FR2349812B1 - - Google Patents
Info
- Publication number
- FR2349812B1 FR2349812B1 FR7712791A FR7712791A FR2349812B1 FR 2349812 B1 FR2349812 B1 FR 2349812B1 FR 7712791 A FR7712791 A FR 7712791A FR 7712791 A FR7712791 A FR 7712791A FR 2349812 B1 FR2349812 B1 FR 2349812B1
- 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
-
- 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
-
- 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
- B21C37/151—Making tubes with multiple passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68100676A | 1976-04-28 | 1976-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2349812A1 FR2349812A1 (en) | 1977-11-25 |
FR2349812B1 true FR2349812B1 (en) | 1980-04-25 |
Family
ID=24733400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712791A Granted FR2349812A1 (en) | 1976-04-28 | 1977-04-27 | HEAT TRANSMISSION TUBE AND ITS MANUFACTURING PROCESS |
Country Status (18)
Country | Link |
---|---|
JP (1) | JPS52133156A (en) |
AR (1) | AR212360A1 (en) |
AU (1) | AU510153B2 (en) |
BE (1) | BE853787A (en) |
BR (1) | BR7702662A (en) |
CA (1) | CA1096147A (en) |
DE (1) | DE2717802B2 (en) |
ES (1) | ES458227A1 (en) |
FR (1) | FR2349812A1 (en) |
GB (1) | GB1572475A (en) |
IN (1) | IN146417B (en) |
IT (1) | IT1115901B (en) |
LU (1) | LU77201A1 (en) |
MX (1) | MX144667A (en) |
NL (1) | NL7704575A (en) |
PH (1) | PH17527A (en) |
SU (1) | SU724092A3 (en) |
ZA (1) | ZA772383B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2522548B1 (en) * | 1982-03-05 | 1985-09-06 | Kuibyshevsky Aviat Institu | METHOD FOR MANUFACTURING MULTI-CHANNEL TUBES, DIE FOR IMPLEMENTING SAME, AND MULTI-CHANNEL TUBES OBTAINED BY SAID METHOD |
JPS63126780U (en) * | 1987-02-05 | 1988-08-18 | ||
GB9315346D0 (en) * | 1993-07-23 | 1993-09-08 | Marshall Graeme D | Fluid channelling means for use in heat transfer apparatus, and a method of producing fluid channelling means |
AT405881B (en) * | 1998-03-05 | 1999-12-27 | Vaillant Gmbh | HEAT EXCHANGER |
KR100469321B1 (en) * | 2001-12-08 | 2005-02-02 | 핀튜브텍(주) | A Fin-Tube Type Heat Exchanger And Manufacturing Method Thereof |
KR20020048366A (en) * | 2002-06-04 | 2002-06-22 | 핀튜브텍(주) | Fin tube type heat exchanger and airconditioner and refrigerator using the heat exchanger |
KR20030038599A (en) * | 2003-04-16 | 2003-05-16 | 위성점 | A pipe for a refrigerating machine |
GB2604379B (en) * | 2021-03-04 | 2024-01-03 | Free Running Buildings Ltd | Heat Exchanger for Building Ventilator |
-
1977
- 1977-04-18 CA CA276,390A patent/CA1096147A/en not_active Expired
- 1977-04-20 ZA ZA00772383A patent/ZA772383B/en unknown
- 1977-04-21 BE BE176869A patent/BE853787A/en not_active IP Right Cessation
- 1977-04-21 DE DE2717802A patent/DE2717802B2/en not_active Withdrawn
- 1977-04-21 AU AU24475/77A patent/AU510153B2/en not_active Expired
- 1977-04-22 IN IN611/CAL/77A patent/IN146417B/en unknown
- 1977-04-25 PH PH19704A patent/PH17527A/en unknown
- 1977-04-26 LU LU77201A patent/LU77201A1/xx unknown
- 1977-04-27 FR FR7712791A patent/FR2349812A1/en active Granted
- 1977-04-27 IT IT49154/77A patent/IT1115901B/en active
- 1977-04-27 GB GB17512/77A patent/GB1572475A/en not_active Expired
- 1977-04-27 ES ES458227A patent/ES458227A1/en not_active Expired
- 1977-04-27 BR BR7702662A patent/BR7702662A/en unknown
- 1977-04-27 SU SU772477003A patent/SU724092A3/en active
- 1977-04-27 NL NL7704575A patent/NL7704575A/en not_active Application Discontinuation
- 1977-04-27 MX MX168920A patent/MX144667A/en unknown
- 1977-04-28 JP JP4976677A patent/JPS52133156A/en active Pending
- 1977-04-28 AR AR267390A patent/AR212360A1/en active
Also Published As
Publication number | Publication date |
---|---|
CA1096147A (en) | 1981-02-24 |
JPS52133156A (en) | 1977-11-08 |
PH17527A (en) | 1984-09-13 |
FR2349812A1 (en) | 1977-11-25 |
NL7704575A (en) | 1977-11-01 |
ZA772383B (en) | 1978-03-29 |
DE2717802B2 (en) | 1981-02-05 |
AR212360A1 (en) | 1978-06-30 |
IT1115901B (en) | 1986-02-10 |
BE853787A (en) | 1977-08-16 |
AU2447577A (en) | 1978-10-26 |
MX144667A (en) | 1981-11-09 |
SU724092A3 (en) | 1980-03-25 |
BR7702662A (en) | 1978-01-17 |
DE2717802A1 (en) | 1977-11-17 |
AU510153B2 (en) | 1980-06-12 |
ES458227A1 (en) | 1978-02-16 |
IN146417B (en) | 1979-05-26 |
GB1572475A (en) | 1980-07-30 |
LU77201A1 (en) | 1977-08-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |