CA987263A - Inclined or vertical rotating grooved-rollers for separating knots from pulp - Google Patents
Inclined or vertical rotating grooved-rollers for separating knots from pulpInfo
- 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
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)
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 (en) |
JP (1) | JPS545004B2 (en) |
BR (1) | BR7400214D0 (en) |
CA (1) | CA987263A (en) |
FI (1) | FI56215C (en) |
FR (1) | FR2221577B1 (en) |
SE (1) | SE404209B (en) |
Families Citing this family (11)
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 (en) * | 1977-07-08 | 1979-12-12 | Borregaard As | PROCEDURE FOR THE PREPARATION OF SULFIT CELLULOSIS FROM BRANCH PULP |
DE2846941A1 (en) * | 1977-11-09 | 1979-10-04 | Rader Int Ab | DEVICE FOR THE SIZE DISTRIBUTION OF GRAIN OR PIECE-SHAPED MATERIAL |
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 |
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 |
SE9400616L (en) * | 1994-02-23 | 1995-01-23 | Kvaerner Pulping Tech | Handling of twig during continuous cooking |
DE10160603A1 (en) * | 2001-12-10 | 2003-06-26 | Voith Paper Patent Gmbh | Method for regulating sorting systems and sorting system suitable for carrying out this method |
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)
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 |
-
1973
- 1973-03-12 US US339759A patent/US3886035A/en not_active Expired - Lifetime
- 1973-08-22 JP JP9482673A patent/JPS545004B2/ja not_active Expired
- 1973-09-26 CA CA182,004A patent/CA987263A/en not_active Expired
- 1973-10-15 SE SE7313951A patent/SE404209B/en unknown
- 1973-10-15 FI FI3190/73A patent/FI56215C/en active
- 1973-11-20 FR FR7341302A patent/FR2221577B1/fr not_active Expired
-
1974
- 1974-01-14 BR BR74214A patent/BR7400214D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE404209B (en) | 1978-09-25 |
FR2221577A1 (en) | 1974-10-11 |
FR2221577B1 (en) | 1979-10-19 |
US3886035A (en) | 1975-05-27 |
JPS49117705A (en) | 1974-11-11 |
FI56215B (en) | 1979-08-31 |
JPS545004B2 (en) | 1979-03-13 |
BR7400214D0 (en) | 1974-11-05 |
FI56215C (en) | 1979-12-10 |
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