DE3508878C2 - - Google Patents
Info
- Publication number
- DE3508878C2 DE3508878C2 DE19853508878 DE3508878A DE3508878C2 DE 3508878 C2 DE3508878 C2 DE 3508878C2 DE 19853508878 DE19853508878 DE 19853508878 DE 3508878 A DE3508878 A DE 3508878A DE 3508878 C2 DE3508878 C2 DE 3508878C2
- Authority
- DE
- Germany
- Prior art keywords
- tubular body
- ribs
- welding
- weld
- rib
- 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 - Fee Related
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
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/032—Seam welding; Backing means; Inserts for three-dimensional seams
- B23K9/0325—Seam welding; Backing means; Inserts for three-dimensional seams helicoidal seams
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853508878 DE3508878A1 (de) | 1984-03-20 | 1985-03-13 | Spiral-rippenrohr |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8408429 | 1984-03-20 | ||
DE19853508878 DE3508878A1 (de) | 1984-03-20 | 1985-03-13 | Spiral-rippenrohr |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3508878A1 DE3508878A1 (de) | 1985-10-03 |
DE3508878C2 true DE3508878C2 (sv) | 1990-01-04 |
Family
ID=25830255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853508878 Granted DE3508878A1 (de) | 1984-03-20 | 1985-03-13 | Spiral-rippenrohr |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3508878A1 (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4223569C1 (sv) * | 1991-08-03 | 1993-02-04 | Rosink App & Anlagenbau Gmbh |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3726677A1 (de) * | 1987-08-11 | 1989-02-23 | Schmoele Metall R & G | Verfahren und vorrichtung zur herstellung von waermetauscherrohren |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1368939A (fr) * | 1963-06-28 | 1964-08-07 | Alsthom Cgee | Tube d'échangeur de chaleur à ailette soudée |
-
1985
- 1985-03-13 DE DE19853508878 patent/DE3508878A1/de active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4223569C1 (sv) * | 1991-08-03 | 1993-02-04 | Rosink App & Anlagenbau Gmbh |
Also Published As
Publication number | Publication date |
---|---|
DE3508878A1 (de) | 1985-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3008967C2 (de) | Hochdruck-Metalldampfentladungslampe | |
DE970422C (de) | Verfahren zum elektrischen Stumpfschweissen von Rohren und anderen geschlossenen und offenen Profilen und Einrichtung zur Durchfuehrung des Verfahrens | |
DE2324810C3 (de) | Vorrichtung zum Heißversiegeln von thermoplastischen Folien oder mit thermoplastischem Kunststoff beschichteten Papier durch dielektrische Erhitzung | |
DE2029076A1 (de) | Supraleiter und Verfahren zu deren Herstellung | |
DE2314347C3 (de) | Verfahren und Vorrichtung zum Querverschweißen eines biegsamen Tubenkörpers aus Schichtfolie | |
DE3508878C2 (sv) | ||
DE3149236A1 (de) | Schweisswerkzeug | |
DE3306001C2 (sv) | ||
DE8408429U1 (de) | Spiral-Rippenrohr | |
DE2549006C3 (de) | Elektrisches Heizelement | |
DE909848C (de) | Elektrischer Rohrheizkoerper mit Blechrippen | |
DE102020116526A1 (de) | Verfahren zur Herstellung eines Rippenrohres und Rippenrohr | |
DE9102944U1 (de) | Rippenrohr | |
DE2525367A1 (de) | Rohrheizkoerper | |
CH631650A5 (en) | Device for heat sealing and severing and welding thin layers of thermoplastics, in particular tubular films or film webs | |
CH658959A5 (en) | Asynchronous rotor | |
DE2530059C3 (de) | Hitzdrahtgerät, insbesondere Hitzdrahtblinkgeber für Kraftfahrzeuge | |
DE69300646T2 (de) | Verfahren zur Herstellung eines Durchlauferhitzers für Ausgabevorrichtung für warme Getränke. | |
DE2532447B2 (de) | Verfahren zur maschinellen Herstellung von Rohren und Rohrbogen aus Zinkblech und Vorrichtung zur Durchführung dieses Verfahrens | |
DE29506092U1 (de) | Heizkörper | |
DE1097391B (de) | Verfahren und Vorrichtung zum kontinuierlichen Herstellen von rohrfoermigen und offenen, aus mehreren Teilprofilen zusammengefuegten und laengsnahtverschweissten Profilen | |
CH368840A (de) | Verfahren und Vorrichtung zum Umhüllen eines Kabels mit einem Metallmantel | |
DE1527769A1 (de) | Verfahren zur Herstellung eines gerippten Rohres fuer Waermeaustauscher und Vorrichtung fuer die Herstellung eines nach diesem Verfahren gebildeten gerippten Rohres | |
DE1925087C (sv) | ||
DE2153179C3 (de) | Vorrichtung zum kontinuierlichen induktiven Längs- oder Spiralnahtschweißen von Metallrohren |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: F28F 1/36 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |