EP1882773B1 - Screen apparatus - Google Patents

Screen apparatus Download PDF

Info

Publication number
EP1882773B1
EP1882773B1 EP07112515A EP07112515A EP1882773B1 EP 1882773 B1 EP1882773 B1 EP 1882773B1 EP 07112515 A EP07112515 A EP 07112515A EP 07112515 A EP07112515 A EP 07112515A EP 1882773 B1 EP1882773 B1 EP 1882773B1
Authority
EP
European Patent Office
Prior art keywords
screen
paper
making material
convex portion
end portion
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.)
Revoked
Application number
EP07112515A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1882773A1 (en
Inventor
Aikawa Yoshihiko
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.)
Aikawa Iron Works Co Ltd
Original Assignee
Aikawa Iron Works Co Ltd
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=38654548&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1882773(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Aikawa Iron Works Co Ltd filed Critical Aikawa Iron Works Co Ltd
Publication of EP1882773A1 publication Critical patent/EP1882773A1/en
Application granted granted Critical
Publication of EP1882773B1 publication Critical patent/EP1882773B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • D21D5/023—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
    • 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
    • D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders

Definitions

  • the present invention relates to a screen apparatus according to the preamble portion of claim 1 for refining a paper-making material by feeding it outward of the screen from the inside thereof, and more particularly to a screen apparatus whose capacity for separating foreign matter from fibers in the paper-making material that are acceptable in the quality has been enhanced.
  • Patent document 1 Japanese Patent Application Laid-Open No.2004-137621 ( FIG. 1 )
  • EP 0 212 785 A1 discloses a screening apparatus for paper fiber stock of the type wherein a cylindrical perforate screen member (13) defines screening (15) and accepts (16) chambers on the inner and outer sides thereof in a closed housing (10), the inlet chamber (20) for stock to be screened is located below the screening chamber (15) to facilitate elimination of high specific gravity reject materials before the stock reaches the screening chamber.
  • baffles (40, 52) are also provided for preventing recirculation of such reject materials to the lower end of the screening chamber and thereby concentrating them in the reject chamber from which they are removed via outlet (56) and fed to a dewatering device that delivers essentially dry reject material for ready disposal.
  • the effectiveness and efficiency of the apparatus is further promoted by supplying water via an inlet (57) for washing fiber away from reject materials in the upper portion of the screening chamber and thereby increasing the overall yield of recovered fiber.
  • the present invention is defined in the present claim 1 and sets out to provide a screen apparatus which eliminates the problem described above.
  • a first aspect of the present invention provides a screen apparatus comprising :a sealed casing having a paper-making material supply port, a refined paper-making material discharge port positioned above the paper-making material supply port and a foreign matter discharge port positioned above the refined paper-making material discharge port; a screen for dividing the interior of the sealed casing into a first chamber and a second chamber and for separating foreign matter existing in the paper-making material, the screen being of a cylindrical shape and with end portions that are both open, the screen having circular holes or slit-like openings on a side face thereof and stood within the sealed casing in such a way that a direction of height thereof faces a vertical direction, both open end portions of the screen having an upper opening portion and a lower opening portion with the upper opening portion positioned below the foreign matter discharge port and the lower opening portion positioned above the paper-making material supply port; a paper-making material supply passage connected to the paper-making material supply port in order to supply paper-making material to a first chamber from a downward direction
  • a ring portion provided at a midway position on the screen, the screen being divided by the ring portion into an upstream screen portion and a downstream screen portion, the ring portion being provided with a dilution water introduction port for introducing dilution water into the first chamber; a dilution water passage provided via the sealed casing and connected to the dilution water introduction port; and an uneven portion provided on a side opposing a rotor of the ring portion, wherein a convex portion of the uneven portion is provided so as to project from an inside wall face of the screen, and the uneven portion has a front end portion of the convex portion and a rear end portion of the convex portion that relative to a vertical direction of the casing is positioned lower than the front end portion of the convex portion, and which front end portion is tilted in such a way that relative to a rotational direction of the rotor the front end portion of the convex portion is nearer the rear end
  • a ring portion provided at a midway position on the screen, the screen being divided by the ring portion into an upstream screen portion and a downstream side screen portion, the ring portion being provided with a dilution water introduction port for introducing dilution water into the first chamber; a dilution water passage provided via the sealed casing and connected to a dilution water introduction port; and an uneven portion provided on a side opposing a rotor of the ring portion,wherein a convex portion of the uneven portion is provided not to project from an inside wall face of the screen and the uneven portion has a front end portion of the convex portion and a rear end portion of the convex portion that relative to a vertical direction of the casing is positioned lower than the front end portion of the convex portion, and which front end portion is tilted in such a way that relative to a rotational direction of the rotor the front end portion of the convex portion is located nearer
  • the screen apparatus of the first aspect includes a water supply passage that is mounted on the sealed casing in such a way that a water spouting port opposes the top end face of the rotor, water colliding with the top end face of the rotor flows in a substantially horizontal direction, thereby hampering the flow of a paper-making material processing toward the refined paper-making material discharge port from the opening portion at the top of the screen.
