FR1604823A - - Google Patents
Info
- Publication number
- FR1604823A FR1604823A FR1604823DA FR1604823A FR 1604823 A FR1604823 A FR 1604823A FR 1604823D A FR1604823D A FR 1604823DA FR 1604823 A FR1604823 A FR 1604823A
- 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
- F28F1/12—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
- F28F1/34—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 obliquely
- F28F1/36—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 obliquely the means being helically wound fins or wire spirals
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- 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
- B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR130700 | 1967-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1604823A true FR1604823A (ko) | 1972-04-17 |
Family
ID=8642653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1604823D Expired FR1604823A (ko) | 1967-12-01 | 1967-12-01 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1604823A (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0091127A1 (en) * | 1982-04-06 | 1983-10-12 | Energiagazdalkodasi Intezet | Helicoidally finned tubes |
EP0653044A1 (en) * | 1992-08-10 | 1995-05-17 | Fintube Limited Partnership | Enhanced serrated fin for finned tube |
EP0854344A2 (en) * | 1997-01-20 | 1998-07-22 | Kabushiki Kaisha Toshiba | Heat exchanger |
-
1967
- 1967-12-01 FR FR1604823D patent/FR1604823A/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0091127A1 (en) * | 1982-04-06 | 1983-10-12 | Energiagazdalkodasi Intezet | Helicoidally finned tubes |
EP0653044A1 (en) * | 1992-08-10 | 1995-05-17 | Fintube Limited Partnership | Enhanced serrated fin for finned tube |
EP0653044A4 (en) * | 1992-08-10 | 1995-10-04 | Finetube Limited Partnership | TOOTHED, EXTENDED RIB FOR RIBBED TUBE. |
EP0854344A2 (en) * | 1997-01-20 | 1998-07-22 | Kabushiki Kaisha Toshiba | Heat exchanger |
EP0854344A3 (en) * | 1997-01-20 | 2000-01-26 | Kabushiki Kaisha Toshiba | Heat exchanger |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |