FR2280448B2 - - Google Patents
Info
- Publication number
- FR2280448B2 FR2280448B2 FR7522746A FR7522746A FR2280448B2 FR 2280448 B2 FR2280448 B2 FR 2280448B2 FR 7522746 A FR7522746 A FR 7522746A FR 7522746 A FR7522746 A FR 7522746A FR 2280448 B2 FR2280448 B2 FR 2280448B2
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C3/00—Making tubes or pipes by feeding obliquely to the winding mandrel centre line
-
- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2313436A DE2313436C3 (de) | 1973-03-17 | 1973-03-17 | Verfahren zum wendeiförmigen Aufwickeln von Band auf Rohre mit ovalem Querschnitt sowie Vorrichtung zur Ausübung des Verfahrens |
DE19742436768 DE2436768C3 (de) | 1974-07-31 | Verfahren zum wendeiförmigen Aufwickeln von Band auf Rohre, insbesondere mit ovalem Querschnitt und Vorrichtung zur Ausübung des Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2280448A2 FR2280448A2 (fr) | 1976-02-27 |
FR2280448B2 true FR2280448B2 (de) | 1978-10-27 |
Family
ID=25764845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7522746A Granted FR2280448A2 (fr) | 1973-03-17 | 1975-07-21 | Procede et dispositif d'enroulement en helice de bandes sur deux tuyaux en particulier de section ovale |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT342393B (de) |
BE (1) | BE831892R (de) |
CH (1) | CH585592A5 (de) |
FR (1) | FR2280448A2 (de) |
GB (1) | GB1452879A (de) |
NL (1) | NL165082C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4301829C2 (de) * | 1993-01-23 | 1996-02-08 | Balcke Duerr Ag | Verfahren und Vorrichtung zum Bewickeln von Rohren mit ovalem oder elliptischem Querschnitt |
CN113510971A (zh) * | 2021-06-21 | 2021-10-19 | 湖北克拉弗特实业有限公司 | 一种全自动纸质吸管的卷绕装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1092633A (en) * | 1964-03-20 | 1967-11-29 | Tube Prod Ltd | Improvements relating to the welding of fins to tubes |
FR1532309A (fr) * | 1967-02-15 | 1968-07-12 | Biraghi Fab Ets | Procédé de fabrication d'un tube à ailettes pour échanges thermiques, et machinepour la mise en oeuvre de ce procédé |
-
1975
- 1975-06-17 CH CH787575A patent/CH585592A5/xx not_active IP Right Cessation
- 1975-07-09 NL NL7508192A patent/NL165082C/xx active
- 1975-07-16 AT AT549275A patent/AT342393B/de not_active IP Right Cessation
- 1975-07-21 FR FR7522746A patent/FR2280448A2/fr active Granted
- 1975-07-22 GB GB3051575A patent/GB1452879A/en not_active Expired
- 1975-07-29 BE BE6045119A patent/BE831892R/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7508192A (nl) | 1976-02-03 |
NL165082B (nl) | 1980-10-15 |
AT342393B (de) | 1978-03-28 |
BE831892R (fr) | 1975-11-17 |
FR2280448A2 (fr) | 1976-02-27 |
DE2436768B2 (de) | 1976-12-16 |
DE2436768A1 (de) | 1976-02-19 |
NL165082C (nl) | 1981-03-16 |
ATA549275A (de) | 1977-07-15 |
CH585592A5 (de) | 1977-03-15 |
GB1452879A (en) | 1976-10-20 |