FI51718C - Method for producing mechanical pulp - Google Patents

Method for producing mechanical pulp

Info

Publication number: FI51718C
Authority: FI; Finland
Prior art keywords: mechanical pulp; producing mechanical; producing; pulp; mechanical
Prior art date: 1968-04-02

Application number

FI91169A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI51718B (en

Inventor

Hjalmar Sten Ingemar Bystedt

Rolf Bertil Reinhall

Karl Nicolaus Cederquist

Original Assignee

Defibrator 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.)

1968-04-02

Filing date

1969-03-28

Publication date

1977-03-10

1969-03-28 Application filed by Defibrator Ab filed Critical Defibrator Ab

1976-11-30 Application granted granted Critical

1976-11-30 Publication of FI51718B publication Critical patent/FI51718B/fi

1977-03-10 Publication of FI51718C publication Critical patent/FI51718C/en

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Paper (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

FI91169A 1968-04-02 1969-03-28 Method for producing mechanical pulp FI51718C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE437668A SE341322B (en)	1968-04-02	1968-04-02

Publications (2)

Publication Number	Publication Date
FI51718B FI51718B (en)	1976-11-30
FI51718C true FI51718C (en)	1977-03-10

Family

ID=20264065

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI91169A FI51718C (en)	1968-04-02	1969-03-28	Method for producing mechanical pulp

Country Status (15)

Country	Link
AT (1)	AT302009B (en)
BE (1)	BE730803A (en)
CH (1)	CH493691A (en)
CS (1)	CS188102B2 (en)
DE (1)	DE1912940C3 (en)
FI (1)	FI51718C (en)
FR (1)	FR2005384A1 (en)
GB (1)	GB1266898A (en)
NL (1)	NL6905189A (en)
NO (1)	NO137831C (en)
PL (1)	PL79407B1 (en)
RO (1)	RO55287A (en)
SE (1)	SE341322B (en)
SU (1)	SU382303A3 (en)
YU (1)	YU33121B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT330562B (en) *	1972-10-23	1976-07-12	Sca Project Ab	PROCESS FOR MANUFACTURING MECHANICALLY REFINED HIGH DENSITY FIBER
SE387977B (en) *	1975-01-27	1976-09-20	Elektrokemiska Ab	WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS
CA1070536A (en) *	1977-06-08	1980-01-29	John B. Matthew	High temperature low consistency refining of thermo-mechanical pulp
SE420329C (en) *	1978-02-16	1984-10-15	Mo Och Domsjoe Ab	PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
SE420427C (en) *	1978-02-16	1984-10-15	Mo Och Domsjoe Ab	PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
SE8002027L (en) *	1980-03-14	1981-09-15	Sunds Defibrator	IN CONNECTION WITH THE MANUFACTURE OF THERMOMECHANICAL MASS IMPROVING ITS ABSORPTION PROPERTIES
US4347100A (en) *	1981-05-21	1982-08-31	The Chemithon Corporation	Strength of paper from mechanical or thermomechanical pulp
US4383889A (en) *	1981-09-08	1983-05-17	Nalco Chemical Company	Pulp refining process and additive therefor
SE428813B (en) *	1981-10-28	1983-07-25	Sunds Defibrator	SET FOR MANUFACTURING FIBER DISCS BY THE WATER METHOD
US4692214A (en) *	1984-10-29	1987-09-08	Kamyr Ab	Apparatus for producing mechanical pulp with a refiner having its drive shaft connected to a steam turbine output shaft
WO2004009900A1 (en)	2002-07-19	2004-01-29	Andritz Inc.	High defiberization chip pretreatment
US7726592B2 (en) *	2003-12-04	2010-06-01	Hercules Incorporated	Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1850832A (en) *	1925-06-13	1932-03-22	Insulite Co	Process of separating wood fibers
GB657621A (en) *	1948-01-22	1951-09-26	Agicide Lab Inc	Process for grinding and classifying organic materials
NL84387C (en) *	1949-07-26
GB1016872A (en) *	1961-07-14	1966-01-12	Defibrator Ab	Improvements in and relating to production of chips from cellulose and similar materials
SE303088B (en) *	1963-05-31	1968-08-12	Defibrator Ab
SE308983B (en) *	1964-03-10	1969-03-03	Defibrator Ab

