NL6405270A - - Google Patents
Info
- Publication number
- NL6405270A NL6405270A NL6405270A NL6405270A NL6405270A NL 6405270 A NL6405270 A NL 6405270A NL 6405270 A NL6405270 A NL 6405270A NL 6405270 A NL6405270 A NL 6405270A NL 6405270 A NL6405270 A NL 6405270A
- 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
- 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
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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
- B21C37/20—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
- B21C37/207—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 helical guides
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- 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
- B21J5/12—Forming profiles on internal or external surfaces
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
- Metal Extraction Processes (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR934667A FR1373675A (fr) | 1963-05-13 | 1963-05-13 | Dispositif pour le forgeage de tubes à ailettes |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6405270A true NL6405270A (xx) | 1964-11-16 |
Family
ID=8803729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6405270A NL6405270A (xx) | 1963-05-13 | 1964-05-12 |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE647815A (xx) |
CH (1) | CH414507A (xx) |
DE (1) | DE1452241A1 (xx) |
ES (1) | ES299731A1 (xx) |
FR (1) | FR1373675A (xx) |
GB (1) | GB1006644A (xx) |
LU (1) | LU46044A1 (xx) |
NL (1) | NL6405270A (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5088399A (en) * | 1990-09-21 | 1992-02-18 | Camborne Industries Plc | Apparatus for compacting scrap metal |
CN113634998B (zh) * | 2021-08-26 | 2023-02-07 | 泰州驰骏智能设备有限公司 | 一种工件无自转的翅片管加工方法 |
-
0
- BE BE647815D patent/BE647815A/xx unknown
-
1963
- 1963-05-13 FR FR934667A patent/FR1373675A/fr not_active Expired
-
1964
- 1964-04-27 GB GB17406/64A patent/GB1006644A/en not_active Expired
- 1964-05-08 LU LU46044D patent/LU46044A1/xx unknown
- 1964-05-12 NL NL6405270A patent/NL6405270A/xx unknown
- 1964-05-12 CH CH613764A patent/CH414507A/fr unknown
- 1964-05-12 ES ES299731A patent/ES299731A1/es not_active Expired
- 1964-05-13 DE DE19641452241 patent/DE1452241A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
LU46044A1 (xx) | 1972-01-01 |
ES299731A1 (es) | 1964-07-01 |
BE647815A (xx) | |
FR1373675A (fr) | 1964-10-02 |
GB1006644A (en) | 1965-10-06 |
CH414507A (fr) | 1966-06-15 |
DE1452241A1 (de) | 1969-01-30 |