GB601753A - Multiple helical finned tubing and method of manufacturing the same - Google Patents
Multiple helical finned tubing and method of manufacturing the sameInfo
- Publication number
- GB601753A GB601753A GB26516/45A GB2651645A GB601753A GB 601753 A GB601753 A GB 601753A GB 26516/45 A GB26516/45 A GB 26516/45A GB 2651645 A GB2651645 A GB 2651645A GB 601753 A GB601753 A GB 601753A
- Authority
- GB
- United Kingdom
- Prior art keywords
- finned tubing
- manufacturing
- same
- fins
- multiple helical
- Prior art date
- 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
-
- 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
- F28F1/34—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 and extending obliquely
- F28F1/36—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 and extending obliquely the means being helically wound fins or wire spirals
-
- 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)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
601,753. Rolling finned tubing. CALUMET & HECLA CONSOLIDATED COPPER CO. Oct. 10, 1945, No. 26516. Convention date, Jan. 17. [Classes 83 (ii) and 83 (iv)] Finned tubing is made by rolling simultaneously a plurality of interspersed helical fins from the tube wall. A double helical fin is made by rollers A, B, C, A<SP>1</SP>, B', C<SP>1</SP>, axially positioned by spacers G, H and arranged about the tube. Treble fins may be rolled and the fins may vary in depth.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US601753XA | 1945-01-17 | 1945-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB601753A true GB601753A (en) | 1948-05-12 |
Family
ID=22027844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB26516/45A Expired GB601753A (en) | 1945-01-17 | 1945-10-10 | Multiple helical finned tubing and method of manufacturing the same |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB601753A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE941902C (en) * | 1950-09-25 | 1956-04-19 | Calumet & Hecla | Form roll and method of making the same |
EP0203104A1 (en) * | 1984-11-29 | 1986-12-03 | Vapor Corporation | Boiler having improved heat absorption |
EP0687880A1 (en) * | 1994-06-15 | 1995-12-20 | Wieland-Werke Ag | Tube with a plurality of spiral ribs and method of manufacturing the same |
-
1945
- 1945-10-10 GB GB26516/45A patent/GB601753A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE941902C (en) * | 1950-09-25 | 1956-04-19 | Calumet & Hecla | Form roll and method of making the same |
EP0203104A1 (en) * | 1984-11-29 | 1986-12-03 | Vapor Corporation | Boiler having improved heat absorption |
EP0203104A4 (en) * | 1984-11-29 | 1987-09-02 | Vapor Corp | Boiler having improved heat absorption. |
EP0687880A1 (en) * | 1994-06-15 | 1995-12-20 | Wieland-Werke Ag | Tube with a plurality of spiral ribs and method of manufacturing the same |
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