NL7201473A - - Google Patents
Info
- Publication number
- NL7201473A NL7201473A NL7201473A NL7201473A NL7201473A NL 7201473 A NL7201473 A NL 7201473A NL 7201473 A NL7201473 A NL 7201473A NL 7201473 A NL7201473 A NL 7201473A NL 7201473 A NL7201473 A NL 7201473A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- F28F1/24—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 and extending transversely
- F28F1/30—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 and extending transversely the means being attachable to the element
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712107499 DE2107499A1 (de) | 1971-02-17 | 1971-02-17 | Herstellungsverfahren fuer elektrisch geschweisste rippenrohre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201473A true NL7201473A (de) | 1972-08-21 |
Family
ID=5799002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201473A NL7201473A (de) | 1971-02-17 | 1972-02-04 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE778701A (de) |
| CH (1) | CH546604A (de) |
| DE (1) | DE2107499A1 (de) |
| DK (1) | DK133542C (de) |
| FR (1) | FR2125504B1 (de) |
| GB (1) | GB1386343A (de) |
| NL (1) | NL7201473A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7501204L (sv) * | 1975-02-04 | 1976-08-05 | Sensotherm Ab | Anordning vid en veckad plat jemte forfarande vid tillverkningen av densamma |
| CN102814583B (zh) * | 2012-08-03 | 2015-09-02 | 江苏海德节能科技有限公司 | H型翅片管焊机用翅片电极板系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2716802A (en) * | 1951-10-08 | 1955-09-06 | Tranter Mfg Inc | Method of making heat exchange devices |
| FR1209680A (fr) * | 1958-08-27 | 1960-03-03 | Duralumin | Procédé de fabrication d'un échangeur de température à grande surface de transmission thermique et échangeur obtenu |
| US3407874A (en) * | 1966-05-19 | 1968-10-29 | John R. Gier Jr. | Fin tube assemblage for heat exchangers |
-
1971
- 1971-02-17 DE DE19712107499 patent/DE2107499A1/de active Pending
-
1972
- 1972-01-27 CH CH546604D patent/CH546604A/de not_active IP Right Cessation
- 1972-01-31 BE BE778701A patent/BE778701A/xx unknown
- 1972-02-04 NL NL7201473A patent/NL7201473A/xx unknown
- 1972-02-16 DK DK71672A patent/DK133542C/da active
- 1972-02-16 FR FR7205149A patent/FR2125504B1/fr not_active Expired
- 1972-02-16 GB GB720372A patent/GB1386343A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2107499A1 (de) | 1972-08-24 |
| DK133542C (da) | 1976-10-25 |
| FR2125504A1 (de) | 1972-09-29 |
| FR2125504B1 (de) | 1974-08-02 |
| BE778701A (fr) | 1972-05-16 |
| CH546604A (de) | 1974-03-15 |
| GB1386343A (en) | 1975-03-05 |
| DK133542B (da) | 1976-06-08 |