FI47790C - Horizontal centrifugal sorter for fiber stock. - Google Patents

Horizontal centrifugal sorter for fiber stock.

Info

Publication number: FI47790C
Authority: FI; Finland
Prior art keywords: horizontal centrifugal; fiber stock; centrifugal sorter; sorter; stock
Prior art date: 1968-04-19

Application number

FI691120A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI47790B (en

Inventor

Hooper

Original Assignee

S W Hooper S A

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.)

1968-04-19

Filing date

1969-04-17

Publication date

1974-03-11

1969-04-17 Application filed by S W Hooper S A filed Critical S W Hooper S A

1973-11-30 Application granted granted Critical

1973-11-30 Publication of FI47790B publication Critical patent/FI47790B/fi

1974-03-11 Publication of FI47790C publication Critical patent/FI47790C/en

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)

FI691120A 1968-04-19 1969-04-17 Horizontal centrifugal sorter for fiber stock. FI47790C (en)

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 FI47790B (en)	1973-11-30
FI47790C true 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
NO136209C (en)	1977-08-03
FR2006541A1 (en)	1969-12-26
FI47790B (en)	1973-11-30
US3508651A (en)	1970-04-28
DE1920167A1 (en)	1969-11-06
NO136209B (en)	1977-04-25

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