IT1125495B - Procedimento per migliorare le caratteristiche del materiale greggio di pasta di carta ottenuto meccanicamente dal legno - Google Patents

Procedimento per migliorare le caratteristiche del materiale greggio di pasta di carta ottenuto meccanicamente dal legno

Info

Publication number: IT1125495B
Authority: IT; Italy
Prior art keywords: wood; improving; procedure; material obtained; paste material
Prior art date: 1978-10-19

Application number

IT26605/79A

Other languages

English (en)

Other versions

IT7926605A0 (it

Inventor

Antti Lehtinen

Original Assignee

Valmet 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.)

1978-10-19

Filing date

1979-10-18

Publication date

1986-05-14

1979-10-18 Application filed by Valmet Oy filed Critical Valmet Oy

1979-10-18 Publication of IT7926605A0 publication Critical patent/IT7926605A0/it

1986-05-14 Application granted granted Critical

1986-05-14 Publication of IT1125495B publication Critical patent/IT1125495B/it

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
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
- 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
- D21B1/14—Disintegrating in mills
- D21B1/18—Disintegrating in mills in magazine-type machines
- D21B1/24—Disintegrating in mills in magazine-type machines of the pocket type

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Paper (AREA)
Soft Magnetic Materials (AREA)

IT26605/79A 1978-10-19 1979-10-18 Procedimento per migliorare le caratteristiche del materiale greggio di pasta di carta ottenuto meccanicamente dal legno IT1125495B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI783193A FI57978C (fi)	1978-10-19	1978-10-19	Foerfarande foer framstaellning av slipmassa och foer foerbaettring av dess egenskaper

Publications (2)

Publication Number	Publication Date
IT7926605A0 IT7926605A0 (it)	1979-10-18
IT1125495B true IT1125495B (it)	1986-05-14

Family

ID=8512087

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT26605/79A IT1125495B (it)	1978-10-19	1979-10-18	Procedimento per migliorare le caratteristiche del materiale greggio di pasta di carta ottenuto meccanicamente dal legno

Country Status (10)

Country	Link
JP (1)	JPS5557090A (it)
BR (1)	BR7906762A (it)
CA (1)	CA1120301A (it)
DE (1)	DE2941675A1 (it)
FI (1)	FI57978C (it)
FR (1)	FR2439263A1 (it)
GB (1)	GB2035839B (it)
IT (1)	IT1125495B (it)
NO (1)	NO793357L (it)
SE (1)	SE7908578L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2211266C1 (ru) *	2002-08-21	2003-08-27	Открытое акционерное общество "Целлюлозно-бумажный комбинат "Кама"	Способ получения дефибрерной древесной массы
CN109537337A (zh) *	2018-07-16	2019-03-29	广西综改咨询服务有限公司	一种造纸用木材粉碎研磨装置

1978
- 1978-10-19 FI FI783193A patent/FI57978C/fi not_active IP Right Cessation
1979
- 1979-10-15 DE DE19792941675 patent/DE2941675A1/de not_active Withdrawn
- 1979-10-15 GB GB7935759A patent/GB2035839B/en not_active Expired
- 1979-10-17 SE SE7908578A patent/SE7908578L/ not_active Application Discontinuation
- 1979-10-18 IT IT26605/79A patent/IT1125495B/it active
- 1979-10-18 NO NO793357A patent/NO793357L/no unknown
- 1979-10-18 CA CA000337933A patent/CA1120301A/en not_active Expired
- 1979-10-19 BR BR7906762A patent/BR7906762A/pt unknown
- 1979-10-19 JP JP13504979A patent/JPS5557090A/ja active Pending
- 1979-10-19 FR FR7926075A patent/FR2439263A1/fr active Granted

Also Published As

Publication number	Publication date
GB2035839A (en)	1980-06-25
JPS5557090A (en)	1980-04-26
FR2439263A1 (fr)	1980-05-16
FI57978B (fi)	1980-07-31
NO793357L (no)	1980-04-22
DE2941675A1 (de)	1980-04-30
SE7908578L (sv)	1980-04-20
FI783193A7 (fi)	1980-04-20
FR2439263B3 (it)	1981-08-14
GB2035839B (en)	1982-10-27
CA1120301A (en)	1982-03-23
FI57978C (fi)	1980-11-10
BR7906762A (pt)	1980-06-03
IT7926605A0 (it)	1979-10-18

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