FR2077936A1 - - Google Patents
Info
- Publication number
- FR2077936A1 FR2077936A1 FR7006791A FR7006791A FR2077936A1 FR 2077936 A1 FR2077936 A1 FR 2077936A1 FR 7006791 A FR7006791 A FR 7006791A FR 7006791 A FR7006791 A FR 7006791A FR 2077936 A1 FR2077936 A1 FR 2077936A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- 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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
-
- 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
- F28F1/126—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 consisting of zig-zag shaped fins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7006791A FR2077936B1 (en) | 1970-02-25 | 1970-02-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7006791A FR2077936B1 (en) | 1970-02-25 | 1970-02-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2077936A1 true FR2077936A1 (en) | 1971-11-05 |
FR2077936B1 FR2077936B1 (en) | 1974-05-03 |
Family
ID=9051268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7006791A Expired FR2077936B1 (en) | 1970-02-25 | 1970-02-25 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2077936B1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1050825A (en) * | 1900-01-01 | |||
FR381584A (en) * | 1907-07-02 | 1908-01-15 | Belton Tattnall Hamilton | Improvements to radiators and condensers |
US1349011A (en) * | 1919-10-28 | 1920-08-10 | Philmore F Spery | Radiator for internal-combustion engines |
US2994123A (en) * | 1956-06-14 | 1961-08-01 | Richard W Kritzer | Method of forming heat transfer units |
GB1061199A (en) * | 1962-12-20 | 1967-03-08 | Borg Warner | Heat-exchanger and method of its manufacture |
DE1451009A1 (en) * | 1963-07-10 | 1969-03-13 | Siemens Elektrogeraete Gmbh | Heat exchanger |
-
1970
- 1970-02-25 FR FR7006791A patent/FR2077936B1/fr not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1050825A (en) * | 1900-01-01 | |||
FR381584A (en) * | 1907-07-02 | 1908-01-15 | Belton Tattnall Hamilton | Improvements to radiators and condensers |
US1349011A (en) * | 1919-10-28 | 1920-08-10 | Philmore F Spery | Radiator for internal-combustion engines |
US2994123A (en) * | 1956-06-14 | 1961-08-01 | Richard W Kritzer | Method of forming heat transfer units |
GB1061199A (en) * | 1962-12-20 | 1967-03-08 | Borg Warner | Heat-exchanger and method of its manufacture |
DE1451009A1 (en) * | 1963-07-10 | 1969-03-13 | Siemens Elektrogeraete Gmbh | Heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
FR2077936B1 (en) | 1974-05-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |