JPS5069641A - - Google Patents
Info
- Publication number
- JPS5069641A JPS5069641A JP49080074A JP8007474A JPS5069641A JP S5069641 A JPS5069641 A JP S5069641A JP 49080074 A JP49080074 A JP 49080074A JP 8007474 A JP8007474 A JP 8007474A JP S5069641 A JPS5069641 A JP S5069641A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- B21C37/205—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 with annular guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/068—Shaving, skiving or scarifying for forming lifted portions, e.g. slices or barbs, on the surface of the material
-
- 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
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
- F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3471570A | 1970-05-05 | 1970-05-05 | |
US6891070A | 1970-09-02 | 1970-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5069641A true JPS5069641A (ja) | 1975-06-10 |
Family
ID=26711283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49080074A Pending JPS5069641A (ja) | 1970-05-05 | 1974-07-12 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5069641A (ja) |
CA (1) | CA934750A (ja) |
DE (1) | DE2116358C3 (ja) |
GB (1) | GB1305667A (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3850236A (en) * | 1973-03-26 | 1974-11-26 | Peerless Of America | Heat exchangers |
US3901312A (en) * | 1974-02-01 | 1975-08-26 | Peerless Of America | Heat exchangers and method of making same |
US4195688A (en) * | 1975-01-13 | 1980-04-01 | Hitachi, Ltd. | Heat-transfer wall for condensation and method of manufacturing the same |
US3947941A (en) * | 1975-01-14 | 1976-04-06 | Peerless Of America, Incorporated | Method of making a heat exchanger |
JPS538855A (en) * | 1976-07-13 | 1978-01-26 | Hitachi Cable Ltd | Condensing heat transmission wall |
US4298062A (en) * | 1978-12-18 | 1981-11-03 | Peerless Of America, Inc. | Heat exchangers and method of making same |
US4554970A (en) * | 1982-06-10 | 1985-11-26 | Peerless Of America, Inc. | Heat exchangers and method of making same |
CN104048542A (zh) * | 2014-06-25 | 2014-09-17 | 上海理工大学 | 平齿翅片扁圆换热管 |
CN104075606A (zh) * | 2014-06-25 | 2014-10-01 | 上海理工大学 | 扭齿翅片扁圆换热管 |
CN104048545A (zh) * | 2014-06-25 | 2014-09-17 | 上海理工大学 | 矩形平齿翅片管及矩形平齿翅片管换热管束 |
-
1971
- 1971-03-08 CA CA107165A patent/CA934750A/en not_active Expired
- 1971-03-26 DE DE2116358A patent/DE2116358C3/de not_active Expired
- 1971-04-19 GB GB2461171*A patent/GB1305667A/en not_active Expired
-
1974
- 1974-07-12 JP JP49080074A patent/JPS5069641A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2116358C3 (de) | 1979-10-31 |
CA934750A (en) | 1973-10-02 |
DE2116358A1 (de) | 1971-11-25 |
DE2116358B2 (de) | 1979-03-08 |
GB1305667A (ja) | 1973-02-07 |