  • this action forces back upstream of the first chamber fibers, which were flowing out to the foreign matter discharge port by reject sealing, thereby enhancing the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality contained in the paper-making material.
  • dilution water from the dilution water introduction port acts to hamper the flow of a paper-making material flowing downstream, thereby enhancing the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality contained in the paper-making material. Further, the paper-making material passes through the screen upstream and a paper-making material whose density has been intensified is diluted with dilution water so as to enhance the capacity of the screen apparatus for separating fibers of an acceptable quality.
  • the convex portion of an uneven portion provided on the side facing the rotor of the ring portion is tilted in such a way that relative to the rotational direction of the rotor a front end portion of the convex portion is positioned closer than the rear end portion of the convex portion. Consequently, pieces in the paper-making material that have not yet melted and that collide with the convex portion are not only separated but also brought back upstream of the paper-making material, thereby further enhancing the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality that are contained in the paper-making material.
  • dilution water from the dilution water introduction port acts to hamper the flow of a paper-making material flowing downstream, thereby enhancing the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality that are contained in paper-making material. Further, the paper-making material passes through the screen upstream and a paper-making material whose density has been intensified is diluted with dilution water so as to enhance the capacity of the screen apparatus for separating fibers of an acceptable quality.
  • the convex portion of the uneven portion provided on the side facing the rotor of the ring portion is tilted in such a way that relative to the rotational direction of the rotor a front end portion of the convex portion is positioned closer than the rear end portion of the convex portion. Consequently, pieces in the paper-making material that have not yet melted and that collide with the convex portion are not only separated but also brought back upstream of the paper-making material, thereby further enhancing the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality that are contained in the paper-making material.
  • symbol S denotes a screen apparatus that has a sealed-type casing 1 including a paper-making material supply port la, a refined paper-making material discharge port 1b located above the paper-making material supply port 1a, a foreign matter discharge port 1c located above this refined paper-making material discharge port 1b and a heavy foreign matter discharge port 1d.
  • This screen apparatus S is a so-called "outward type” screen apparatus (centrifugal type) which refines a paper-making material by feeding it outward from inside of the screen 2 in order to remove foreign matter (for example, plastics) contained in the paper-making material (for example, old newspapers and old corrugated board).
  • outward type screen apparatus centrifugal type
  • the interior of the sealed-type casing 1 is divided by a screen 2 into a first chamber 1A and a second chamber 1B.
  • This screen 2 is intended to separate foreign matter in the paper-making material.
  • the screen 2 is of a cylindrical shape, its end portions are both open, its side face has circular holes or slit-like opening portions and it is stood within the sealed casing 1 in such a way that the direction of its height faces a vertical direction.
  • Both open end portions of the screen 2 include an upper opening portion 2A and a lower opening portion 2B.
  • the upper opening portion 2A is located below the foreign matter discharge port 1c and the lower opening portion 2B is located above the paper-making material supply port 1a.
  • a ring portion provided midway on the screen 2
  • the screen 2 is divided into an upstream screen portion 21 and a downstream screen portion 22 by this ring portion R and the ring portion R has dilution water introduction ports R1 (for example, a plurality of) for purposes of introducing dilution water into the first chamber 1A.
  • Reference numeral 20 denotes a dilution water passage for introducing dilution water, a passage which is connected with the dilution water introduction port R1 and is provided via the sealed casing 1.
  • a face of the ring portion R that faces the rotor 7 includes convex portions RT that project from the face of the screen 2 and concave portions RO (see FIGS. 3 , 5 ).
  • a convex portion RT provided on a side facing the rotor 7 of the ring portion R in such a way that it projects from the face of the screen 2 has a front end portion X of the convex portion and a rear end portion Y of the convex portion that is positioned at a lower position relative to the vertical direction than the front end portion X of the convex portion, and that is tilted in such a way that relative to the rotational direction of the rotor 7 (see the direction of an arrow in FIG. 3 ) the front end portion X of the convex portion is positioned closer than the rear end portion Y of the convex portion.
  • the inclination angle is, for example, 3° and 45°.
  • the aforementioned convex portion RT and a concave portion RO could also be described as an uneven face provided on a side facing the rotor 7 of the ring portion R.
  • the convex portion RT of this uneven face is provided to project from the inner wall face of the screen 2 and has the front end portion X and a rear end portion Y that is positioned lower than the front end portion relative to the vertical direction of the casing 1.
  • the convex portion RT is tilted in such a way that relative to the rotational direction (see the direction of arrow in FIG. 3 ) of the rotor 7 the front end portion of the convex portion RT is located nearer the rear end portion Y of the convex portion RT.
  • Reference numeral 3 in FIG. 1 denotes a paper-making material supply passage which is connected to the paper-making material supply port 1a in order to supply a paper-making material to the first chamber 1A from a downward direction.
  • Reference numeral 4 denotes a refined paper-making material discharge passage connected to the refined paper-making material discharge port 1b in order to guide the refined paper-making material outside the sealed casing 1 via the screen 2.
  • Reference numeral 5 denotes a foreign matter discharge passage that is connected to the first chamber 1A and that is also connected to the heavy foreign matter discharge port 1c in order to guide foreign matter (for example, relatively light foreign matter) existing in the paper-making material and which does not pass through the screen 2 outside the sealed casing.
  • Reference numeral 6 denotes a heavy foreign matter discharge passage that is connected with the first chamber 1A and that is also connected to the heavy foreign matter discharge port 1d in order to guide relatively heavy foreign matter existing in the paper-making material and which does not pass through the screen 2 outside the sealed casing 1.
  • Reference numeral 7 denotes a rotor, which is disposed inside the screen 2 within the first chamber 1A and has on its outer periphery an agitating member 7a for agitating the paper-making material in the sealed casing 1.
  • the rotor 7 has an upstream portion 70 on the upstream side and a downstream portion 71 on the downstream side and agitating members 7a provided on the outer peripheries of the upstream portion 70 and of the downstream portion 71 are tilted.
  • the tilt is set in such a way that a bottom portion 7A of a substantially linear portion of the agitating member 7a advances more in the rotational direction of the rotor 7 than a top portion 7B.
  • Reference numeral 10 in FIG. 1 denotes a water supply passage provided on the sealed casing 1 in such a way that a water spouting port 10a opposes a top end face 7T (more preferably, in such a away that the water spouting port 10a opposes the center of the top end face 7T of the rotor 7).
  • paper-making material passes through the screen 2 upstream so that paper-making material whose density has been intensified is diluted by diluted water so as to intensify the effects of separating fibers of an acceptable quality. Further, pieces that have not yet melted and that are contained in the paper-making material collide with the convex portions RT provided on the side facing the rotor 7 of the ring portion R are forced back upstream of the paper-making material, thus enhancing the effects of separating foreign matter from fibers of an acceptable quality in the paper-making material.
  • the water spouting port 10a of the first water supply passage 10 provided on the sealed casing 1 opposes the top end face 7T of the rotor 7 downstream of the screen 2 within the first chamber 1A, water colliding with the center of the top end face 7T of the rotor 7 flows in a substantially horizontal direction so as to hamper the flow of the paper-making material proceeding toward the foreign matter discharge port 1c from the opening portion 2A above the screen 2. In other words, this action forces back upstream of the first chamber 1A fibers, which were flowing out to the foreign matter discharge port 1cby reject sealing, thereby enhancing the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality in the paper-making material.
  • the foreign matter discharge passage 5 and the heavy foreign matter discharge passage 6 are appropriately adjusted in degrees of opening, or are opened or closed, by valves (not shown) for opening and closing the passages so as to guide foreign matter deposited within the first chamber 1A out of the sealed casing 1.
  • an end portion of the lower portion 7A of the agitating member 7a on the downstream side is extended up to a position opposing the dilution water introduction port R1 (see FIG. 1 )
  • the present invention need not restricted and, as shown in FIG. 6 , it is permissible to eliminate the portion of the agitating member 7a that opposes the dilution water introduction port R1.
  • the top end face 7T of the rotor 7 is formed on a flat surface (see FIG. 1 )
  • the present invention need not be restricted to this example, and it is permissible to provide projections (scraping blades) 7Z, as shown in FIGS.
  • the arrow shown in FIG. 7 indicates the rotational direction of the rotor 7. It is permissible to provide a guide G for guiding water from the water spouting port 10a around the water spouting port 10a so as to guide water from the water spouting port 10a to the vicinity of the projections (scraping blades) 7Z so that the face of the guide G opposes the top end face 7T of the rotor 7.
  • an opening width W in the circumferential direction of the ring portion R of the concave portion R0 shown in FIG. 5 is set so as to be less than the length L of the flat face in the circumferential direction of the ring portion R of the convex portion RT
  • the present invention is not restricted to this example.
  • the opening width W in the circumferential direction of the ring portion R of the concave portion R0 may also be set so as to be greater than the length L of the flat face in the circumferential direction of the ring portion R of the convex portion RT.
  • the convex portion RT is provided so as to project from the face of the screen 2 to the side facing the rotor 7 of the ring portion R
  • the present invention need not be restricted to this example.
  • the convex portion RT of the uneven face may also be provided on the side facing the rotor 7 of the ring portion R in such a way that it does not project from the inside wall face of the screen 2. Because the type shown in FIGS. 11 , 12 is the same as the one described in FIGS. 3-5 , except that the convex portion RT is not projected from the face (inside wall) of the screen 2, identical reference numerals have been attached to the same components as those described in FIGS.
  • the convex portion RT has a front end portion X of the uneven portion and a rear end portion Y which relative to the vertical direction of the casing 1 is positioned at a position lower than the front end portion X of the convex portion RT and is tilted in such a way that relative to the rotational direction of the rotor 7 (see the direction of an arrow shown in FIG. 12(b) ) the front end portion X of the convex portion RT is nearer than the rear end portion Y of the convex portion RT.
  • a concave portion RO is located between adjoining convex portions RT and a plurality of each of the convex portions RT and of the concave portions RO are provided on the ring portion R.
  • the convex portion RT described in FIGS. 11 , 12 can enhance the capacity of the screen apparatus for separating foreign matter from fibers of an acceptable quality in paper-making material like the convex portion RT described in FIGS. 3-5 , because pieces that have not yet melted and that are in the paper-making material collide with the convex portion RT are not only separated but also brought back upstream of the paper-making material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
EP07112515A 2006-07-24 2007-07-16 Screen apparatus Revoked EP1882773B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006200886 2006-07-24
JP2006260606A JP4909693B2 (ja) 2006-07-24 2006-09-26 スクリーン装置

Publications (2)

Publication Number Publication Date
EP1882773A1 EP1882773A1 (en) 2008-01-30
EP1882773B1 true EP1882773B1 (en) 2011-12-28

Family

ID=38654548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07112515A Revoked EP1882773B1 (en) 2006-07-24 2007-07-16 Screen apparatus

Country Status (8)

Country Link
US (1) US20080017342A1 (ja)
EP (1) EP1882773B1 (ja)
JP (1) JP4909693B2 (ja)
KR (1) KR101297124B1 (ja)
CN (1) CN101113579B (ja)
CA (1) CA2593807A1 (ja)
ES (1) ES2376903T3 (ja)
TW (1) TW200813294A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104233896B (zh) * 2014-09-02 2016-07-06 郑州运达造纸设备有限公司 一种用于压力筛的稀释装置
CA2895789A1 (en) 2014-11-21 2016-05-21 Aikawa Iron Works Co., Ltd. Papermaking strainer, foreign material separation apparatus for papermaking, and manufacturing method of papermaking strainer
JPWO2016152895A1 (ja) * 2015-03-24 2018-01-18 エム・テクニック株式会社 攪拌機
JP6517675B2 (ja) * 2015-12-02 2019-05-22 相川鉄工株式会社 製紙用スクリ−ン装置
KR101771371B1 (ko) 2016-12-26 2017-08-24 나성주 제지 원료 정선을 위한 스크린 머신, 스크린 머신용 케이싱 바디 및 스크린 바스켓

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437204A (en) * 1965-12-27 1969-04-08 Bird Machine Co Screening apparatus
US3586172A (en) * 1968-04-16 1971-06-22 Ingersoll Rand Canada Screening apparatus
FI67589C (fi) * 1983-10-25 1985-04-10 Ahlstroem Oy Sorterare med separering av laett rejekt
CA1288732C (en) * 1985-08-09 1991-09-10 Christian Sauzedde Apparatus for screening paper fiber stock
FI76139C (fi) * 1987-01-19 1988-09-09 Ahlstroem Oy Foerfarande och anordning foer kvistseparering.
JPH0460594A (ja) * 1990-06-29 1992-02-26 Yamaha Corp 弦楽器
US5096127A (en) * 1990-08-22 1992-03-17 Ingersoll-Rand Company Apparatus for pressurized screening of a fibrous material liquid suspension
JP3065202B2 (ja) * 1993-10-20 2000-07-17 石川島播磨重工業株式会社 古紙パルプの選別方法および装置
JP4048258B2 (ja) * 1998-02-03 2008-02-20 株式会社Ｉｈｉ 古紙パルプの選別装置
FR2790270B1 (fr) * 1999-02-26 2001-11-16 Lamort E & M Procedes et moyens pour la filtration de la pate a papier
JP3443361B2 (ja) * 1999-04-23 2003-09-02 相川鉄工株式会社 スクリーン装置
JP4015527B2 (ja) * 2002-10-16 2007-11-28 相川鉄工株式会社 スクリ−ン装置
JP2005171449A (ja) * 2003-12-15 2005-06-30 Aikawa Iron Works Co Ltd 製紙用スクリ−ン装置
JP2006089874A (ja) * 2004-09-24 2006-04-06 Aikawa Iron Works Co Ltd スクリーン装置
JP2006169662A (ja) * 2004-12-15 2006-06-29 Aikawa Iron Works Co Ltd スクリーン装置

Also Published As

Publication number Publication date
ES2376903T3 (es) 2012-03-20
CA2593807A1 (en) 2008-01-24
CN101113579A (zh) 2008-01-30
KR20080009634A (ko) 2008-01-29
EP1882773A1 (en) 2008-01-30
US20080017342A1 (en) 2008-01-24
KR101297124B1 (ko) 2013-08-21
TW200813294A (en) 2008-03-16
CN101113579B (zh) 2012-07-11
JP2008050738A (ja) 2008-03-06
JP4909693B2 (ja) 2012-04-04

Similar Documents

Publication Publication Date Title
US3912622A (en) Screening machine with lights removal
KR0166984B1 (ko) 폐지 펄프 선별 방법 및 장치
US4043919A (en) Pressure screen with turbulence chamber means
EP1882773B1 (en) Screen apparatus
US8025772B2 (en) Method for degassing and supplying a fibrous suspension to a headbox or a filter device and degassing device
CA2024875C (en) Flotation machine for deinking
US4634059A (en) Method and device for emptying suspension from a pulper
EP0142054B1 (en) Screening apparatus with light reject removal
KR20120099137A (ko) 섬유 현탁액을 스크리닝하기 위한 방법 및 스크리닝 디바이스
US5078859A (en) Stock screening apparatus
US6206204B1 (en) Screen apparatus
CA2272616C (en) Screen apparatus for papermaking material
JP2007254901A (ja) スクリーン装置
US5143220A (en) Apparatus for screening to remove knots from a fluid borne slurry of fibers and knots
US4346007A (en) Method at screening apparatus for cleaning the apertures in a screen plate and device for carrying out the method
WO2012004887A1 (ja) スクリーン装置
JP4064204B2 (ja) スクリ−ン装置
US20040035761A1 (en) Pressurized screen for screening a fibrous suspension
JP2011038221A (ja) ドラム式濾過装置及びこれを用いた紙料再生システム
CA2511138A1 (en) Pressurized screen for screening a fibrous suspension
WO2004046457A1 (en) Method and apparatus for treating fiber suspension
KR960004537B1 (ko) 제지용 분리해체겸 제진장치
CA2027564A1 (en) Appliance for sorting and deflaking fibre suspensions
JPH08164346A (ja) 製紙用分離装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

17P Request for examination filed

Effective date: 20071227

17Q First examination report despatched

Effective date: 20080310

AKX Designation fees paid

Designated state(s): DE ES FR GB IT

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602007019641

Country of ref document: DE

Effective date: 20120308

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2376903

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20120320

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: METSO PAPER SWEDEN AB

Effective date: 20120818

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

26 Opposition filed

Opponent name: ANDRITZ FIEDLER GMBH & CO.

Effective date: 20120927

Opponent name: METSO PAPER SWEDEN AB

Effective date: 20120818

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 602007019641

Country of ref document: DE

Effective date: 20120818

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: VALMET AB

Effective date: 20120818

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20140721

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20140728

Year of fee payment: 8

Ref country code: FR

Payment date: 20140721

Year of fee payment: 8

Ref country code: GB

Payment date: 20140721

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20140731

Year of fee payment: 8

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

REG Reference to a national code

Ref country code: DE

Ref legal event code: R103

Ref document number: 602007019641

Country of ref document: DE

Ref country code: DE

Ref legal event code: R064

Ref document number: 602007019641

Country of ref document: DE

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT REVOKED

27W Patent revoked

Effective date: 20150314

GBPR Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting state

Effective date: 20150314

REG Reference to a national code

Ref country code: DE

Ref legal event code: R107

Ref document number: 602007019641

Country of ref document: DE