IE34287B1 - A process for obtaining chemo-mechanical,semi-chemical or chemical wood pulps for the manufacture of paper and cardboard - Google Patents
A process for obtaining chemo-mechanical,semi-chemical or chemical wood pulps for the manufacture of paper and cardboardInfo
- Publication number
- IE34287B1 IE34287B1 IE62370A IE62370A IE34287B1 IE 34287 B1 IE34287 B1 IE 34287B1 IE 62370 A IE62370 A IE 62370A IE 62370 A IE62370 A IE 62370A IE 34287 B1 IE34287 B1 IE 34287B1
- Authority
- IE
- Ireland
- Prior art keywords
- chemical
- chemo
- cardboard
- semi
- paper
- Prior art date
Links
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
-
- 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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
1300668 Wood pulp MOSCA MOSCON & CIA 5 May 1970 [12 June 1969] 21584/70 Heading D2W Wood is cut to provide shavings or chips having a thickness of 0.1-3mm, the chips are then artificially dehydrated and then impregnated with acid, alkaline or neutral liquor to produce pulp, the dehydration being to such an extent as to permit substantially uniform penetration of the liquor without dilution thereof. The chips may be further broken down before dehydration.
[GB1300668A]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR22215069 | 1969-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
IE34287L IE34287L (en) | 1970-12-12 |
IE34287B1 true IE34287B1 (en) | 1975-04-02 |
Family
ID=3461648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE62370A IE34287B1 (en) | 1969-06-12 | 1970-05-13 | A process for obtaining chemo-mechanical,semi-chemical or chemical wood pulps for the manufacture of paper and cardboard |
Country Status (12)
Country | Link |
---|---|
AT (1) | AT296744B (en) |
BE (1) | BE750832Q (en) |
CH (1) | CH510782A (en) |
DE (1) | DE1951816A1 (en) |
DK (1) | DK128020B (en) |
ES (1) | ES379819A1 (en) |
FR (1) | FR2052427A5 (en) |
GB (1) | GB1300668A (en) |
IE (1) | IE34287B1 (en) |
IS (1) | IS861B6 (en) |
NL (1) | NL7007213A (en) |
SE (1) | SE362452B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE458690B (en) * | 1986-11-06 | 1989-04-24 | Sunds Defibrator | MAKE MANUFACTURING MECHANICAL MASS FROM LIGNOCELLULOSALLY MATERIAL IN PIECE FORM WITH A LENGTH IN THE FIBER DIRECTION OF AT LEAST 200 MM |
-
1969
- 1969-10-14 DE DE19691951816 patent/DE1951816A1/en not_active Withdrawn
-
1970
- 1970-05-05 GB GB2158470A patent/GB1300668A/en not_active Expired
- 1970-05-08 IS IS1930A patent/IS861B6/en unknown
- 1970-05-13 IE IE62370A patent/IE34287B1/en unknown
- 1970-05-19 AT AT446170A patent/AT296744B/en not_active IP Right Cessation
- 1970-05-19 ES ES379819A patent/ES379819A1/en not_active Expired
- 1970-05-19 DK DK253970A patent/DK128020B/en unknown
- 1970-05-19 NL NL7007213A patent/NL7007213A/xx unknown
- 1970-05-20 SE SE691770A patent/SE362452B/xx unknown
- 1970-05-22 CH CH761070A patent/CH510782A/en not_active IP Right Cessation
- 1970-05-22 BE BE750832D patent/BE750832Q/en active
- 1970-05-25 FR FR7018991A patent/FR2052427A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH510782A (en) | 1971-07-31 |
NL7007213A (en) | 1970-12-15 |
BE750832Q (en) | 1970-11-03 |
FR2052427A5 (en) | 1971-04-09 |
DK128020B (en) | 1974-02-18 |
IE34287L (en) | 1970-12-12 |
IS861B6 (en) | 1974-05-22 |
AT296744B (en) | 1972-02-25 |
IS1930A7 (en) | 1970-06-03 |
ES379819A1 (en) | 1973-02-01 |
SE362452B (en) | 1973-12-10 |
GB1300668A (en) | 1972-12-20 |
DE1951816A1 (en) | 1970-12-23 |
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