FR2187454B1 - - Google Patents
Info
- Publication number
- FR2187454B1 FR2187454B1 FR7219723A FR7219723A FR2187454B1 FR 2187454 B1 FR2187454 B1 FR 2187454B1 FR 7219723 A FR7219723 A FR 7219723A FR 7219723 A FR7219723 A FR 7219723A FR 2187454 B1 FR2187454 B1 FR 2187454B1
- 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.)
- Expired
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
- F28F1/42—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
-
- 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
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
-
- 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
-
- 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
- F28F1/422—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 with outside means integral with the tubular element and inside means integral with the tubular element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7219723A FR2187454B1 (xx) | 1972-06-01 | 1972-06-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7219723A FR2187454B1 (xx) | 1972-06-01 | 1972-06-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2187454A1 FR2187454A1 (xx) | 1974-01-18 |
FR2187454B1 true FR2187454B1 (xx) | 1976-08-13 |
Family
ID=9099525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7219723A Expired FR2187454B1 (xx) | 1972-06-01 | 1972-06-01 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2187454B1 (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI932094A (fi) * | 1993-05-07 | 1994-11-08 | Kone Oy | Nosturin vaihteiston jäähdytyslaite |
BE1011472A3 (nl) * | 1997-09-25 | 1999-10-05 | Atlas Copco Airpower Nv | Warmtewisselaar en werkwijze voor het vervaardigen van warmtewisselelementen voor dergelijke warmtewisselaar. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2036417A (en) * | 1932-12-08 | 1936-04-07 | Wilbur G Laird | Method of making fin radiators |
US2367226A (en) * | 1940-05-10 | 1945-01-16 | Foster Wheeler Corp | Apparatus for producing extended surface tubular members |
DE1279602B (de) * | 1962-09-19 | 1968-10-10 | Brown Fintube Co | Vorrichtung zum Anpressen von Aussenrippen mit U-Profil auf Rohre beim Loeten |
US3481394A (en) * | 1967-06-26 | 1969-12-02 | Calumet & Hecla Corp | Configuration of heat transfer tubing for vapor condensation on its outer surface |
US3580026A (en) * | 1968-12-17 | 1971-05-25 | Inst De Cercetari Tehnologic P | Method and apparatus for manufacturing finned pipes |
FR2067525A5 (en) * | 1969-11-06 | 1971-08-20 | Uzina Utilaj Chimic | Modified lathe for finned composite tubing - manufacture |
-
1972
- 1972-06-01 FR FR7219723A patent/FR2187454B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2187454A1 (xx) | 1974-01-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |