RO91020A - Procedeu de realizare a tuburilor bimetalice cu aripioare - Google Patents
Procedeu de realizare a tuburilor bimetalice cu aripioareInfo
- Publication number
- RO91020A RO91020A RO84114308A RO11430884A RO91020A RO 91020 A RO91020 A RO 91020A RO 84114308 A RO84114308 A RO 84114308A RO 11430884 A RO11430884 A RO 11430884A RO 91020 A RO91020 A RO 91020A
- Authority
- RO
- Romania
- Prior art keywords
- fins
- bimetallic tubes
- making bimetallic
- making
- tubes
- 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
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Extrusion Of Metal (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Metal Extraction Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24162383A PL139850B1 (en) | 1983-04-23 | 1983-04-23 | Method of drawing of fins on bimetal pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
RO91020A true RO91020A (ro) | 1987-09-30 |
RO91020B RO91020B (ro) | 1987-10-01 |
Family
ID=20016747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO114308A RO91020B (ro) | 1983-04-23 | 1984-04-18 | Procedeu de realizare a tuburilor bimetalice cu aripioare |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0124026B1 (ro) |
CS (1) | CS249134B2 (ro) |
DE (1) | DE3474525D1 (ro) |
HU (1) | HU191559B (ro) |
PL (1) | PL139850B1 (ro) |
RO (1) | RO91020B (ro) |
SU (1) | SU1428184A3 (ro) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR932059A (fr) * | 1946-08-08 | 1948-03-11 | Perfectionnement apporté dans la fabrication des tuyaux à ailettes et produit industriel nouveau en résultant | |
GB897635A (en) * | 1960-01-30 | 1962-05-30 | Howell & Company Ltd | Manufacture of composite metal tubes |
DE1452518A1 (de) * | 1964-12-09 | 1969-05-29 | Vni I P Ki Metall Mash | Walze zur Herstellung von gerippten Rohren |
PL139848B1 (en) * | 1983-03-31 | 1987-02-28 | Zaklady Urzadzen Chem | Method of pressing of fins on pipes |
-
1983
- 1983-04-23 PL PL24162383A patent/PL139850B1/pl unknown
-
1984
- 1984-04-17 SU SU843725407A patent/SU1428184A3/ru active
- 1984-04-18 HU HU150084A patent/HU191559B/hu not_active IP Right Cessation
- 1984-04-18 RO RO114308A patent/RO91020B/ro unknown
- 1984-04-18 DE DE8484104413T patent/DE3474525D1/de not_active Expired
- 1984-04-18 EP EP84104413A patent/EP0124026B1/en not_active Expired
- 1984-04-18 CS CS292984A patent/CS249134B2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
EP0124026A2 (en) | 1984-11-07 |
EP0124026B1 (en) | 1988-10-12 |
HUT38273A (en) | 1986-05-28 |
PL241623A1 (en) | 1984-11-08 |
HU191559B (en) | 1987-03-30 |
SU1428184A3 (ru) | 1988-09-30 |
RO91020B (ro) | 1987-10-01 |
PL139850B1 (en) | 1987-02-28 |
DE3474525D1 (en) | 1988-11-17 |
CS249134B2 (en) | 1987-03-12 |
EP0124026A3 (en) | 1985-03-20 |
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