EP0294832A3 - Pulp screening apparatus - Google Patents

Pulp screening apparatus Download PDF

Info

Publication number
EP0294832A3
EP0294832A3 EP88109280A EP88109280A EP0294832A3 EP 0294832 A3 EP0294832 A3 EP 0294832A3 EP 88109280 A EP88109280 A EP 88109280A EP 88109280 A EP88109280 A EP 88109280A EP 0294832 A3 EP0294832 A3 EP 0294832A3
Authority
EP
European Patent Office
Prior art keywords
screening apparatus
pulp screening
pulp
screening
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
EP88109280A
Other versions
EP0294832B1 (en
EP0294832A2 (en
Inventor
Frey Frejborg
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.)
Ahlstrom Corp
Original Assignee
Ahlstrom Corp
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
Priority claimed from US07/061,594 external-priority patent/US4880540A/en
Application filed by Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of EP0294832A2 publication Critical patent/EP0294832A2/en
Publication of EP0294832A3 publication Critical patent/EP0294832A3/en
Application granted granted Critical
Publication of EP0294832B1 publication Critical patent/EP0294832B1/en
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
    • D21D5/023—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
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Combined Means For Separation Of Solids (AREA)
EP88109280A 1987-06-11 1988-06-10 Pulp screening apparatus Expired - Lifetime EP0294832B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61594 1979-07-30
US07/061,594 US4880540A (en) 1983-01-26 1987-06-11 Pulp screening apparatus

Publications (3)

Publication Number Publication Date
EP0294832A2 EP0294832A2 (en) 1988-12-14
EP0294832A3 true EP0294832A3 (en) 1989-03-08
EP0294832B1 EP0294832B1 (en) 1991-04-17

Family

ID=22036818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88109280A Expired - Lifetime EP0294832B1 (en) 1987-06-11 1988-06-10 Pulp screening apparatus

Country Status (5)

Country Link
EP (1) EP0294832B1 (en)
BR (1) BR8807561A (en)
DE (2) DE294832T1 (en)
FI (1) FI882569A (en)
WO (1) WO1988009843A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91171C (en) * 1989-03-02 1994-05-25 Ahlstroem Oy Method and apparatus for precipitating fiber suspension
WO1991005911A1 (en) * 1989-10-23 1991-05-02 Beloit Corporation Basket profile for screens
US5200072A (en) 1990-08-16 1993-04-06 Ahlstrom Screen Plates Inc. Screen plates and methods of manufacture
CA2210877C (en) * 1995-02-03 1999-12-21 Hermann Finckh Maschinenfabrik Gmbh & Co. Fibre suspension pressure sorting machine and sieve for such pressure sorting machines
SE504657C2 (en) * 1995-07-03 1997-03-24 Sunds Defibrator Ind Ab sealing device
ES2155410B1 (en) * 1999-08-24 2001-12-01 Perez Ernesto Pastor PAPER PASTE CLEANER.
FI20022055A (en) * 2002-11-19 2004-05-20 Advanced Fiber Tech Aft Trust Method and apparatus for treating fiber suspension
EP1880054B1 (en) 2005-05-09 2014-10-15 Kadant Canada Corp. Screen basket with replaceable profiled bars
US8297445B2 (en) 2007-11-14 2012-10-30 Filtration Fibrewall Inc. Screen basket
FI121794B (en) * 2009-10-23 2011-04-15 Andritz Oy Device for treating fiber suspension

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1070451A (en) * 1964-04-29 1967-06-01 Ingersoll Rand Canada Screening apparatus
GB1118646A (en) * 1965-03-30 1968-07-03 Ingersoll Rand Canada Screening apparatus
FR2193638A1 (en) * 1972-07-24 1974-02-22 Nivoba Bv
US3939065A (en) * 1972-08-31 1976-02-17 Ahlfors S E E Screening device
FR2384889A1 (en) * 1977-03-23 1978-10-20 Finckh Maschf SCRUBBER-SORTER FOR THE SEPARATION OF FIBER SUSPENSIONS
EP0079811A1 (en) * 1981-11-18 1983-05-25 E. + M. Lamort Société Anonyme dite: Screening devices for paper stock, and their screens
US4529520A (en) * 1983-01-26 1985-07-16 A. Ahlstrom Osakeyhtio Screen plate
WO1986007105A1 (en) * 1985-05-29 1986-12-04 A. Ahlstrom Corporation A rotating element for a screening apparatus with a contour surface
EP0206975A2 (en) * 1985-06-20 1986-12-30 Beloit Corporation High consistency pressure screen and method of separating accepts and rejects

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3572928D1 (en) * 1984-12-25 1989-10-19 Mitsubishi Heavy Ind Ltd Pressure slit screen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1070451A (en) * 1964-04-29 1967-06-01 Ingersoll Rand Canada Screening apparatus
GB1118646A (en) * 1965-03-30 1968-07-03 Ingersoll Rand Canada Screening apparatus
FR2193638A1 (en) * 1972-07-24 1974-02-22 Nivoba Bv
US3939065A (en) * 1972-08-31 1976-02-17 Ahlfors S E E Screening device
FR2384889A1 (en) * 1977-03-23 1978-10-20 Finckh Maschf SCRUBBER-SORTER FOR THE SEPARATION OF FIBER SUSPENSIONS
EP0079811A1 (en) * 1981-11-18 1983-05-25 E. + M. Lamort Société Anonyme dite: Screening devices for paper stock, and their screens
US4529520A (en) * 1983-01-26 1985-07-16 A. Ahlstrom Osakeyhtio Screen plate
WO1986007105A1 (en) * 1985-05-29 1986-12-04 A. Ahlstrom Corporation A rotating element for a screening apparatus with a contour surface
EP0206975A2 (en) * 1985-06-20 1986-12-30 Beloit Corporation High consistency pressure screen and method of separating accepts and rejects

Also Published As

Publication number Publication date
WO1988009843A1 (en) 1988-12-15
DE294832T1 (en) 1989-07-13
FI882569A (en) 1988-12-12
EP0294832B1 (en) 1991-04-17
EP0294832A2 (en) 1988-12-14
DE3862433D1 (en) 1991-05-23
FI882569A0 (en) 1988-06-01
BR8807561A (en) 1990-04-17

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