LU55629A1 - - Google Patents
Info
- Publication number
- LU55629A1 LU55629A1 LU55629DA LU55629A1 LU 55629 A1 LU55629 A1 LU 55629A1 LU 55629D A LU55629D A LU 55629DA LU 55629 A1 LU55629 A1 LU 55629A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR104774A FR1538354A (fr) | 1967-04-28 | 1967-04-28 | Procédé de fabrication de tubes ailetés, et tubes obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU55629A1 true LU55629A1 (mo) | 1968-05-26 |
Family
ID=8629971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU55629D LU55629A1 (mo) | 1967-04-28 | 1968-03-07 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE711929A (mo) |
| FR (1) | FR1538354A (mo) |
| LU (1) | LU55629A1 (mo) |
| NL (1) | NL6805913A (mo) |
-
1967
- 1967-04-28 FR FR104774A patent/FR1538354A/fr not_active Expired
-
1968
- 1968-03-07 LU LU55629D patent/LU55629A1/xx unknown
- 1968-03-08 BE BE711929D patent/BE711929A/xx unknown
- 1968-04-25 NL NL6805913A patent/NL6805913A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE711929A (mo) | 1968-07-15 |
| FR1538354A (fr) | 1968-09-06 |
| NL6805913A (mo) | 1968-10-29 |