CA987263A - Inclined or vertical rotating grooved-rollers for separating knots from pulp - Google Patents

Inclined or vertical rotating grooved-rollers for separating knots from pulp

Info

Publication number
CA987263A
CA987263A CA182,004A CA182004A CA987263A CA 987263 A CA987263 A CA 987263A CA 182004 A CA182004 A CA 182004A CA 987263 A CA987263 A CA 987263A
Authority
CA
Canada
Prior art keywords
pulp
rollers
vertical rotating
rotating grooved
knots
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
CA182,004A
Other languages
English (en)
Other versions
CA182004S (en
Inventor
Oliver A. Laakso
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Priority to CA238,375A priority Critical patent/CA1010406A/en
Application granted granted Critical
Publication of CA987263A publication Critical patent/CA987263A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
CA182,004A 1973-03-12 1973-09-26 Inclined or vertical rotating grooved-rollers for separating knots from pulp Expired CA987263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA238,375A CA1010406A (en) 1973-03-12 1975-10-27 Process for separating knots from pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US339759A US3886035A (en) 1973-03-12 1973-03-12 Process for separating knots from pulp

Publications (1)

Publication Number Publication Date
CA987263A true CA987263A (en) 1976-04-13

Family

ID=23330457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,004A Expired CA987263A (en) 1973-03-12 1973-09-26 Inclined or vertical rotating grooved-rollers for separating knots from pulp

Country Status (7)

Country Link
US (1) US3886035A (it)
JP (1) JPS545004B2 (it)
BR (1) BR7400214D0 (it)
CA (1) CA987263A (it)
FI (1) FI56215C (it)
FR (1) FR2221577B1 (it)
SE (1) SE404209B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014736A (en) * 1974-12-17 1977-03-29 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
US4046621A (en) * 1974-12-17 1977-09-06 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
NO140936C (no) * 1977-07-08 1979-12-12 Borregaard As Fremgangsmaate ved fremstilling av sulfittcellulose fra kvistmasse
DE2846941A1 (de) * 1977-11-09 1979-10-04 Rader Int Ab Vorrichtung zur groessenaufteilung von korn- oder stueckfoermigem material
USRE32182E (en) * 1981-03-23 1986-06-17 International Paper Co. Method for screening, separating, and removing fiber bundles, lumps, knots and foreign matter from aqueous dispersions used in forming non-woven fabrics by wet-laying
US4466862A (en) * 1981-03-23 1984-08-21 International Paper Company Method for screening, separating, and removing fiber bundles, lumps, knots and foreign matter from aqueous dispersions used in forming non-woven fabrics by wet-laying
SE501369C2 (sv) * 1994-02-23 1995-01-23 Kvaerner Pulping Tech Omhändertagande av kvist vid kontinuerlig kokning
DE10160603A1 (de) * 2001-12-10 2003-06-26 Voith Paper Patent Gmbh Verfahren zur Regelung von Sortiersystemen sowie zur Durchführung dieses Verfahrens geeignetes Sortiersystem
US20070045157A1 (en) * 2005-08-29 2007-03-01 Kajzer Wieslaw C Recovery of pin chips from a chip washing reject stream
WO2011102760A1 (en) * 2010-02-17 2011-08-25 Metso Paper Sweden Ab Method and system for recycling of rejects in a process for cooking chemical pulp
US9580864B2 (en) * 2011-08-30 2017-02-28 Valmet Ab Kraft cooking method using polysulfide cooking liquor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US553945A (en) * 1896-02-04 Paper pulp
US1275299A (en) * 1918-05-06 1918-08-13 Adam Pellerin Bull-screen cleaner.
US2707905A (en) * 1953-04-01 1955-05-10 Wilfred F Mathewson Pulp screen
US3219187A (en) * 1961-06-16 1965-11-23 Kamyr Ab Apparatus for the classification of finely divided materials

Also Published As

Publication number Publication date
FI56215C (fi) 1979-12-10
SE404209B (sv) 1978-09-25
FR2221577A1 (it) 1974-10-11
US3886035A (en) 1975-05-27
JPS545004B2 (it) 1979-03-13
JPS49117705A (it) 1974-11-11
FR2221577B1 (it) 1979-10-19
FI56215B (fi) 1979-08-31
BR7400214D0 (pt) 1974-11-05

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