954408A priority patent/DE2954408C2/de
Priority to DE2954539A priority patent/DE2954539C2/de
Priority to DE19792920337 priority patent/DE2920337A1/de
Priority to SE7904558A priority patent/SE436652C/sv
Priority to AT0386379A priority patent/AT372992B/de
Priority to CA328,789A priority patent/CA1102604A/en
Priority to BR7903506A priority patent/BR7903506A/pt
Priority to FR7914267A priority patent/FR2428105B1/fr
Priority to JP7000979A priority patent/JPS5526283A/ja
Priority to FI792654A priority patent/FI59277C/fi
Priority to FI792655A priority patent/FI59276C/fi
Publication of FI781789A publication Critical patent/FI781789A/fi
Priority to FI802621A priority patent/FI60896C/fi
Priority to FI802650A priority patent/FI60895C/fi
Priority to FI822991A priority patent/FI68688C/fi
Application granted granted Critical
Publication of FI62872B publication Critical patent/FI62872B/fi
Priority to AT65383A priority patent/AT384048B/de
Priority to AT65483A priority patent/AT385532B/de
Publication of FI62872C publication Critical patent/FI62872C/fi
Priority to US06/636,785 priority patent/US4594152A/en
Priority to SE8404337A priority patent/SE463034B/sv
Priority to SE8404336A priority patent/SE463033B/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2722—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with ribs, ridges or grooves on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B01D29/115—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2723—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces the surfaces having a conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • 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
    • D21D5/023—Stationary screen-drums
    • D21D5/026—Stationary screen-drums with rotating cleaning foils
    • 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
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • D21D5/22—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force in apparatus with a vertical axis
    • 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
    • D21D5/26—De-aeration of paper stock
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0018—Devices for dispensing fibres in a fluid
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/911—Axial flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/007—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal rotors, e.g. impeller, ventilator, fan, blower, pump

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Cyclones (AREA)
  • Centrifugal Separators (AREA)
FI781789A 1978-06-06 1978-06-06 Anordning foer silning av fibersuspensioner FI62872C (fi)

Priority Applications (21)

Application Number Priority Date Filing Date Title
FI781789A FI62872C (fi) 1978-06-06 1978-06-06 Anordning foer silning av fibersuspensioner
DE2954409A DE2954409C2 (de) 1978-06-06 1979-05-19
DE2954408A DE2954408C2 (de) 1978-06-06 1979-05-19
DE2954539A DE2954539C2 (de) 1978-06-06 1979-05-19
DE19792920337 DE2920337A1 (de) 1978-06-06 1979-05-19 Verfahren und vorrichtung zur behandlung von fasersuspensionen
SE7904558A SE436652C (sv) 1978-06-06 1979-05-23 Forfarande och anordning for behandling av hogkoncentrerade fibersuspensioner
AT0386379A AT372992B (de) 1978-06-06 1979-05-28 Verfahren und vorrichtung zur behandlung von faserstoffsuspensionen
CA328,789A CA1102604A (en) 1978-06-06 1979-05-31 Method and an apparatus for treating fibre suspensions
BR7903506A BR7903506A (pt) 1978-06-06 1979-06-04 Processo e aparelho para tratar suspensoes de fibra de alta consistensia,aparelho de peneiracao e limpador de turbilhao
FR7914267A FR2428105B1 (fr) 1978-06-06 1979-06-05 Procede et dispositif pour traiter une suspension de fibres, notamment pour la fabrication de pulpe de cellulose
JP7000979A JPS5526283A (en) 1978-06-06 1979-06-06 Apparatus and method for treating fiber suspension
FI792654A FI59277C (fi) 1978-06-06 1979-08-27 Anordning foer rening av fibersuspensioner
FI792655A FI59276C (fi) 1978-06-06 1979-08-27 Anordning foer silning av fibersuspensioner
FI802621A FI60896C (fi) 1978-06-06 1980-08-20 Anordning foer rening av fibersuspensioner
FI802650A FI60895C (fi) 1978-06-06 1980-08-22 Anordning foer silning av fibersuspensioner
FI822991A FI68688C (fi) 1978-06-06 1982-08-30 Anordning foer inblandning av kemikalier i fibersuspensioner
AT65383A AT384048B (de) 1978-06-06 1983-02-24 Vorrichtung zur behandlung von faserstoffsuspensionen grosser dichte
AT65483A AT385532B (de) 1978-06-06 1983-02-24 Vorrichtung bzw. siebvorrichtung zur behandlung von faserstoffsuspensionen grosser dichte
US06/636,785 US4594152A (en) 1978-06-06 1984-08-01 Method and an apparatus for treating fibre suspensions
SE8404337A SE463034B (sv) 1978-06-06 1984-08-30 Silanordning
SE8404336A SE463033B (sv) 1978-06-06 1984-08-30 Virvelrenare

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI781789 1978-06-06
FI781789A FI62872C (fi) 1978-06-06 1978-06-06 Anordning foer silning av fibersuspensioner

Publications (3)

Publication Number Publication Date
FI781789A FI781789A (fi) 1979-12-07
FI62872B FI62872B (fi) 1982-11-30
FI62872C true FI62872C (fi) 1983-03-10

Family

ID=8511780

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781789A FI62872C (fi) 1978-06-06 1978-06-06 Anordning foer silning av fibersuspensioner

Country Status (9)

Country Link
US (1) US4594152A (de)
JP (1) JPS5526283A (de)
AT (1) AT372992B (de)
BR (1) BR7903506A (de)
CA (1) CA1102604A (de)
DE (4) DE2920337A1 (de)
FI (1) FI62872C (de)
FR (1) FR2428105B1 (de)
SE (3) SE436652C (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE445052C (sv) * 1980-03-13 1987-11-09 Sunds Defibrator Sett och anordning for kontinuerlig inblandning av gas- och/eller vetskeformiga behandlingsmedel i en massasuspension
US4435193A (en) 1980-04-07 1984-03-06 Kamyr Ab Controlling operation of a centrifugal pump
US4410337A (en) * 1980-04-07 1983-10-18 A. Ahlstrom Osakeyhtio Method and an apparatus for separating a gas from a fibre suspension
FR2520632B1 (fr) * 1982-02-01 1988-05-13 Diffusion Materiels Pour Fluid Procede de filtration et microfiltration tangentielle sur surface filtrante de revolution et filtre pour sa mise en oeuvre
DE3211346A1 (de) * 1982-03-27 1983-09-29 Supraton F.J. Zucker GmbH, 4040 Neuss Verfahren und vorrichtung zum defibrillieren von faserstoffsuspensionen
US4543181A (en) * 1982-12-16 1985-09-24 Kamyr, Inc. Medium consistency flat disk pressure screen
JPS60226467A (ja) * 1984-04-20 1985-11-11 日本セメント株式会社 パ−ライト系左官用材料
US4577974A (en) * 1984-05-04 1986-03-25 Kamyr, Inc. Medium consistency mixer rotor and stator construction
FI75882C (fi) * 1985-07-18 1988-08-08 Kamyr Ab Anordning foer inblandning av kemikalier i fibersuspensioner.
DE3610940A1 (de) * 1986-03-04 1987-09-10 Escher Wyss Gmbh Hochtemperatur-hochkonsistenz-schnellbleiche
FI78131C (fi) * 1986-12-17 1993-11-15 Ahlstroem Oy Foerfarande foer uppvaermning eller avkylning av massor och vaermevaexlare foer utfoerande av foerfarandet
JPS63123697U (de) * 1987-01-30 1988-08-11
FI88536C (fi) * 1987-07-02 1995-05-24 Ahlstroem Oy Foerfarande och anordning foer pumpning av hoegkonsistent massa
US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
JPH089838B2 (ja) * 1987-07-08 1996-01-31 エイ．アフルストロム コ−ポレ−ション 繊維懸濁液を濃化する方法と装置
SE461280B (sv) * 1988-06-06 1990-01-29 Kamyr Ab Behandling av ett fiberhaltigt material foere kokning till massa
FI82082C (fi) * 1989-03-29 1991-12-10 Ahlstroem Oy Foerfarande och anordning foer behandling av massa.
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
FI82495C (fi) * 1989-06-08 1991-03-11 Ahlstroem Oy Foerfarande och anordning foer separering av tunga foeroreningar fraon fibersuspensioner i samband med pumpning.
JP2509374B2 (ja) * 1990-07-23 1996-06-19 株式会社クボタ 粉粒体分級装置
SE468789B (sv) † 1991-09-05 1993-03-22 Sunds Defibrator Ind Ab Foerfarande och anordning foer inblandning av behandlingsmedium i en massasuspension
FI95821B (fi) * 1991-10-18 1995-12-15 Ahlstroem Oy Menetelmä ja laite kaasun sekoittamiseksi väliaineeseen sekä menetelmää soveltava valkaisuprosessi
US5298016A (en) * 1992-03-02 1994-03-29 Advanced Haemotechnologies Apparatus for separating plasma and other wastes from blood
US5263774A (en) * 1992-03-04 1993-11-23 Kamyr, Inc. Rotor for increasing mixing efficiency in a medium consistency mixer
FI93748B (fi) * 1992-06-08 1995-02-15 Ahlstroem Oy Tapa ja laitteisto kuitususpension käsittelemiseksi
EP0586747A1 (de) * 1992-09-10 1994-03-16 The Procter & Gamble Company Wärmetauschersystem mit Turbulator für Dispersion von Teilchen in Flüssigkeit
US5813758A (en) * 1993-12-10 1998-09-29 Ahlstrom Machinery Inc. Concentric ring fluidizing mixer
CA2158522C (en) * 1994-09-19 2001-04-10 Daniel R. Roll Mixer for mixing multi-phase fluids
DE19616623B4 (de) * 1996-04-25 2004-12-23 Der Grüne Punkt - Duales System Deutschland Ag Vorrichtung zur Trennung von zähelastischen Materialien wie Kunststoffen und von unter mechanischer Beanspruchung zerfasernden Stoffen wie Papier
US6852219B2 (en) * 2002-07-22 2005-02-08 John M. Hammond Fluid separation and delivery apparatus and method
US20040020866A1 (en) * 2002-07-22 2004-02-05 Xerox Corporation Liquid dispersion filtration and delivery apparatus and method
US7410574B2 (en) * 2004-03-03 2008-08-12 Patent Innovations Llc Magnetic particle filtration apparatus
AT413656B (de) * 2004-07-21 2006-04-15 Lenzing Technik Gmbh & Cokg Verfahren zum mischen, vorrichtung hierzu und deren verwendung
DE102011012236A1 (de) * 2011-02-24 2012-08-30 Voith Patent Gmbh Stofflöser zum Zerkleinern und Suspendieren von Papierstoff
DE102018127914A1 (de) * 2018-11-08 2020-05-14 Voith Patent Gmbh Rotor für ein Heizaggregat
DE102021211856B4 (de) 2021-10-21 2024-05-08 W. Lange GmbH Engineering & Screening Components Stofflöser zum Erzeugen einer Stoffsuspension aus festen Partikeln und einem fließfähigen Medium

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DK123146B (da) 1966-12-19 1972-05-23 H Larsen Apparat til indføring af et første fluidum i et andet.
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SE385029B (sv) * 1973-11-23 1976-05-31 Ahlstroem Oy Sett att forma en kontinuerlig materialbana av fibrosa partiklar och anordning derfor
CH576820A5 (de) * 1974-04-16 1976-06-30 Escher Wyss Gmbh
DE2428588C2 (de) 1974-06-14 1985-10-17 Fritz Lödige Vorrichtung zum Beleimen von Spänen
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FI53995C (fi) 1974-12-02 1978-09-11 Sunds Ab Silanordning
SE389351B (sv) 1975-03-14 1976-11-01 Kamyr Ab Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
DE2611886C3 (de) * 1976-03-20 1981-09-03 Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen Gerät zum Sortieren und Entstippen von Fasersuspensionen
DE2611885C3 (de) * 1976-03-20 1982-05-27 Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen Gerät zur Reinigung von Faserstoffsuspensionen
FI61215B (fi) 1976-11-23 1982-02-26 Defibrator Ab Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial
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Also Published As

Publication number Publication date
SE463034B (sv) 1990-10-01
SE436652B (sv) 1985-01-14
FI781789A (fi) 1979-12-07
ATA386379A (de) 1983-04-15
CA1102604A (en) 1981-06-09
AT372992B (de) 1983-12-12
JPS5526283A (en) 1980-02-25
DE2954409C2 (de) 1988-07-21
FR2428105A1 (fr) 1980-01-04
SE463033B (sv) 1990-10-01
US4594152A (en) 1986-06-10
FI62872B (fi) 1982-11-30
SE8404336D0 (sv) 1984-08-30
BR7903506A (pt) 1980-01-22
SE8404337D0 (sv) 1984-08-30
DE2920337C2 (de) 1988-09-08
SE436652C (sv) 1986-05-26
SE7904558L (sv) 1979-12-07
FR2428105B1 (fr) 1986-03-21
SE8404336L (sv) 1984-08-30
SE8404337L (sv) 1984-08-30
DE2954539C2 (de) 1990-03-08
DE2920337A1 (de) 1979-12-20
DE2954408C2 (de) 1990-03-29

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