FI882569L - SIL. - Google Patents

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Info

Publication number: FI882569L
Authority: FI; Finland
Prior art keywords: sil
Prior art date: 1987-06-11

Application number

FI882569A

Other languages

Finnish (fi)

Other versions

FI882569A0 (en

FI882569A7 (en

Inventor

Frey Frejborg

Original Assignee

Ahlstroem Oy

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.)

1987-06-11

Filing date

1988-06-01

Publication date

1988-12-12

1987-06-11 Priority claimed from US07/061,594 external-priority patent/US4880540A/en

1988-06-01 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1988-06-01 Publication of FI882569A0 publication Critical patent/FI882569A0/en

1988-12-12 Publication of FI882569L publication Critical patent/FI882569L/en

1988-12-12 Publication of FI882569A7 publication Critical patent/FI882569A7/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
- D21D5/023—Stationary screen-drums
- D21D5/026—Stationary screen-drums with rotating cleaning foils
- 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
- D21D5/16—Cylinders and plates for screens

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Paper (AREA)
Combined Means For Separation Of Solids (AREA)

FI882569A 1987-06-11 1988-06-01 I sorted. FI882569A7 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/061,594 US4880540A (en)	1983-01-26	1987-06-11	Pulp screening apparatus

Publications (3)

Publication Number	Publication Date
FI882569A0 FI882569A0 (en)	1988-06-01
FI882569L true FI882569L (en)	1988-12-12
FI882569A7 FI882569A7 (en)	1988-12-12

Family

ID=22036818

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI882569A FI882569A7 (en)	1987-06-11	1988-06-01	I sorted.

Country Status (5)

Country	Link
EP (1)	EP0294832B1 (en)
BR (1)	BR8807561A (en)
DE (2)	DE294832T1 (en)
FI (1)	FI882569A7 (en)
WO (1)	WO1988009843A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI91171C (en) *	1989-03-02	1994-05-25	Ahlstroem Oy	Method and apparatus for precipitating fiber suspension
WO1991005911A1 (en) *	1989-10-23	1991-05-02	Beloit Corporation	Basket profile for screens
US5200072A (en)	1990-08-16	1993-04-06	Ahlstrom Screen Plates Inc.	Screen plates and methods of manufacture
FI973189A0 (en) *	1995-02-03	1997-08-01	Hermann Finckh Maschinfabrik G	Pressure sorter for sorting fiber suspensions and a sieve for such a pressure sorter
SE504657C2 (en) *	1995-07-03	1997-03-24	Sunds Defibrator Ind Ab	sealing device
ES2155410B1 (en) *	1999-08-24	2001-12-01	Perez Ernesto Pastor	PAPER PASTE CLEANER.
FI20022055A7 (en) *	2002-11-19	2004-05-20	Advanced Fiber Tech Aft Trust	Method and apparatus for treating fiber suspension
WO2006119614A1 (en)	2005-05-09	2006-11-16	Hetu Marc-Andre	Screen basket with replaceable profiled bars
WO2009062287A1 (en)	2007-11-14	2009-05-22	Filtration Fibrewall Inc.	Screen basket
FI121794B (en) *	2009-10-23	2011-04-15	Andritz Oy	Device for treating fiber suspension

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3363759A (en) *	1964-04-29	1968-01-16	Bird Machine Co	Screening apparatus with rotary pulsing member
US3400820A (en) *	1965-03-30	1968-09-10	Bird Machine Co	Screening apparatus with rotary pulsing member
NL7210202A (en) *	1972-07-24	1974-01-28
SE374148B (en) *	1972-08-31	1975-02-24	S E E Ahlfors
DE2712749A1 (en) *	1977-03-23	1979-02-08	Finckh Maschf	SORTER FOR SITING FIBER SUSPENSIONS
FR2516563A1 (en) *	1981-11-18	1983-05-20	Lamort E & M	IMPROVEMENTS ON PAPER PULP CLEANERS AND THEIR SCREWS
FI67588C (en) *	1983-01-26	1985-04-10	Ahlstroem Oy	SILPLAOT
EP0205623B1 (en) *	1984-12-25	1989-09-13	Mitsubishi Jukogyo Kabushiki Kaisha	Pressure slit screen
FI77481C (en) *	1985-05-29	1989-03-10	Ahlstroem Oy	Strainer.
US4855038A (en) *	1985-06-20	1989-08-08	Beloit Corporation	High consistency pressure screen and method of separating accepts and rejects

1988
- 1988-06-01 WO PCT/FI1988/000085 patent/WO1988009843A1/en not_active Ceased
- 1988-06-01 BR BR888807561A patent/BR8807561A/en unknown
- 1988-06-01 FI FI882569A patent/FI882569A7/en not_active IP Right Cessation
- 1988-06-10 EP EP88109280A patent/EP0294832B1/en not_active Expired - Lifetime
- 1988-06-10 DE DE198888109280T patent/DE294832T1/en active Pending
- 1988-06-10 DE DE8888109280T patent/DE3862433D1/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FI882569A0 (en)	1988-06-01
EP0294832A3 (en)	1989-03-08
WO1988009843A1 (en)	1988-12-15
BR8807561A (en)	1990-04-17
DE294832T1 (en)	1989-07-13
EP0294832A2 (en)	1988-12-14
FI882569A7 (en)	1988-12-12
DE3862433D1 (en)	1991-05-23
EP0294832B1 (en)	1991-04-17

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: A. AHLSTROEM OSAKEYHTIOE