ATE34670T1 - Sieben fuer reinigungsvorrichtungen und verfahren zu ihrer herstellung. - Google Patents

Sieben fuer reinigungsvorrichtungen und verfahren zu ihrer herstellung.

Info

Publication number
ATE34670T1
ATE34670T1 AT85402055T AT85402055T ATE34670T1 AT E34670 T1 ATE34670 T1 AT E34670T1 AT 85402055 T AT85402055 T AT 85402055T AT 85402055 T AT85402055 T AT 85402055T AT E34670 T1 ATE34670 T1 AT E34670T1
Authority
AT
Austria
Prior art keywords
notches
bars
cross
section
support members
Prior art date
Application number
AT85402055T
Other languages
English (en)
Inventor
Pierre Lamort
Original Assignee
Lamort E & M
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 Lamort E & M filed Critical Lamort E & M
Application granted granted Critical
Publication of ATE34670T1 publication Critical patent/ATE34670T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4618—Manufacturing of screening surfaces
    • 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
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • 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
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B01D29/25—Supported filter elements arranged for outward 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
    • 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
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/445—Bar screens
    • 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
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12—Apparatus having only parallel elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4681—Meshes of intersecting, non-woven, elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/184—Special form, dimension of the openings, pores of the filtering elements
    • 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
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making
    • Y10T29/49604—Filter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Silicon Compounds (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
AT85402055T 1984-11-12 1985-10-23 Sieben fuer reinigungsvorrichtungen und verfahren zu ihrer herstellung. ATE34670T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8417189A FR2572950B1 (fr) 1984-11-12 1984-11-12 Perfectionnements aux tamis pour epurateurs et a leur mode de fabrication
EP85402055A EP0182688B1 (de) 1984-11-12 1985-10-23 Sieben für Reinigungsvorrichtungen und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
ATE34670T1 true ATE34670T1 (de) 1988-06-15

Family

ID=9309479

Family Applications (2)

Application Number Title Priority Date Filing Date
AT85402028T ATE40299T1 (de) 1984-11-12 1985-10-21 Siebe fuer die pulpreinigung und mit diesen sieben versehene siebe.
AT85402055T ATE34670T1 (de) 1984-11-12 1985-10-23 Sieben fuer reinigungsvorrichtungen und verfahren zu ihrer herstellung.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT85402028T ATE40299T1 (de) 1984-11-12 1985-10-21 Siebe fuer die pulpreinigung und mit diesen sieben versehene siebe.

Country Status (9)

Country Link
US (1) US4846971A (de)
EP (2) EP0187553B1 (de)
JP (2) JPS61119792A (de)
AT (2) ATE40299T1 (de)
CA (1) CA1265753A (de)
DE (2) DE3567812D1 (de)
ES (2) ES296317Y (de)
FI (2) FI78519C (de)
FR (1) FR2572950B1 (de)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI77481C (fi) * 1985-05-29 1989-03-10 Ahlstroem Oy Sil.
FR2612081B1 (fr) * 1987-03-13 1991-02-08 Lamort E & M Perfectionnement aux tamis pour epurateur et a leur mode de fabrication
DE3716434C1 (de) * 1987-05-16 1988-12-08 Hans-Georg Huber Vorrichtung zum Entfernen von Rechen- und/oder Siebgut aus in einem Gerinne stroemender Fluessigkeit
JPH02501491A (ja) * 1987-06-11 1990-05-24 エイ．アフルストロム　コーポレーション パルプ濾過装置
WO1988010335A1 (en) * 1987-06-26 1988-12-29 A. Ahlstrom Corporation An apparatus for screening pulp and a method of screening a pulp suspension
DE3816152A1 (de) * 1987-11-14 1989-11-23 Voith Gmbh J M Siebkorb und verfahren zu dessen herstellung
FR2623419B1 (fr) * 1987-11-25 1990-03-23 Combustion Eng Europ Appareil de filtrage autonettoyant
EP0354846B1 (de) * 1988-08-12 1992-10-21 E & M LAMORT Sieb zur Reinigung und Klassifizierung von Papierstoffbrei
JPH0281607U (de) * 1988-12-07 1990-06-25
EP0383622A3 (de) * 1989-02-16 1990-12-19 Tom Holdings Limited Filtrationsverfahren
DE3927748C2 (de) * 1989-08-23 1994-03-10 Voith Gmbh J M Verfahren zum Herstellen eines Siebkorbes sowie nach diesem Verfahren hergestellter Siebkorb
DE3942591A1 (de) * 1989-12-22 1991-06-27 Voith Gmbh J M Siebkorb
US5047148A (en) * 1990-04-24 1991-09-10 Koichi Arai Retained wire filter element
DE4104615A1 (de) * 1991-02-15 1992-08-20 Voith Gmbh J M Siebkorb
DE4121897A1 (de) * 1991-07-02 1993-01-07 Fiedler Heinrich Gmbh Siebelement
DE4121896A1 (de) * 1991-07-02 1993-01-07 Fiedler Heinrich Gmbh Siebelement
EP0554491B1 (de) * 1992-02-07 1997-07-02 VOTECH FILTER GmbH Filterpatrone
DE4224727A1 (de) * 1992-07-27 1994-02-03 Voith Gmbh J M Siebkorb
SE500893C2 (sv) * 1993-02-10 1994-09-26 Sunds Defibrator Ind Ab Trycksilanordning
SE501273C2 (sv) * 1993-05-14 1994-12-19 Knutsilplaotar Ab Siltrumma för silning av suspensioner av lignocellulosahaltigt fibermaterial
DE4435538C2 (de) * 1994-10-05 1996-10-02 Voith Gmbh J M Verfahren zur Herstellung eines Flachsiebes
US5823355A (en) * 1995-03-29 1998-10-20 Beloit Technologies, Inc. Fibresaver screen basket support
FI100344B (fi) * 1995-11-28 1997-11-14 Ahlstrom Machinery Oy Menetelmä lankaseulatuotteen valmistamiseksi ja lankaseulatuote
AU720868B2 (en) * 1995-12-14 2000-06-15 Attlington Investments Limited Method of producing a metal section
US5791495A (en) * 1996-03-11 1998-08-11 Beloit Technologies, Inc. Paper pulp screen cylinder
DE19620051A1 (de) * 1996-05-18 1997-11-20 Voith Sulzer Stoffaufbereitung Vorrichtung zum Sortieren von faserstoffhaltiger Suspension
ATE210756T1 (de) * 1996-05-24 2001-12-15 Voith Sulzer Stoffaufbereitung Verfahren zur herstellung einer siebvorrichtung mit spaltförmigen öffnungen sowie danach hergestellte siebvorrichtung
CN1080350C (zh) 1996-10-03 2002-03-06 Cae筛板公司 筛浆装置、例如筛筒以及筛浆装置的制造方法
US7188733B2 (en) * 1996-10-03 2007-03-13 Advanced Fiber Technologies (Aft) Trust Screening device, such as a screen cylinder, and method of manufacture of the screening device
US5954956A (en) * 1997-07-22 1999-09-21 J&L Fiber Services Modular screen cylinder and a method for its manufacture
US6165370A (en) * 1998-01-21 2000-12-26 Voith Sulzer Paper Technology North America, Inc. Pressure screen monitoring apparatus and method
FR2786480A1 (fr) * 1998-12-01 2000-06-02 Polydis Ind Dispositif de traitement biologique des eaux industrielles usees, notamment de rejets vinicoles
FR2809029B1 (fr) * 2000-05-16 2002-06-21 Johnson Filtration Systems Procede de fabrication d'un panier mecanique de filtration
DE10052715A1 (de) * 2000-10-24 2002-05-02 Fiedler Heinrich Gmbh Spaltsiebanordnung
US6460757B1 (en) 2000-11-14 2002-10-08 Newscreen As Apparatus and method for forming slotted wire screens
JP2002346430A (ja) * 2001-05-23 2002-12-03 Mitsubishi Heavy Ind Ltd スクリーンシリンダの製作方法、スクリーン、および材料ふるい分け装置
SE519079C2 (sv) * 2001-05-30 2003-01-07 Metso Paper Inc Sil för silning av massasuspensioner innefattande en stödring med konisk yta
DE10148192A1 (de) * 2001-09-28 2003-04-17 Fiedler Heinrich Gmbh Spaltsiebanordnung
ITVI20040139A1 (it) * 2004-06-10 2004-09-10 Comer Spa Metodo per la fabbricazione di cestelli filtranti di fibre in sospensione acquosa e cestello filtrante fabbricato mediante detto metodo
WO2006119614A1 (en) 2005-05-09 2006-11-16 Hetu Marc-Andre Screen basket with replaceable profiled bars
DE102006007660A1 (de) * 2006-02-22 2007-08-23 Voith Patent Gmbh Verfahren zur Herstellung einer rotations-symmetrischen, insbesondere zylindrischen Siebvorrichtung
ITVI20070209A1 (it) * 2007-07-31 2009-02-01 Comer Spa Cestello filtrante perfezionato per fibre in sospensione acquosa
MX2010005202A (es) 2007-11-14 2010-11-12 Filtration Fibrewall Inc Canasta de filtro.
US20090211965A1 (en) * 2008-02-21 2009-08-27 Weatherford/Lamb, Inc. Arrangement for splicing panels together to form a cylindrical screen
US8028691B2 (en) 2008-10-27 2011-10-04 Johnson Screens, Inc. Passive solar wire screens for buildings
AT509855B1 (de) * 2010-07-29 2011-12-15 Ife Aufbereitungstechnik Gmbh Sieb
US9023456B2 (en) 2011-03-18 2015-05-05 Bilfinger Water Technologies, Inc. Profiled wire screen for process flow and other applications
BE1020768A3 (nl) * 2012-06-29 2014-04-01 Unislot Nv Aangepaste profieldraad voor filterelementen.
WO2016059292A1 (en) 2014-10-14 2016-04-21 Aikawa Fiber Technologies Oy A screen cylinder
EP3317028A4 (de) * 2015-06-30 2019-06-26 Aqseptence Group, Inc. Trommelsiebklemmvorrichtung
CN107670356A (zh) * 2017-11-03 2018-02-09 绥阳县双龙纸业有限公司 一种用于纸浆的过滤装置
DE102017127562A1 (de) * 2017-11-22 2019-05-23 Voith Patent Gmbh Sieb
DE102017129752A1 (de) * 2017-12-13 2019-06-13 Voith Patent Gmbh Siebherstellverfahren
US11846070B2 (en) 2019-08-16 2023-12-19 Aikawa Fiber Technologies Oy Screen cylinder
FI20195686A1 (en) 2019-08-16 2021-02-17 Aikawa Fiber Tech Oy SILTRUMMA
DE102019128878B3 (de) * 2019-10-25 2020-07-30 Voith Patent Gmbh Siebzylinder
CN111069032B (zh) * 2020-01-14 2021-04-20 河北省环保产品质量监督检验研究院 实验室用土壤筛分仪
CN112191023A (zh) * 2020-11-02 2021-01-08 石家庄天诚特种设备有限公司 一种工业条缝筛网及其激光加工工艺
DE102022112037A1 (de) 2021-06-15 2022-12-15 Andritz Fiedler Gmbh Profilstabanordnung
WO2022263093A1 (de) 2021-06-15 2022-12-22 Andritz Fiedler Gmbh Profilstabanordnung