1968
- 1968-04-02 SE SE437668A patent/SE341322B/xx unknown
1969
- 1969-03-14 DE DE19691912940 patent/DE1912940C3/en not_active Expired
- 1969-03-17 GB GB1266898D patent/GB1266898A/en not_active Expired
- 1969-03-24 YU YU69969A patent/YU33121B/en unknown
- 1969-03-26 AT AT301069A patent/AT302009B/en not_active IP Right Cessation
- 1969-03-26 SU SU1317676A patent/SU382303A3/ru active
- 1969-03-27 CS CS220269A patent/CS188102B2/en unknown
- 1969-03-28 FI FI91169A patent/FI51718C/en active
- 1969-03-28 NO NO131569A patent/NO137831C/en unknown
- 1969-03-31 BE BE730803D patent/BE730803A/xx not_active IP Right Cessation
- 1969-04-01 CH CH497869A patent/CH493691A/en not_active IP Right Cessation
- 1969-04-01 FR FR6909940A patent/FR2005384A1/fr not_active Withdrawn
- 1969-04-02 NL NL6905189A patent/NL6905189A/xx unknown
- 1969-04-02 PL PL13274469A patent/PL79407B1/pl unknown
- 1969-04-02 RO RO5959769A patent/RO55287A/ro unknown

Also Published As

Publication number	Publication date
CH493691A (en)	1970-07-15
NO137831B (en)	1978-01-23
PL79407B1 (en)	1975-06-30
DE1912940A1 (en)	1970-02-26
FR2005384A1 (en)	1969-12-12
GB1266898A (en)	1972-03-15
DE1912940C3 (en)	1981-03-19
NL6905189A (en)	1969-10-06
SU382303A3 (en)	1973-05-22
RO55287A (en)	1973-05-17
YU69969A (en)	1975-10-31
BE730803A (en)	1969-09-01
YU33121B (en)	1976-04-30
AT302009B (en)	1972-09-25
CS188102B2 (en)	1979-02-28
NO137831C (en)	1978-05-03
FI51718B (en)	1976-11-30
DE1912940B2 (en)	1975-07-24
SE341322B (en)	1971-12-20

Publication	Publication Date	Title
FI50552C (en)	1976-04-12	Method for bleaching mechanical pulp
FI49020C (en)	1975-03-10	Method for making a double-glazed unit
BG17576A3 (en)	1973-11-10	METHOD FOR OBTAINING A NEW AZEPINE PRODUCT
FI50654C (en)	1976-05-10	Method for preparing papermaking aids.
FI45573C (en)	1972-07-10	Method for the production of bleached pulp.
CH518279A (en)	1972-01-31	Process for producing isochromes
FI51718C (en)	1977-03-10	Method for producing mechanical pulp
FI49087C (en)	1975-03-10	Apparatus for preparing decorative patterns for compressible boxes.
BG16183A3 (en)	1972-07-20	METHOD FOR OBTAINING ADIPONITRIL
CH551638A (en)	1974-07-15	IMAGE PRODUCTION PROCESS.
SE382212B (en)	1976-01-19	METHOD OF PRODUCING DEKAHYDROISOKINOLINE DERIVATIVES
BG15753A3 (en)	1976-07-26	METHOD FOR OBTAINING 1-HALOGEN-1-FORMYL-CARBONIDE- PHENYLHYDRAZONES
FI50990C (en)	1976-09-10	A method of making a binder-bonded glass fiber product.
CH503492A (en)	1971-02-28	Acupuncture apparatus
MY7500011A (en)	1975-12-31	A method for the production of d-ribose
CH486959A (en)	1970-03-15	Lapping machine
CH532266A (en)	1972-12-31	Transmission apparatus
BR6913822D0 (en)	1973-01-11	DYNAMELETRIC MACHINE
FI54979B (en)	1978-12-29	ELEKTROPOTOGRAFISK PROCESS OCH ANORDNING
BR6909673D0 (en)	1973-01-11	APPARATUS
AT306510B (en)	1973-04-10	Imaging process
BG16035A3 (en)	1972-05-20	METHOD FOR OBTAINING QUINAZOLINE-2-THIONES
FI44320C (en)	1971-10-11	Method for making pulp
AT335771B (en)	1977-03-25	TEACHING MACHINE
IT1035017B (en)	1979-10-20	PROCEDURE FOR PRODUCING SUBSTITUTED PHYSAZOLIDINS