LU49871A1 - - Google Patents
Info
- Publication number
- LU49871A1 LU49871A1 LU49871A LU49871A LU49871A1 LU 49871 A1 LU49871 A1 LU 49871A1 LU 49871 A LU49871 A LU 49871A LU 49871 A LU49871 A LU 49871A LU 49871 A1 LU49871 A1 LU 49871A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
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- 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)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Making Paper Articles (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB372765 | 1965-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
LU49871A1 true LU49871A1 (xx) | 1966-01-18 |
Family
ID=9763810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU49871A LU49871A1 (xx) | 1965-01-28 | 1965-11-18 |
Country Status (3)
Country | Link |
---|---|
ES (1) | ES321711A1 (xx) |
LU (1) | LU49871A1 (xx) |
NL (1) | NL6600651A (xx) |
-
1965
- 1965-11-18 LU LU49871A patent/LU49871A1/xx unknown
-
1966
- 1966-01-13 ES ES0321711A patent/ES321711A1/es not_active Expired
- 1966-01-18 NL NL6600651A patent/NL6600651A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6600651A (xx) | 1966-07-29 |
ES321711A1 (es) | 1966-06-16 |