CH357964A - Process and device for the treatment of fibrous substances in the production of cellulose or semi-cellulose - Google Patents
Process and device for the treatment of fibrous substances in the production of cellulose or semi-celluloseInfo
- Publication number
- CH357964A CH357964A CH357964DA CH357964A CH 357964 A CH357964 A CH 357964A CH 357964D A CH357964D A CH 357964DA CH 357964 A CH357964 A CH 357964A
- Authority
- CH
- Switzerland
- Prior art keywords
- cellulose
- semi
- treatment
- production
- fibrous substances
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/40—Hand-driven apparatus for making cigarettes
- A24C5/44—Pocket cigarette-rollers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F13/00—Appliances for smoking cigars or cigarettes
- A24F13/02—Cigar or cigarette holders
- A24F13/12—Cigar or cigarette holders combined with other objects, e.g. writing utensils
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE357964X | 1957-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH357964A true CH357964A (en) | 1961-10-31 |
Family
ID=6290711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH357964D CH357964A (en) | 1957-07-10 | 1958-07-02 | Process and device for the treatment of fibrous substances in the production of cellulose or semi-cellulose |
Country Status (5)
Country | Link |
---|---|
US (1) | US2999784A (en) |
CH (1) | CH357964A (en) |
DE (1) | DE1070013B (en) |
FR (1) | FR1207629A (en) |
GB (1) | GB893334A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1288900B (en) * | 1960-05-09 | 1969-02-06 | Improved Machinery Inc | Container for the treatment of crushed cellulosic solids |
US3278367A (en) * | 1963-02-14 | 1966-10-11 | Aqua Chem Inc | Method of producing wood pulp including steaming, vacuum, and impregnation |
US3259538A (en) * | 1963-04-22 | 1966-07-05 | Lummus Co | Comprehensive pulping system for producing paper pulp |
US3308011A (en) * | 1963-06-20 | 1967-03-07 | Beloit Corp | Steam digestion of impregnated chips |
SE300755B (en) * | 1964-04-16 | 1968-05-06 | Kamyr Ab | |
US3446701A (en) * | 1967-12-28 | 1969-05-27 | Us Agriculture | Apparatus for impregnating and chemically converting cellulose-containing materials |
FI80083C (en) * | 1988-02-08 | 1990-04-10 | Antti Aho | Method and apparatus for pre-treating cellulosic feedstock |
US5207870A (en) * | 1988-02-08 | 1993-05-04 | Osmo Aho | Process and equipment for pretreatment of cellulosic raw material |
US5496439A (en) * | 1993-07-28 | 1996-03-05 | Carlson; Willard E. | Recycle processing of baled waste material |
FI124553B (en) | 2012-07-11 | 2014-10-15 | Bln Woods Ltd Ab | A method for extracting biomass |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1773419A (en) * | 1926-06-03 | 1930-08-19 | Baker Webster E Byron | Sulphite wood pulp and method of making the same |
BE391267A (en) * | 1931-10-12 | |||
DE611226C (en) * | 1933-02-18 | 1935-03-23 | Metallgesellschaft Akt Ges | Process for opening up wood and other pulp-containing fiber material |
US2093267A (en) * | 1934-11-20 | 1937-09-14 | Chemipulp Process Inc | Treatment of fibrous material |
US2668110A (en) * | 1948-06-18 | 1954-02-02 | Spencer | Method for fiber liberation in cotton stalks and the pulp |
US2799579A (en) * | 1953-06-22 | 1957-07-16 | Hjalmar S Messing | Apparatus for presoaking lignocellulose material |
US2809111A (en) * | 1956-02-13 | 1957-10-08 | Condi Engineering Corp | Apparatus for wood chip digestion |
-
0
- DE DENDAT1070013D patent/DE1070013B/en active Pending
-
1958
- 1958-07-01 FR FR1207629D patent/FR1207629A/en not_active Expired
- 1958-07-02 CH CH357964D patent/CH357964A/en unknown
- 1958-07-07 US US746697A patent/US2999784A/en not_active Expired - Lifetime
- 1958-07-08 GB GB21859/58A patent/GB893334A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1207629A (en) | 1960-02-17 |
DE1070013B (en) | 1959-11-26 |
GB893334A (en) | 1962-04-04 |
US2999784A (en) | 1961-09-12 |
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