NL6904195A - - Google Patents
Info
- Publication number
- NL6904195A NL6904195A NL6904195A NL6904195A NL6904195A NL 6904195 A NL6904195 A NL 6904195A NL 6904195 A NL6904195 A NL 6904195A NL 6904195 A NL6904195 A NL 6904195A NL 6904195 A NL6904195 A NL 6904195A
- 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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
-
- 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
- B21D15/00—Corrugating tubes
-
- 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
- F28F1/08—Tubular elements crimped or corrugated in longitudinal section
-
- 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
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
-
- 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
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
- F28F1/424—Means comprising outside portions integral with inside portions
- F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR144456 | 1968-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6904195A true NL6904195A (OSRAM) | 1969-09-23 |
Family
ID=8647709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6904195A NL6904195A (OSRAM) | 1968-03-19 | 1969-03-19 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4844431B1 (OSRAM) |
| BE (1) | BE730100A (OSRAM) |
| DE (1) | DE1914896A1 (OSRAM) |
| FR (1) | FR1565632A (OSRAM) |
| GB (1) | GB1249069A (OSRAM) |
| NL (1) | NL6904195A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55134610U (OSRAM) * | 1979-03-19 | 1980-09-25 | ||
| EP0102407B1 (de) * | 1982-09-03 | 1986-02-19 | Wieland-Werke Ag | Rippenrohr mit inneren Vorsprüngen sowie Verfahren und Vorrichtung zu dessen Herstellung |
| CN105509534A (zh) * | 2014-09-25 | 2016-04-20 | 天津市华春新能源技术发展有限公司 | 一种斜锥形低阻力翅片管 |
-
1968
- 1968-03-19 FR FR1565632D patent/FR1565632A/fr not_active Expired
-
1969
- 1969-03-18 GB GB1403069A patent/GB1249069A/en not_active Expired
- 1969-03-19 NL NL6904195A patent/NL6904195A/xx unknown
- 1969-03-19 BE BE730100D patent/BE730100A/xx not_active IP Right Cessation
- 1969-03-19 JP JP2159669A patent/JPS4844431B1/ja active Pending
- 1969-03-19 DE DE19691914896 patent/DE1914896A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1249069A (en) | 1971-10-06 |
| JPS4844431B1 (OSRAM) | 1973-12-25 |
| FR1565632A (OSRAM) | 1969-05-02 |
| DE1914896A1 (de) | 1969-10-16 |
| BE730100A (OSRAM) | 1969-09-01 |