FI47790B - - Google Patents
Info
- Publication number
- FI47790B FI47790B FI01120/69A FI112069A FI47790B FI 47790 B FI47790 B FI 47790B FI 01120/69 A FI01120/69 A FI 01120/69A FI 112069 A FI112069 A FI 112069A FI 47790 B FI47790 B FI 47790B
- Authority
- FI
- Finland
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73067268A | 1968-04-19 | 1968-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI47790B true FI47790B (en) | 1973-11-30 |
| FI47790C FI47790C (en) | 1974-03-11 |
Family
ID=24936333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI691120A FI47790C (en) | 1968-04-19 | 1969-04-17 | Horizontal centrifugal sorter for fiber stock. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3508651A (en) |
| FI (1) | FI47790C (en) |
| FR (1) | FR2006541A1 (en) |
| NO (1) | NO136209C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE358429B (en) * | 1969-06-10 | 1973-07-30 | Sunds Ab | |
| CA887765A (en) * | 1969-11-21 | 1971-12-07 | Cowan Ben | Pulp screening machine |
| NL7210202A (en) * | 1972-07-24 | 1974-01-28 | ||
| CA981215A (en) * | 1972-08-31 | 1976-01-06 | Highratio Screens Ltd. | Pulp stock pressure screen |
| US4268381A (en) * | 1979-05-03 | 1981-05-19 | Uniweld Inc. | Rotary pulp screening device of the vertical pressure type |
| US4851111A (en) * | 1985-08-09 | 1989-07-25 | The Black Clawson Company | Apparatus for screening paper fiber stock |
| US4697982A (en) * | 1986-03-13 | 1987-10-06 | Uniweld Inc. | Rotary pulp screen of the horizontal type having pulp stock feed at different axial positions on the screen |
| FI81136C (en) * | 1987-11-11 | 1990-09-10 | Ahlstroem Oy | Method and apparatus for treating pulp |
| US5119953A (en) * | 1990-04-02 | 1992-06-09 | Celleco Hedemora Ab | Pulp suspension screening and fractionation apparatus |
| US5839142A (en) * | 1996-07-09 | 1998-11-24 | Thermo Fibertek Inc. | Stock washer for washing, thickening and classifying solids |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR777123A (en) * | 1933-08-12 | 1935-02-12 | Voith Gmbh J M | Process of mechanical separation between mucilaginous material and fibrous material from pulp of wood or similar fibrous mixtures |
| US3081873A (en) * | 1960-11-16 | 1963-03-19 | Cowan Elijah | Pulp screen with internal dilution rotor |
| US3243041A (en) * | 1963-02-25 | 1966-03-29 | Cowan Ben | Horizontal pressure type pulp screen |
| US3245535A (en) * | 1963-05-23 | 1966-04-12 | Cowan Ben | Vertical pressure type pulp screen |
-
1968
- 1968-04-19 US US730672*A patent/US3508651A/en not_active Expired - Lifetime
-
1969
- 1969-04-17 NO NO1588/69A patent/NO136209C/en unknown
- 1969-04-17 FI FI691120A patent/FI47790C/en active
- 1969-04-18 FR FR6912168A patent/FR2006541A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2006541A1 (en) | 1969-12-26 |
| NO136209C (en) | 1977-08-03 |
| DE1920167A1 (en) | 1969-11-06 |
| US3508651A (en) | 1970-04-28 |
| NO136209B (en) | 1977-04-25 |
| FI47790C (en) | 1974-03-11 |