IT1073662B - Perfezionamento negli apparecchi di vagliatura - Google Patents
Perfezionamento negli apparecchi di vagliaturaInfo
- Publication number
- IT1073662B IT1073662B IT50834/76A IT5083476A IT1073662B IT 1073662 B IT1073662 B IT 1073662B IT 50834/76 A IT50834/76 A IT 50834/76A IT 5083476 A IT5083476 A IT 5083476A IT 1073662 B IT1073662 B IT 1073662B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- screening apparatus
- screening
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/20—Stationary drums with moving interior agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Filtration Of Liquid (AREA)
- Combined Means For Separation Of Solids (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/603,304 US4017387A (en) | 1975-08-11 | 1975-08-11 | Screening apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1073662B true IT1073662B (it) | 1985-04-17 |
Family
ID=24414866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50834/76A IT1073662B (it) | 1975-08-11 | 1976-08-10 | Perfezionamento negli apparecchi di vagliatura |
Country Status (11)
Country | Link |
---|---|
US (1) | US4017387A (it) |
JP (1) | JPS5237808A (it) |
BR (1) | BR7605234A (it) |
CA (1) | CA1086237A (it) |
DE (1) | DE2635868A1 (it) |
ES (1) | ES450618A1 (it) |
FI (1) | FI762295A (it) |
FR (1) | FR2323459A1 (it) |
GB (1) | GB1497016A (it) |
IT (1) | IT1073662B (it) |
SE (1) | SE425109B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166028A (en) * | 1976-05-20 | 1979-08-28 | The Black Clawson Company | Apparatus for screening paper fiber stock |
FI57986C (fi) * | 1979-02-28 | 1980-11-10 | Ahlstroem Oy | Siltrumma och saett att tillverka denna |
US4410424A (en) * | 1980-05-02 | 1983-10-18 | The Black Clawson Company | Screening apparatus for paper making stock |
DE3607457A1 (de) * | 1986-03-07 | 1987-09-10 | Voith Gmbh J M | Sortiersieb |
FI76139C (fi) * | 1987-01-19 | 1988-09-09 | Ahlstroem Oy | Foerfarande och anordning foer kvistseparering. |
US5064537A (en) * | 1987-04-16 | 1991-11-12 | The Black Clawson Company | Seamless screen cylinder with laser cut openings |
KR950000040Y1 (ko) * | 1990-02-21 | 1995-01-07 | 가부시기가이샤 사토미 세이사쿠쇼 | 지료정선장치(紙料精選裝置) |
US5200072A (en) * | 1990-08-16 | 1993-04-06 | Ahlstrom Screen Plates Inc. | Screen plates and methods of manufacture |
FR2675520A1 (fr) * | 1991-04-17 | 1992-10-23 | Lamort Em | Tamis pour epurateur et classificateur de pate a papier et son procede de realisation. |
SE500893C2 (sv) * | 1993-02-10 | 1994-09-26 | Sunds Defibrator Ind Ab | Trycksilanordning |
WO1995005248A1 (en) * | 1993-08-16 | 1995-02-23 | The Black Clawson Company | Slotted screen for paper stock |
US6138375A (en) * | 1999-03-01 | 2000-10-31 | Gala Industries, Inc. | Support ring for pellet dryer screen |
US20130146547A1 (en) * | 2011-12-07 | 2013-06-13 | Andritz Inc. | Screen basket having diagonal slots for top separator of a digester |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2820549A (en) * | 1955-04-18 | 1958-01-21 | Belke Mfg Co | Filters |
FR77314E (fr) * | 1959-12-01 | 1962-02-16 | Cie Constr Gros Mat Electromec | Perfectionnement aux filtres spiralés |
US3229815A (en) * | 1961-12-05 | 1966-01-18 | Wilfred F Mathewson | Pulp screen or filter |
US3456793A (en) * | 1966-01-24 | 1969-07-22 | Beloit Corp | Dual pressure stock screen |
US3458038A (en) * | 1966-06-02 | 1969-07-29 | Ingersoll Rand Canada | Screening apparatus |
US3511374A (en) * | 1968-11-01 | 1970-05-12 | California & Hawaiian Sugar Co | Screening device |
US3631981A (en) * | 1969-02-06 | 1972-01-04 | Ingersoll Rand Canada | Blotted pulp screen |
US3726401A (en) * | 1970-12-16 | 1973-04-10 | Bird Machine Co | Screening machine |
US3825123A (en) * | 1972-08-10 | 1974-07-23 | A 1 Eng | Injection molding filter |
-
1975
- 1975-08-11 US US05/603,304 patent/US4017387A/en not_active Expired - Lifetime
-
1976
- 1976-08-06 CA CA258,610A patent/CA1086237A/en not_active Expired
- 1976-08-10 BR BR7605234A patent/BR7605234A/pt unknown
- 1976-08-10 FI FI762295A patent/FI762295A/fi not_active Application Discontinuation
- 1976-08-10 IT IT50834/76A patent/IT1073662B/it active
- 1976-08-10 DE DE19762635868 patent/DE2635868A1/de not_active Withdrawn
- 1976-08-10 FR FR7624445A patent/FR2323459A1/fr active Granted
- 1976-08-11 ES ES450618A patent/ES450618A1/es not_active Expired
- 1976-08-11 SE SE7608955A patent/SE425109B/xx unknown
- 1976-08-11 GB GB33430/76A patent/GB1497016A/en not_active Expired
- 1976-08-11 JP JP51095921A patent/JPS5237808A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES450618A1 (es) | 1977-08-01 |
BR7605234A (pt) | 1977-08-09 |
SE425109B (sv) | 1982-08-30 |
GB1497016A (en) | 1978-01-05 |
SE7608955L (sv) | 1977-02-12 |
JPS5237808A (en) | 1977-03-24 |
US4017387A (en) | 1977-04-12 |
DE2635868A1 (de) | 1977-02-24 |
FI762295A (it) | 1977-02-12 |
FR2323459A1 (fr) | 1977-04-08 |
CA1086237A (en) | 1980-09-23 |
FR2323459B1 (it) | 1982-05-07 |
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