EP1124002A3 - Screen for purification of fibrous pulp - Google Patents

Screen for purification of fibrous pulp Download PDF

Info

Publication number
EP1124002A3
EP1124002A3 EP01101567A EP01101567A EP1124002A3 EP 1124002 A3 EP1124002 A3 EP 1124002A3 EP 01101567 A EP01101567 A EP 01101567A EP 01101567 A EP01101567 A EP 01101567A EP 1124002 A3 EP1124002 A3 EP 1124002A3
Authority
EP
European Patent Office
Prior art keywords
screen
purification
fibrous pulp
pulp suspension
pulp
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.)
Granted
Application number
EP01101567A
Other languages
German (de)
French (fr)
Other versions
EP1124002B1 (en
EP1124002A2 (en
Inventor
Helmut Dipl. Ing. Dr. Gabl
Axel Dipl. Ing. Pichler
Alexander Dipl. Ing. Gscheider
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 AG
Original Assignee
Andritz AG
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=3652162&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1124002(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz AG filed Critical Andritz AG
Publication of EP1124002A2 publication Critical patent/EP1124002A2/en
Publication of EP1124002A3 publication Critical patent/EP1124002A3/en
Application granted granted Critical
Publication of EP1124002B1 publication Critical patent/EP1124002B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02Straining or screening the pulp
    • D21D5/023Stationary screen-drums
    • D21D5/026Stationary screen-drums with rotating cleaning foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

A screen for cleaning a pulp suspension including a cylindrical screen basket and a double-conical accept chamber which widens in the flow direction of the pulp suspension.
EP01101567A 2000-02-03 2001-01-25 Screen for purification of fibrous pulp Revoked EP1124002B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1632000 2000-02-03
AT0016300A AT408770B (en) 2000-02-03 2000-02-03 SORTER FOR CLEANING A FIBER SUSPENSION

Publications (3)

Publication Number Publication Date
EP1124002A2 EP1124002A2 (en) 2001-08-16
EP1124002A3 true EP1124002A3 (en) 2001-11-21
EP1124002B1 EP1124002B1 (en) 2005-03-09

Family

ID=3652162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01101567A Revoked EP1124002B1 (en) 2000-02-03 2001-01-25 Screen for purification of fibrous pulp

Country Status (9)

Country Link
US (1) US6499603B2 (en)
EP (1) EP1124002B1 (en)
CN (1) CN1180161C (en)
AT (2) AT408770B (en)
BR (1) BR0100351A (en)
CA (1) CA2333802A1 (en)
DE (1) DE50105500D1 (en)
ES (1) ES2238345T3 (en)
MX (1) MXPA01001292A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002083263A1 (en) * 2001-04-16 2002-10-24 J & L Fiber Services, Inc. Screen cylinder and method
DE10233364C1 (en) * 2002-07-23 2003-12-24 Voith Paper Patent Gmbh Pressure sorter for sieving a fiber suspension
AT413390B (en) 2003-03-27 2006-02-15 Andritz Ag Maschf SORTER FOR CLEANING A FIBER SUSPENSION
FI117867B (en) * 2004-12-10 2007-03-30 Metso Paper Inc Sorter and method for sorting the pulp
CN106079150A (en) * 2016-06-30 2016-11-09 重庆浩立塑胶有限公司 Feeding material choosing apparatus
CN108482960A (en) * 2018-04-25 2018-09-04 新乡市东振机械制造有限公司 A kind of screw conveyor with screening function
CN108606148A (en) * 2018-06-18 2018-10-02 张方富 A kind of preparation method and its device of pyrus nivalis apple oat soft sweets
CN109174627B (en) * 2018-10-29 2023-04-25 天津绿之本生物科技有限公司 Fertilizer screening machine
CN112845081B (en) * 2021-01-26 2022-09-06 衢州宝红建材有限公司 Multistage centrifugal screening equipment of gravel and sand edulcoration

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541979A1 (en) * 1991-10-31 1993-05-19 J.M. Voith GmbH Screening apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268381A (en) * 1979-05-03 1981-05-19 Uniweld Inc. Rotary pulp screening device of the vertical pressure type
FI82493C (en) * 1989-06-05 1991-03-11 Tampella Oy Ab pulper
IL91150A (en) * 1989-07-28 1991-05-12 Amrad Res & Dev Filter
US5096127A (en) * 1990-08-22 1992-03-17 Ingersoll-Rand Company Apparatus for pressurized screening of a fibrous material liquid suspension
EP0646199B1 (en) * 1992-06-20 1996-12-11 Hermann Finckh Maschinenfabrik GmbH & Co. Pressure sorter for fibre suspensions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541979A1 (en) * 1991-10-31 1993-05-19 J.M. Voith GmbH Screening apparatus

Also Published As

Publication number Publication date
ATA1632000A (en) 2001-07-15
US20010019025A1 (en) 2001-09-06
CN1310259A (en) 2001-08-29
CN1180161C (en) 2004-12-15
EP1124002B1 (en) 2005-03-09
EP1124002A2 (en) 2001-08-16
US6499603B2 (en) 2002-12-31
ATE290625T1 (en) 2005-03-15
CA2333802A1 (en) 2001-08-03
BR0100351A (en) 2001-10-02
ES2238345T3 (en) 2005-09-01
MXPA01001292A (en) 2005-08-16
DE50105500D1 (en) 2005-04-14
AT408770B (en) 2002-03-25

Similar Documents

Publication Publication Date Title
AU6100600A (en) Plasma treated electret filter media
AU2001280787A1 (en) Textile cleaning processes and apparatuses
AU2700395A (en) Electrostatic fibrous filter
AU2001247696A1 (en) Plasma treatment of filter media
ZA972037B (en) Paper pulp screen cylinder.
EP1124002A3 (en) Screen for purification of fibrous pulp
EP0930394A4 (en) Bulking agents for paper, high-bulkiness pulp sheets, and process for the production of the sheets
AU6665496A (en) Dewatering of aqueous suspensions
EP1122359A3 (en) Screen and method for manufacturing the same
AU4425796A (en) Microemulsion cleaners having decreased odor
AU2002358283A8 (en) Diaphragm suspension assembly for loudspeaker transducers
GB9520583D0 (en) Piezoelectric full-range loudspeaker
MXPA03000544A (en) Processes of reducing contamination from cellulosic suspensions.
AU2001231274A1 (en) Papermaking process and paper made therefrom
EP1122358A3 (en) Sorter for cleaning a fibre suspension
AU7587998A (en) Psa-promoted process for removing contaminants from paper pulp
AU7091798A (en) Screening apparatus with dilution liquid supply means
AU2001237364A1 (en) Acoustically effective fibrous material
ATA1702000A (en) SORTER FOR CLEANING A FIBER SUSPENSION
AU2001252300A1 (en) A method for controlling the delignification and bleaching of a pulp suspension
ATE253138T1 (en) SCREENING DEVICE WITH TWO SCREENING CHAMBERS FOR SEPARATING FIBER SUSPENSIONS
AU2002211094A1 (en) Washing and dewatering of suspensions
AU3196797A (en) Barrier for dewatering fibrous suspensions
AU4426299A (en) Pulp bleaching process with reduced barium scaling
GB0003758D0 (en) Conical loudspeaker diaphragm

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: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20020403

AKX Designation fees paid

Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AXX Extension fees paid

Free format text: SI PAYMENT 20020417

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): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: SI

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050309

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050309

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50105500

Country of ref document: DE

Date of ref document: 20050414

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050609

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050609

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20050616

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2238345

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050907

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

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

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060125

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

26 Opposition filed

Opponent name: METSO PAPER VALKEAKOSKI

Effective date: 20051208

ET Fr: translation filed
PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

BERE Be: lapsed

Owner name: ANDRITZ AG

Effective date: 20060131

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: METSO PAPER VALKEAKOSKI

Effective date: 20051208

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

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

Ref country code: SE

Payment date: 20080114

Year of fee payment: 8

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050309

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050309

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

Ref country code: ES

Payment date: 20090122

Year of fee payment: 9

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

Ref country code: GB

Payment date: 20090122

Year of fee payment: 9

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

Ref country code: IT

Payment date: 20090128

Year of fee payment: 9

EUG Se: european patent has lapsed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20090115

Year of fee payment: 9

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

Ref country code: DE

Payment date: 20100121

Year of fee payment: 10

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100125

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

Free format text: ORIGINAL CODE: 0009299OPPO

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100201

R26 Opposition filed (corrected)

Opponent name: METSO PAPER, INC.

Effective date: 20051208

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100125

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

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: 20101118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100125

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20110404

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090126

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

Ref country code: FI

Payment date: 20110113

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100126