JPS50102805A - - Google Patents
Info
- Publication number
- JPS50102805A JPS50102805A JP50005648A JP564875A JPS50102805A JP S50102805 A JPS50102805 A JP S50102805A JP 50005648 A JP50005648 A JP 50005648A JP 564875 A JP564875 A JP 564875A JP S50102805 A JPS50102805 A JP S50102805A
- 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.)
- Granted
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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
- Y10T29/49382—Helically finned
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
- Y10T29/49385—Made from unitary workpiece, i.e., no assembly
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00434955A US3855832A (en) | 1974-01-21 | 1974-01-21 | Method of and apparatus for manufacturing integral finned tubing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50102805A true JPS50102805A (en) | 1975-08-14 |
| JPS5325921B2 JPS5325921B2 (en) | 1978-07-29 |
Family
ID=23726395
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49101280A Pending JPS50104167A (en) | 1974-01-21 | 1974-09-03 | |
| JP564875A Expired JPS5325921B2 (en) | 1974-01-21 | 1975-01-13 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49101280A Pending JPS50104167A (en) | 1974-01-21 | 1974-09-03 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3855832A (en) |
| JP (2) | JPS50104167A (en) |
| DE (1) | DE2441685A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394593A (en) * | 1980-08-14 | 1983-07-19 | Tokyo Shibaura Denki Kabushiki Kaisha | Liquid cooled dynamoelectric machines |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698412B2 (en) * | 1989-01-10 | 1994-12-07 | 新日本製鐵株式会社 | Multi-row fining machine for tuber |
| JPH0498726U (en) * | 1991-01-22 | 1992-08-26 | ||
| DE4420756C1 (en) * | 1994-06-15 | 1995-11-30 | Wieland Werke Ag | Ribbed heat exchanger tube |
| CN103191979B (en) * | 2013-03-27 | 2015-04-01 | 金龙精密铜管集团股份有限公司 | Combined cutting tool for processing finned tube |
| CN103223453A (en) | 2013-03-31 | 2013-07-31 | 上海泛华紧固系统有限公司 | Method and device for directly rolling steel pipe standard outer diameter to form taper pipe external thread, and product of taper pipe external thread |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2508517A (en) * | 1945-10-01 | 1950-05-23 | Calumet And Hecla Cons Copper | Method of forming integral fins on tubing |
| US3132545A (en) * | 1960-05-20 | 1964-05-12 | Vincenzo S Arata | Cycloidal rolling mill |
| BE669560A (en) * | 1964-12-28 | |||
| US3735617A (en) * | 1970-10-19 | 1973-05-29 | Siemag Siegener Masch Bau | Rolling mill |
-
1974
- 1974-01-21 US US00434955A patent/US3855832A/en not_active Expired - Lifetime
- 1974-08-30 DE DE2441685A patent/DE2441685A1/en active Pending
- 1974-09-03 JP JP49101280A patent/JPS50104167A/ja active Pending
-
1975
- 1975-01-13 JP JP564875A patent/JPS5325921B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394593A (en) * | 1980-08-14 | 1983-07-19 | Tokyo Shibaura Denki Kabushiki Kaisha | Liquid cooled dynamoelectric machines |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50104167A (en) | 1975-08-16 |
| US3855832A (en) | 1974-12-24 |
| DE2441685A1 (en) | 1975-07-24 |
| JPS5325921B2 (en) | 1978-07-29 |