GB1467958A - Apparatus for and method of manufacturing wood pulp - Google Patents
Apparatus for and method of manufacturing wood pulpInfo
- Publication number
- GB1467958A GB1467958A GB2245574A GB2245574A GB1467958A GB 1467958 A GB1467958 A GB 1467958A GB 2245574 A GB2245574 A GB 2245574A GB 2245574 A GB2245574 A GB 2245574A GB 1467958 A GB1467958 A GB 1467958A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wood
- conveyor
- chambers
- disc
- centre
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Disintegrating Or Milling (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
1467958 Comminuting wood DEFIBRATOR AB 20 May 1974 [22 May 1973] 22455/74 Heading B2A Wood pulping apparatus comprises a rotatable disc bearing on at least one surface ribs bars or ridges, a retaining means for the wood to be pulped. As described eight stationary chambers surround the centre of the disc. Wood deliveries by a conveyor 35 Fig. 1 is released by pivoted supports 34. 35 on to a conveyor 24 at the centre of the disc. An appropriate wall 13 of a chamber is lifted and the chamber is charged with wood by a conveyor 24 Fig. 2 and the wood is then pressed down by a plate 18. The chambers are loaded sequentially. The feed can alternatively be from above the chambers by means not shown. The ribs or bars 8 Fig. 2 or 46 Fig. 3 are arranged radially and may be arranged on demountable segments made of steel or a metal alloy of same type. Water is supplied during grinding via pipes 45 and the water is typically at 40-90‹C with optional addition of pH controlling chemicals bleach or the like.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7307210A SE418627B (en) | 1973-05-22 | 1973-05-22 | SET TO MANUFACTURE GRINDING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1467958A true GB1467958A (en) | 1977-03-23 |
Family
ID=20317562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2245574A Expired GB1467958A (en) | 1973-05-22 | 1974-05-20 | Apparatus for and method of manufacturing wood pulp |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5760474B2 (en) |
| CA (1) | CA1006389A (en) |
| DE (1) | DE2424980A1 (en) |
| FI (1) | FI54154C (en) |
| FR (1) | FR2230796B1 (en) |
| GB (1) | GB1467958A (en) |
| NO (1) | NO144799C (en) |
| SE (1) | SE418627B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967785A (en) * | 1975-02-12 | 1976-07-06 | Curt G. Joa, Inc. | Method and apparatus for producing defibrated cellulose fluff from bales of compacted wood pulp sheets |
| JPS5846993B2 (en) * | 1978-06-23 | 1983-10-19 | 東京電力株式会社 | Method of constructing a steel tower using a lifting crane |
| JPS63168040U (en) * | 1987-04-24 | 1988-11-01 | ||
| JP2643663B2 (en) * | 1991-06-13 | 1997-08-20 | 株式会社大林組 | Tower crane and climbing method thereof |
-
1973
- 1973-05-22 SE SE7307210A patent/SE418627B/en unknown
-
1974
- 1974-05-20 GB GB2245574A patent/GB1467958A/en not_active Expired
- 1974-05-21 NO NO741855A patent/NO144799C/en unknown
- 1974-05-22 FI FI1563/74A patent/FI54154C/en active
- 1974-05-22 FR FR7417982A patent/FR2230796B1/fr not_active Expired
- 1974-05-22 CA CA200,561A patent/CA1006389A/en not_active Expired
- 1974-05-22 DE DE19742424980 patent/DE2424980A1/en active Pending
- 1974-05-22 JP JP49056789A patent/JPS5760474B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2230796B1 (en) | 1979-09-28 |
| JPS5760474B2 (en) | 1982-12-20 |
| JPS5018701A (en) | 1975-02-27 |
| FR2230796A1 (en) | 1974-12-20 |
| NO144799C (en) | 1981-11-11 |
| CA1006389A (en) | 1977-03-08 |
| DE2424980A1 (en) | 1974-12-12 |
| SE418627B (en) | 1981-06-15 |
| NO144799B (en) | 1981-08-03 |
| FI54154B (en) | 1978-06-30 |
| FI156374A (en) | 1974-11-23 |
| NO741855L (en) | 1974-11-25 |
| FI54154C (en) | 1978-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |