FI903207A7 - Continuous cooking at reduced costs, lower power and less pulp degradation - Google Patents

Continuous cooking at reduced costs, lower power and less pulp degradation Download PDF

Info

Publication number: FI903207A7
Authority: FI; Finland
Prior art keywords: lower power; reduced costs; continuous cooking; less pulp; pulp degradation
Prior art date: 1989-06-28

Application number

FI903207A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI903207A0 (en

Inventor

Johan C F C Richter

Original Assignee

Kamyr Ab

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.)

1989-06-28

Filing date

1990-06-26

Publication date

1990-12-29

1990-06-26 Application filed by Kamyr Ab filed Critical Kamyr Ab

1990-06-26 Publication of FI903207A0 publication Critical patent/FI903207A0/en

1990-12-29 Publication of FI903207A7 publication Critical patent/FI903207A7/en

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters

FI903207A 1989-06-28 1990-06-26 Continuous cooking at reduced costs, lower power and less pulp degradation FI903207A7 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US37265089A	1989-06-28	1989-06-28

Publications (2)

Publication Number	Publication Date
FI903207A0 FI903207A0 (en)	1990-06-26
FI903207A7 true FI903207A7 (en)	1990-12-29

Family

ID=23469091

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI903207A FI903207A7 (en)	1989-06-28	1990-06-26	Continuous cooking at reduced costs, lower power and less pulp degradation

Country Status (7)

Country	Link
EP (1)	EP0407371A3 (en)
JP (1)	JPH0333287A (en)
BR (1)	BR9003023A (en)
DE (1)	DE407371T1 (en)
FI (1)	FI903207A7 (en)
NO (1)	NO902849L (en)
SE (1)	SE506456C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5302247A (en) *	1992-11-02	1994-04-12	Kamyr, Inc.	Top circulation line cooling for a modified cook digester
US5476572A (en) *	1994-06-16	1995-12-19	Kamyr, Inc.	Chip feeding for a continuous digester

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR65634E (en) *	1952-05-14	1956-02-29
NL136526C (en) *	1959-11-20
FI44513C (en) *	1963-01-08	1971-11-10	Defibrator Ab	Apparatus for the continuous production of pulp from a lignocellulosic material
US5300195A (en) *	1988-05-31	1994-04-05	Kamyr Ab	Continuous vertical digester apparatus

1990
- 1990-05-17 SE SE9001782A patent/SE506456C2/en unknown
- 1990-06-07 DE DE199090890180T patent/DE407371T1/en active Pending
- 1990-06-07 EP EP19900890180 patent/EP0407371A3/en not_active Withdrawn
- 1990-06-19 JP JP2161173A patent/JPH0333287A/en active Pending
- 1990-06-26 FI FI903207A patent/FI903207A7/en not_active IP Right Cessation
- 1990-06-27 NO NO90902849A patent/NO902849L/en unknown
- 1990-06-28 BR BR909003023A patent/BR9003023A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
NO902849L (en)	1991-01-02
EP0407371A3 (en)	1991-11-27
JPH0333287A (en)	1991-02-13
SE9001782D0 (en)	1990-05-17
FI903207A0 (en)	1990-06-26
EP0407371A2 (en)	1991-01-09
SE506456C2 (en)	1997-12-15
NO902849D0 (en)	1990-06-27
BR9003023A (en)	1991-08-20
DE407371T1 (en)	1991-10-17
SE9001782L (en)	1990-12-29

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Legal Events

Date	Code	Title	Description
1995-01-09	FD	Application lapsed
2004-08-31	MM	Patent lapsed	Owner name: KAMYR AB