CA974936A - Directionally biassed slotted screening system with rotational velocity generator - Google Patents

Directionally biassed slotted screening system with rotational velocity generator

Info

Publication number
CA974936A
CA974936A CA179,424A CA179424A CA974936A CA 974936 A CA974936 A CA 974936A CA 179424 A CA179424 A CA 179424A CA 974936 A CA974936 A CA 974936A
Authority
CA
Canada
Prior art keywords
biassed
directionally
rotational velocity
screening system
velocity generator
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.)
Expired
Application number
CA179,424A
Other languages
English (en)
Other versions
CA179424S (en
Inventor
Peter Seifert
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.)
Black Clawson Co
Original Assignee
Black Clawson Co
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 Black Clawson Co filed Critical Black Clawson Co
Application granted granted Critical
Publication of CA974936A publication Critical patent/CA974936A/en
Expired 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
    • D21D5/06—Rotary screen-drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Filtration Of Liquid (AREA)
CA179,424A 1972-09-12 1973-08-22 Directionally biassed slotted screening system with rotational velocity generator Expired CA974936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00288288A US3849302A (en) 1972-09-12 1972-09-12 Method and apparatus for screening paper fiber stock

Publications (1)

Publication Number Publication Date
CA974936A true CA974936A (en) 1975-09-23

Family

ID=23106498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,424A Expired CA974936A (en) 1972-09-12 1973-08-22 Directionally biassed slotted screening system with rotational velocity generator

Country Status (11)

Country Link
US (1) US3849302A (fi)
JP (1) JPS5614793B2 (fi)
AR (1) AR205974A1 (fi)
BR (1) BR7306587D0 (fi)
CA (1) CA974936A (fi)
DE (1) DE2345148A1 (fi)
FI (1) FI56217C (fi)
FR (1) FR2199033B1 (fi)
IT (1) IT994756B (fi)
SE (1) SE402137B (fi)
ZA (1) ZA734864B (fi)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA981215A (en) * 1972-08-31 1976-01-06 Highratio Screens Ltd. Pulp stock pressure screen
US3947314A (en) * 1974-04-29 1976-03-30 The Black Clawson Company Method of treating paper fibers in a stationary screen
US4105543A (en) * 1974-08-09 1978-08-08 The Black Clawson Company Method for screening paper fiber stock
US4155841A (en) * 1977-03-22 1979-05-22 The Black Clawson Company High turbulence screen
US4178246A (en) * 1977-05-31 1979-12-11 Max Klein Separator for discrete solids from liquids
US4383918A (en) * 1980-05-02 1983-05-17 The Black Clawson Company High turbulence screen
US4410424A (en) * 1980-05-02 1983-10-18 The Black Clawson Company Screening apparatus for paper making stock
US4276159A (en) * 1980-06-19 1981-06-30 The Black Clawson Company Apparatus for screening paper fiber stock
DE3368957D1 (en) * 1983-01-21 1987-02-12 Black Clawson Co Screening apparatus for paper making stock
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
US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
US4919797A (en) * 1989-02-09 1990-04-24 The Black Clawson Company Screening apparatus for paper making stock
FI82496C (fi) * 1989-06-05 1991-03-11 Tampella Oy Ab Foerfarande foer reglering av trycksil och trycksil.
JPH0253681A (ja) * 1989-06-23 1990-02-22 Yamaha Motor Co Ltd 自動二輪車のカウリング装置
US5186332A (en) * 1991-06-14 1993-02-16 The Black Clawson Company Paper stock screening apparatus having heavy rejects trap
US5385240A (en) * 1993-04-30 1995-01-31 The Black Clawson Company Screening apparatus with adjustable hydrofoil portion
CA2158522C (en) * 1994-09-19 2001-04-10 Daniel R. Roll Mixer for mixing multi-phase fluids
US6053439A (en) * 1996-12-16 2000-04-25 Inland Paperboard And Packaging, Inc. Reducing wax content and enhancing quality of recycled pulp from OCC and waste paper
DE10217926A1 (de) * 2002-04-23 2003-11-13 Voith Paper Patent Gmbh Verfahren zum Nasssieben von Faserstoffsuspensionen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975899A (en) * 1957-04-16 1961-03-21 Bird Machine Co Screening device
US3029951A (en) * 1958-09-24 1962-04-17 Bird Machine Co Screening device
US3255883A (en) * 1963-02-18 1966-06-14 Bird Machine Co Pulp screen with discharge receptacle
FR1449956A (fr) * 1965-09-02 1966-05-06 Finckh Metalltuch Maschf Classeur pour suspension de pâte à papier
US3533505A (en) * 1967-05-11 1970-10-13 Bird Machine Co Screening apparatus
FR1546515A (fr) * 1967-06-14 1968-11-22 Lamort E & M Appareil pour l'épuration de liquides contenant en suspension des matières solides telles que les pâtes à papier
FR1539846A (fr) * 1967-08-02 1968-09-20 E Et M Lamort Fils Ets Perfectionnement aux épurateurs notamment pour les pâtes à papier

Also Published As

Publication number Publication date
US3849302A (en) 1974-11-19
JPS4962704A (fi) 1974-06-18
BR7306587D0 (pt) 1974-06-27
ZA734864B (en) 1974-06-26
FR2199033A1 (fi) 1974-04-05
JPS5614793B2 (fi) 1981-04-06
IT994756B (it) 1975-10-20
FI56217C (fi) 1979-12-10
FR2199033B1 (fi) 1977-05-13
AR205974A1 (es) 1976-06-23
SE402137B (sv) 1978-06-19
DE2345148A1 (de) 1974-03-21
AU5887273A (en) 1975-02-06
FI56217B (fi) 1979-08-31

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