AT300539B - Device for the pre-treatment of paper pulp - Google Patents
Device for the pre-treatment of paper pulpInfo
- Publication number
- AT300539B AT300539B AT573967A AT573967A AT300539B AT 300539 B AT300539 B AT 300539B AT 573967 A AT573967 A AT 573967A AT 573967 A AT573967 A AT 573967A AT 300539 B AT300539 B AT 300539B
- Authority
- AT
- Austria
- Prior art keywords
- treatment
- paper pulp
- pulp
- paper
- Prior art date
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55883866A | 1966-06-20 | 1966-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT300539B true AT300539B (en) | 1972-07-25 |
Family
ID=24231212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT573967A AT300539B (en) | 1966-06-20 | 1967-06-20 | Device for the pre-treatment of paper pulp |
Country Status (4)
Country | Link |
---|---|
US (1) | US3471364A (en) |
AT (1) | AT300539B (en) |
DE (1) | DE1561620A1 (en) |
SE (1) | SE320263B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4124440A (en) * | 1977-05-23 | 1978-11-07 | Kamyr Inc. | Chip bin steam distributor with a vibrating discharge |
FI810330L (en) * | 1980-02-14 | 1981-08-15 | Beloit Corp | THERMOMECHANICAL DEFIBRERINGSFOERFARANDE |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2287332A (en) * | 1939-05-25 | 1942-06-23 | West Virginia Pulp & Paper Co | Rotary digester |
US2425024A (en) * | 1942-11-21 | 1947-08-05 | Paper And Ind Appliances Inc | Apparatus for producing pulp from cellulosic material |
US2799579A (en) * | 1953-06-22 | 1957-07-16 | Hjalmar S Messing | Apparatus for presoaking lignocellulose material |
US2905240A (en) * | 1954-12-10 | 1959-09-22 | Waldorf Paper Prod Co | Apparatus for impregnating wood chips |
-
1966
- 1966-06-20 US US558838A patent/US3471364A/en not_active Expired - Lifetime
-
1967
- 1967-06-13 DE DE19671561620 patent/DE1561620A1/en active Pending
- 1967-06-16 SE SE8567/67A patent/SE320263B/xx unknown
- 1967-06-20 AT AT573967A patent/AT300539B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE1561620A1 (en) | 1970-07-23 |
US3471364A (en) | 1969-10-07 |
SE320263B (en) | 1970-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |