FR649022A - Process for obtaining and maintaining rough surfaces - Google Patents
Process for obtaining and maintaining rough surfacesInfo
- Publication number
- FR649022A FR649022A FR649022DA FR649022A FR 649022 A FR649022 A FR 649022A FR 649022D A FR649022D A FR 649022DA FR 649022 A FR649022 A FR 649022A
- Authority
- FR
- France
- Prior art keywords
- obtaining
- rough surfaces
- maintaining
- maintaining rough
- rough
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
- B07B13/11—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects involving travel of particles over surfaces which separate by centrifugal force or by relative friction between particles and such surfaces, e.g. helical sorters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR649022T | 1927-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR649022A true FR649022A (en) | 1928-12-17 |
Family
ID=9003049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR649022D Expired FR649022A (en) | 1927-07-05 | 1927-07-05 | Process for obtaining and maintaining rough surfaces |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR649022A (en) |
-
1927
- 1927-07-05 FR FR649022D patent/FR649022A/en not_active Expired
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