ZA7387B - Method of forming spiral ridges on the inside diameter of externally finned tube - Google Patents
Method of forming spiral ridges on the inside diameter of externally finned tubeInfo
- Publication number
- ZA7387B ZA7387B ZA730087A ZA7387A ZA7387B ZA 7387 B ZA7387 B ZA 7387B ZA 730087 A ZA730087 A ZA 730087A ZA 7387 A ZA7387 A ZA 7387A ZA 7387 B ZA7387 B ZA 7387B
- Authority
- ZA
- South Africa
- Prior art keywords
- inside diameter
- finned tube
- spiral ridges
- forming spiral
- externally finned
- Prior art date
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
-
- 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
- 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)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22409572A | 1972-02-07 | 1972-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA7387B true ZA7387B (en) | 1973-10-31 |
Family
ID=22839259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA730087A ZA7387B (en) | 1972-02-07 | 1973-01-14 | Method of forming spiral ridges on the inside diameter of externally finned tube |
Country Status (16)
Country | Link |
---|---|
US (1) | US3768291A (en) |
JP (1) | JPS5211670B2 (en) |
AR (1) | AR197801A1 (en) |
AT (1) | AT325388B (en) |
BR (1) | BR7300743D0 (en) |
CA (1) | CA994089A (en) |
CH (1) | CH564383A5 (en) |
DE (1) | DE2303172C3 (en) |
EG (1) | EG10817A (en) |
ES (1) | ES410790A1 (en) |
FR (1) | FR2171097B1 (en) |
GB (1) | GB1412671A (en) |
IL (1) | IL41229A (en) |
IT (1) | IT976884B (en) |
SE (1) | SE399188B (en) |
ZA (1) | ZA7387B (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4059147A (en) * | 1972-07-14 | 1977-11-22 | Universal Oil Products Company | Integral finned tube for submerged boiling applications having special O.D. and/or I.D. enhancement |
US3881342A (en) * | 1972-07-14 | 1975-05-06 | Universal Oil Prod Co | Method of making integral finned tube for submerged boiling applications having special o.d. and/or i.d. enhancement |
JPS5325379B2 (en) * | 1974-10-21 | 1978-07-26 | ||
US4366859A (en) * | 1975-04-02 | 1983-01-04 | Keyes John M | Refractory heat exchange tube |
US4161214A (en) * | 1976-11-09 | 1979-07-17 | James L. Lowe | Laundry hot water supply coil assembly |
US4118964A (en) * | 1977-05-18 | 1978-10-10 | General Electric Company | Lubricated mandrel for a finning machine |
US4343350A (en) * | 1978-08-04 | 1982-08-10 | Uop Inc. | Double wall tubing assembly and method of making same |
US4270690A (en) * | 1979-09-10 | 1981-06-02 | Combustion Engineering, Inc. | Method of forming variably rifled tubes |
US4330036A (en) * | 1980-08-21 | 1982-05-18 | Kobe Steel, Ltd. | Construction of a heat transfer wall and heat transfer pipe and method of producing heat transfer pipe |
US4336702A (en) * | 1980-09-12 | 1982-06-29 | Amado Jr Juan J | Method of and apparatus for making spiral tubes |
US4402359A (en) * | 1980-09-15 | 1983-09-06 | Noranda Mines Limited | Heat transfer device having an augmented wall surface |
US4438807A (en) * | 1981-07-02 | 1984-03-27 | Carrier Corporation | High performance heat transfer tube |
GB2124948B (en) * | 1982-07-31 | 1986-01-02 | Formflo Ltd | Ring rolling |
US4915166A (en) * | 1983-08-04 | 1990-04-10 | Wolverine Tube, Inc. | Titanium heat exchange tubes |
DE3333159A1 (en) * | 1983-09-14 | 1985-03-28 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Metallic hollow profile having an enlarged surface, and a method for its production and use |
JPH06100432B2 (en) * | 1984-06-20 | 1994-12-12 | 株式会社日立製作所 | Heat transfer tube |
US4584861A (en) * | 1984-07-03 | 1986-04-29 | Battelle Development Corporation | Knurling tool |
US4660630A (en) * | 1985-06-12 | 1987-04-28 | Wolverine Tube, Inc. | Heat transfer tube having internal ridges, and method of making same |
US5010643A (en) * | 1988-09-15 | 1991-04-30 | Carrier Corporation | High performance heat transfer tube for heat exchanger |
DE4307775A1 (en) * | 1993-03-12 | 1994-09-15 | Dynamit Nobel Ag | Method and device for producing high-strength pipes |
US6067712A (en) * | 1993-12-15 | 2000-05-30 | Olin Corporation | Heat exchange tube with embossed enhancement |
DE4446919A1 (en) * | 1994-12-28 | 1996-07-04 | Dynamit Nobel Ag | Process for the production of internally toothed parts |
US6446336B1 (en) * | 1999-09-03 | 2002-09-10 | Sunpower, Inc. | Heat exchanger and method of constructing same |
DE19963353B4 (en) | 1999-12-28 | 2004-05-27 | Wieland-Werke Ag | Heat exchanger tube structured on both sides and method for its production |
US6760972B2 (en) * | 2000-09-21 | 2004-07-13 | Packless Metal Hose, Inc. | Apparatus and methods for forming internally and externally textured tubing |
DE10156374C1 (en) * | 2001-11-16 | 2003-02-27 | Wieland Werke Ag | Heat exchange tube structured on both sides has inner fins crossed by secondary grooves at specified rise angle |
FR2836649B1 (en) * | 2002-03-01 | 2006-05-26 | Inst Francais Du Petrole | TOOL COMPRISING STACKED PLATES FOR PRINTING GROOVES ON DEFORMABLE MATERIAL |
DE10217848A1 (en) * | 2002-04-22 | 2003-11-06 | Hay Tec Automotive Gmbh & Co K | Process for the production of sliding sleeves for manual transmissions |
DE10311144B3 (en) * | 2003-03-14 | 2004-10-28 | Sms Meer Gmbh | Method for producing a tube with an internal profile and device for carrying out the method |
WO2005068927A1 (en) * | 2004-01-07 | 2005-07-28 | Dow Global Technologies Inc. | Method of manufacturing heat transfer tube |
US7021106B2 (en) * | 2004-04-15 | 2006-04-04 | Mitsui Babcock (Us) Llc | Apparatus and method for forming internally ribbed or rifled tubes |
PT1766315E (en) * | 2004-05-13 | 2010-09-28 | Wolverine Tube Inc | Retractable finning tool and method of using |
DE102005028828B3 (en) * | 2005-06-15 | 2006-12-21 | Getrag Synchrontechnik Gmbh | Method and device for producing metal rings |
US8162040B2 (en) | 2006-03-10 | 2012-04-24 | Spinworks, LLC | Heat exchanging insert and method for fabricating same |
RU2463124C2 (en) * | 2010-12-22 | 2012-10-10 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Method of making tubular articles with external and internal bulges |
DE102012010521A1 (en) * | 2012-05-25 | 2013-11-28 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Heat exchanger for motor vehicle-air conditioner, has inner pipe and housing which encloses inner pipe for forming intermediate space in partial manner, where intermediate space is passed through from heat exchanger medium |
CN103317047B (en) * | 2013-07-02 | 2014-12-03 | 山东美陵化工设备股份有限公司 | Method for rolling conical-fin condensing tubes |
GB2621596A (en) * | 2022-08-16 | 2024-02-21 | Baker Hughes Energy Tech Uk Limited | Supporting shaft |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1465073A (en) * | 1919-10-30 | 1923-08-14 | Leonard D Davis | Process of producing seamless internally-ribbed tubes |
AT232829B (en) * | 1961-03-30 | 1964-04-10 | Schmoele Metall R & G | Method and device for the production of metal or steel finned tubes intended for heat exchangers or condensers etc. |
US3187537A (en) * | 1961-12-11 | 1965-06-08 | Calumet & Hecla | Floating rotation mandrel for finning |
US3292408A (en) * | 1964-06-22 | 1966-12-20 | Babcock & Wilcox Co | Method of forming internally ribbed tubes |
US3580026A (en) * | 1968-12-17 | 1971-05-25 | Inst De Cercetari Tehnologic P | Method and apparatus for manufacturing finned pipes |
CH485189A (en) * | 1968-12-18 | 1970-01-31 | Inst Cercetari Tehnologice Pen | Process for manufacturing oval or elliptical finned tubes and tools for carrying out the process |
-
1972
- 1972-02-07 US US00224095A patent/US3768291A/en not_active Expired - Lifetime
-
1973
- 1973-01-03 IL IL41229A patent/IL41229A/en unknown
- 1973-01-12 CA CA161,121A patent/CA994089A/en not_active Expired
- 1973-01-14 ZA ZA730087A patent/ZA7387B/en unknown
- 1973-01-15 IT IT47687/73A patent/IT976884B/en active
- 1973-01-19 ES ES410790A patent/ES410790A1/en not_active Expired
- 1973-01-22 FR FR7302073A patent/FR2171097B1/fr not_active Expired
- 1973-01-23 DE DE2303172A patent/DE2303172C3/en not_active Expired
- 1973-01-25 AT AT65073A patent/AT325388B/en not_active IP Right Cessation
- 1973-01-29 JP JP48011231A patent/JPS5211670B2/ja not_active Expired
- 1973-01-30 AR AR246341A patent/AR197801A1/en active
- 1973-01-31 CH CH135273A patent/CH564383A5/xx not_active IP Right Cessation
- 1973-01-31 EG EG40/73A patent/EG10817A/en active
- 1973-01-31 BR BR73743A patent/BR7300743D0/en unknown
- 1973-02-01 GB GB501973A patent/GB1412671A/en not_active Expired
- 1973-02-01 SE SE7301403A patent/SE399188B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2171097A1 (en) | 1973-09-21 |
ES410790A1 (en) | 1976-06-16 |
SE399188B (en) | 1978-02-06 |
IL41229A0 (en) | 1973-03-30 |
IT976884B (en) | 1974-09-10 |
JPS4889160A (en) | 1973-11-21 |
CA994089A (en) | 1976-08-03 |
US3768291A (en) | 1973-10-30 |
CH564383A5 (en) | 1975-07-31 |
DE2303172A1 (en) | 1973-08-09 |
AU5143573A (en) | 1974-07-25 |
AR197801A1 (en) | 1974-05-10 |
EG10817A (en) | 1976-10-31 |
AT325388B (en) | 1975-10-27 |
GB1412671A (en) | 1975-11-05 |
DE2303172C3 (en) | 1975-09-11 |
BR7300743D0 (en) | 1973-12-13 |
JPS5211670B2 (en) | 1977-04-01 |
FR2171097B1 (en) | 1975-10-31 |
DE2303172B2 (en) | 1975-01-30 |
IL41229A (en) | 1977-01-31 |
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