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GB154612A (en) * 1919-12-01 1921-08-25 Ladislas Penkala Improvements in straining filters
US1527404A (en) * 1920-02-13 1925-02-24 Lucius A Haller Sifting and mixing machine
FR552950A (fr) * 1922-06-15 1923-05-09 Procédé pour la production de surfaces à capillarité augmentée
FR672494A (fr) * 1928-04-12 1929-12-28 Louis Herrmann Tamis pour le tamisage fin ou le filtrage
US1988402A (en) * 1932-11-14 1935-01-15 Charles Walmsley And Company L Reticulate drum or cylinder of paper making and like machines
US2488009A (en) * 1948-03-01 1949-11-15 Edward F Goebel Fuel oil filter
FR1055784A (fr) * 1950-06-30 1954-02-22 Buss Ag Appareil à fentes et couteaux pour le traitement des liquides
US2747741A (en) * 1952-08-21 1956-05-29 Gulf Research Development Co Device for continuous removal of solids from fluids
US2803172A (en) * 1953-01-16 1957-08-20 Trotman William Edwin Knowles Cylinder machine mold
US2707905A (en) * 1953-04-01 1955-05-10 Wilfred F Mathewson Pulp screen
FR1118891A (fr) * 1955-01-06 1956-06-12 Ossature de support pour appareil servant à la fabrication de papier et de carton imprégnés d'une matière de charge
FR1271262A (fr) * 1960-07-29 1961-09-08 Olier Sa Ets A Cage perfectionnée pour presse d'extraction d'un liquide notamment de l'huile des olives
US3308594A (en) * 1963-06-10 1967-03-14 United States Steel Corp Slotted panel assembly
US3389451A (en) * 1965-12-20 1968-06-25 Air Preheater Method of making an interlocking strip structure
BE723425A (de) * 1966-11-14 1969-04-16
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US3770129A (en) * 1972-05-15 1973-11-06 Harvey W Res Corp Manually flexible blood filter
US4155841A (en) * 1977-03-22 1979-05-22 The Black Clawson Company High turbulence screen
SE427124B (sv) * 1980-01-28 1983-03-07 Celleco Ab Anordning for silning av fibermassasuspensioner
US4410424A (en) * 1980-05-02 1983-10-18 The Black Clawson Company Screening apparatus for paper making stock
US4318805A (en) * 1980-09-29 1982-03-09 Bird Machine Company, Inc. Screening apparatus

Also Published As

Publication number Publication date
EP0187553B1 (de) 1989-01-25
FI78519C (fi) 1989-08-10
EP0182688B1 (de) 1988-06-01
FI854430A0 (fi) 1985-11-11
CA1265753A (en) 1990-02-13
ATE40299T1 (de) 1989-02-15
JPS61119792A (ja) 1986-06-06
DE3567812D1 (en) 1989-03-02
JPS61119793A (ja) 1986-06-06
JPH0653999B2 (ja) 1994-07-20
EP0187553A1 (de) 1986-07-16
ES296322Y (es) 1988-02-16
EP0182688A1 (de) 1986-05-28
FI854407L (fi) 1986-05-13
FR2572950B1 (fr) 1987-01-23
FR2572950A1 (fr) 1986-05-16
FI78520B (fi) 1989-04-28
FI854407A0 (fi) 1985-11-08
US4846971A (en) 1989-07-11
ES296317Y (es) 1988-02-16
FI78519B (fi) 1989-04-28
ES296322U (es) 1987-08-01
ES296317U (es) 1987-08-01
FI854430L (fi) 1986-05-13
FI78520C (fi) 1989-08-10
DE3562980D1 (en) 1988-07-07

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