HUT38068A - Method for producing lamellar tubes - Google Patents
Method for producing lamellar tubesInfo
- Publication number
- HUT38068A HUT38068A HU129784A HU129784A HUT38068A HU T38068 A HUT38068 A HU T38068A HU 129784 A HU129784 A HU 129784A HU 129784 A HU129784 A HU 129784A HU T38068 A HUT38068 A HU T38068A
- Authority
- HU
- Hungary
- Prior art keywords
- tubes
- producing lamellar
- producing
- lamellar tubes
- lamellar
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24132383A PL139848B1 (en) | 1983-03-31 | 1983-03-31 | Method of pressing of fins on pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
HUT38068A true HUT38068A (en) | 1986-04-28 |
HU192046B HU192046B (en) | 1987-05-28 |
Family
ID=20016488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU129784A HU192046B (en) | 1983-03-31 | 1984-03-30 | Method for producing lamellar tubes |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0123923B1 (en) |
CS (1) | CS247175B2 (en) |
DE (1) | DE3460598D1 (en) |
HU (1) | HU192046B (en) |
PL (1) | PL139848B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL139850B1 (en) * | 1983-04-23 | 1987-02-28 | Zakl Urzadzen Chem Metalchem | Method of drawing of fins on bimetal pipes |
CA1247592A (en) * | 1983-08-04 | 1988-12-28 | James L. Cunningham | Finned heat exchanger tubes and method and apparatus for making same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2463997A (en) * | 1944-06-19 | 1949-03-08 | Calumet And Hecla Cons Copper | Method of making integral external and internal finned tubing |
US2508517A (en) * | 1945-10-01 | 1950-05-23 | Calumet And Hecla Cons Copper | Method of forming integral fins on tubing |
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 |
US3868754A (en) * | 1973-09-21 | 1975-03-04 | Hatsuo Kawano | Method of manufacturing a finned-tube heat exchanger |
US4353234A (en) * | 1977-07-13 | 1982-10-12 | Carrier Corporation | Heat transfer surface and method of manufacture |
-
1983
- 1983-03-31 PL PL24132383A patent/PL139848B1/en unknown
-
1984
- 1984-03-30 EP EP19840103536 patent/EP0123923B1/en not_active Expired
- 1984-03-30 CS CS243284A patent/CS247175B2/en unknown
- 1984-03-30 DE DE8484103536T patent/DE3460598D1/en not_active Expired
- 1984-03-30 HU HU129784A patent/HU192046B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0123923A1 (en) | 1984-11-07 |
PL139848B1 (en) | 1987-02-28 |
HU192046B (en) | 1987-05-28 |
EP0123923B1 (en) | 1986-09-03 |
DE3460598D1 (en) | 1986-10-09 |
PL241323A1 (en) | 1984-10-08 |
CS247175B2 (en) | 1986-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HU90 | Patent valid on 900628 | ||
HMM4 | Cancellation of final prot. due to non-payment of fee |