FR2270369B1 - - Google Patents
Info
- Publication number
- FR2270369B1 FR2270369B1 FR7415676A FR7415676A FR2270369B1 FR 2270369 B1 FR2270369 B1 FR 2270369B1 FR 7415676 A FR7415676 A FR 7415676A FR 7415676 A FR7415676 A FR 7415676A FR 2270369 B1 FR2270369 B1 FR 2270369B1
- Authority
- FR
- France
- 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
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415676A FR2270369A1 (en) | 1974-05-07 | 1974-05-07 | Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415676A FR2270369A1 (en) | 1974-05-07 | 1974-05-07 | Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270369A1 FR2270369A1 (en) | 1975-12-05 |
| FR2270369B1 true FR2270369B1 (enExample) | 1980-08-01 |
Family
ID=9138528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7415676A Granted FR2270369A1 (en) | 1974-05-07 | 1974-05-07 | Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2270369A1 (enExample) |
-
1974
- 1974-05-07 FR FR7415676A patent/FR2270369A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2270369A1 (en) | 1975-12-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |