LU73239A1 - - Google Patents
Info
- Publication number
- LU73239A1 LU73239A1 LU73239A LU73239A LU73239A1 LU 73239 A1 LU73239 A1 LU 73239A1 LU 73239 A LU73239 A LU 73239A LU 73239 A LU73239 A LU 73239A LU 73239 A1 LU73239 A1 LU 73239A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/12—Making helical bodies or bodies having parts of helical shape articles with helicoidal surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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 or tubes with decorated walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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 or 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 or tubes with decorated walls with helical guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
- B21H7/14—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons knurled articles
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US499344A US3893322A (en) | 1974-08-21 | 1974-08-21 | Method for providing improved nucleate boiling surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU73239A1 true LU73239A1 (cg-RX-API-DMAC7.html) | 1976-03-02 |
Family
ID=23984909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU73239A LU73239A1 (cg-RX-API-DMAC7.html) | 1974-08-21 | 1975-08-21 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3893322A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5244865B2 (cg-RX-API-DMAC7.html) |
| AU (1) | AU497204B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR7503428A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1038145A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2532143A1 (cg-RX-API-DMAC7.html) |
| EG (1) | EG12085A (cg-RX-API-DMAC7.html) |
| ES (1) | ES437398A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2282615A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1508483A (cg-RX-API-DMAC7.html) |
| IL (1) | IL47217A (cg-RX-API-DMAC7.html) |
| IN (1) | IN144415B (cg-RX-API-DMAC7.html) |
| IT (1) | IT1036968B (cg-RX-API-DMAC7.html) |
| LU (1) | LU73239A1 (cg-RX-API-DMAC7.html) |
| NL (1) | NL7507247A (cg-RX-API-DMAC7.html) |
| PH (1) | PH12085A (cg-RX-API-DMAC7.html) |
| SE (1) | SE7506689L (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA752812B (cg-RX-API-DMAC7.html) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4040479A (en) * | 1975-09-03 | 1977-08-09 | Uop Inc. | Finned tubing having enhanced nucleate boiling surface |
| CA1155107A (en) * | 1981-02-11 | 1983-10-11 | Theodore C. Carnavos | Heat transfer boiling surface |
| EP0144460A1 (de) * | 1983-12-10 | 1985-06-19 | Wieland-Werke AG | Verfahren zur Herstellung eines Wärmeübertragungsrohres |
| EP0222100B1 (de) * | 1985-10-31 | 1989-08-09 | Wieland-Werke Ag | Rippenrohr mit eingekerbtem Nutengrund und Verfahren zu dessen Herstellung |
| JPS62144195U (cg-RX-API-DMAC7.html) * | 1986-03-06 | 1987-09-11 | ||
| IT1273366B (it) * | 1994-03-04 | 1997-07-08 | G R B S N C Di Grotti Renzo & | Cilindro di congelamento con evaporatore incorporato e metodo per la sua fabbricazione |
| US6760972B2 (en) * | 2000-09-21 | 2004-07-13 | Packless Metal Hose, Inc. | Apparatus and methods for forming internally and externally textured tubing |
| DE102005052972A1 (de) * | 2004-11-09 | 2006-06-14 | Denso Corp., Kariya | Doppelwandiges Rohr und dieses verwendende Kühlkreisvorrichtung |
| DK177178B1 (en) * | 2011-01-06 | 2012-05-07 | Tetra Laval Holdings & Finance | Optimized surface for freezing cylinder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2150815A (en) * | 1937-09-30 | 1939-03-14 | Berger Kornel | Screw-threaded stock and manufacture of same |
| US3326283A (en) * | 1965-03-29 | 1967-06-20 | Trane Co | Heat transfer surface |
| US3602027A (en) * | 1969-04-01 | 1971-08-31 | Trane Co | Simultaneous finning and reforming of tubular heat transfer surface |
-
1974
- 1974-08-21 US US499344A patent/US3893322A/en not_active Expired - Lifetime
-
1975
- 1975-04-29 CA CA225,725A patent/CA1038145A/en not_active Expired
- 1975-04-30 ZA ZA00752812A patent/ZA752812B/xx unknown
- 1975-05-01 IL IL47217A patent/IL47217A/xx unknown
- 1975-05-02 ES ES437398A patent/ES437398A1/es not_active Expired
- 1975-05-02 IN IN889/CAL/75A patent/IN144415B/en unknown
- 1975-05-05 AU AU80822/75A patent/AU497204B2/en not_active Expired
- 1975-05-09 PH PH17154A patent/PH12085A/en unknown
- 1975-05-21 GB GB21758/75A patent/GB1508483A/en not_active Expired
- 1975-05-30 JP JP50065245A patent/JPS5244865B2/ja not_active Expired
- 1975-05-30 BR BR4392/75D patent/BR7503428A/pt unknown
- 1975-06-11 SE SE7506689A patent/SE7506689L/xx unknown
- 1975-06-11 IT IT50020/75A patent/IT1036968B/it active
- 1975-06-18 NL NL7507247A patent/NL7507247A/xx active Search and Examination
- 1975-07-18 DE DE19752532143 patent/DE2532143A1/de not_active Withdrawn
- 1975-07-31 FR FR7523937A patent/FR2282615A1/fr active Granted
- 1975-08-10 EG EG483/75A patent/EG12085A/xx active
- 1975-08-21 LU LU73239A patent/LU73239A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU497204B2 (en) | 1978-12-07 |
| US3893322A (en) | 1975-07-08 |
| IN144415B (cg-RX-API-DMAC7.html) | 1978-05-06 |
| DE2532143A1 (de) | 1976-03-04 |
| JPS5126674A (cg-RX-API-DMAC7.html) | 1976-03-05 |
| NL7507247A (nl) | 1976-02-24 |
| FR2282615A1 (fr) | 1976-03-19 |
| CA1038145A (en) | 1978-09-12 |
| IT1036968B (it) | 1979-10-30 |
| FR2282615B1 (cg-RX-API-DMAC7.html) | 1980-05-09 |
| BR7503428A (pt) | 1976-08-03 |
| PH12085A (en) | 1978-10-30 |
| ES437398A1 (es) | 1977-01-16 |
| IL47217A0 (en) | 1975-07-28 |
| GB1508483A (en) | 1978-04-26 |
| JPS5244865B2 (cg-RX-API-DMAC7.html) | 1977-11-11 |
| SE7506689L (sv) | 1976-02-23 |
| IL47217A (en) | 1978-03-10 |
| AU8082275A (en) | 1976-11-11 |
| ZA752812B (en) | 1976-04-28 |
| EG12085A (en) | 1978-06-30 |