RO75232A - Piece tubulaire et procede de realisation - Google Patents
Piece tubulaire et procede de realisationInfo
- Publication number
- RO75232A RO75232A RO7791923A RO9192377A RO75232A RO 75232 A RO75232 A RO 75232A RO 7791923 A RO7791923 A RO 7791923A RO 9192377 A RO9192377 A RO 9192377A RO 75232 A RO75232 A RO 75232A
- Authority
- RO
- Romania
- Prior art keywords
- making
- tubular piece
- tubular
- piece
- Prior art date
Links
Classifications
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- 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
- B21C37/16—Making tubes with varying diameter in longitudinal direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7632702A FR2369027A1 (fr) | 1976-10-29 | 1976-10-29 | Piece tubulaire dont les diametres et les epaisseurs ne sont pas constants sur toute leur longueu |
Publications (1)
Publication Number | Publication Date |
---|---|
RO75232A true RO75232A (fr) | 1980-12-30 |
Family
ID=9179375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7791923A RO75232A (fr) | 1976-10-29 | 1977-10-28 | Piece tubulaire et procede de realisation |
Country Status (10)
Country | Link |
---|---|
BE (1) | BE860121A (fr) |
DE (1) | DE2741071C2 (fr) |
ES (1) | ES463011A1 (fr) |
FR (1) | FR2369027A1 (fr) |
GB (1) | GB1566582A (fr) |
IT (1) | IT1090228B (fr) |
LU (1) | LU78398A1 (fr) |
NL (1) | NL186493C (fr) |
RO (1) | RO75232A (fr) |
YU (1) | YU254677A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU928745A1 (ru) * | 1979-05-22 | 1983-06-07 | Запорожский Проектно-Конструкторский И Технологический Институт | Система управлени гидравлическим прессом |
FR2529983A1 (fr) * | 1982-07-09 | 1984-01-13 | Vallourec | Cremaillere de direction pour vehicules automobiles |
GB2124935B (en) * | 1982-07-21 | 1985-08-14 | Cam Gears Ltd | A piston and cylinder assembly a power assisted steering gear which includes such an assembly and a method of forming a piston for such an assembly |
FR2534159B1 (fr) * | 1982-10-08 | 1986-05-16 | Piercy Jean | Procede de fabrication de pieces cylindriques, notamment de pieces creuses, et machine pour sa mise en oeuvre |
FR2544271B1 (fr) * | 1983-04-15 | 1988-09-09 | Peugeot Cycles | Axe de volant pour colonne de direction de vehicule automobile |
IT1160132B (it) * | 1983-12-14 | 1987-03-04 | Tubi Italia Spa | Procedimento per la preparazione di comchiglie tubolari destinate ad impianti per la colata continua di acciaio |
DE3412486C2 (de) * | 1984-04-03 | 1994-02-03 | Kabelmetal Ag | Verfahren zur Herstellung von Durchlaufkokillen für Stranggußmaschinen |
SE0003655D0 (sv) * | 2000-10-10 | 2000-10-10 | Avesta Sheffield Ab | Förfarande och anordning för tillverkning av ett ien rörkonstruktion ingående rör samt ett rör tillverkat enligt förfarandet |
EP2914392A1 (fr) * | 2012-11-02 | 2015-09-09 | SchmitterGroup AG | Procédé de production de différentes épaisseurs de paroi d'un tube réservoir |
CN107695219B (zh) * | 2017-10-20 | 2019-05-03 | 芜湖市鸿坤汽车零部件有限公司 | 一种管材扩口装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE114783C (fr) * | ||||
DE129875C (fr) * | ||||
DE730633C (de) * | 1938-10-19 | 1943-01-15 | Ernst Heinkel Flugzeugwerke G | Hydraulische Rohreinziehpresse |
DE811109C (de) * | 1950-01-06 | 1951-08-16 | Reisholz Stahl & Roehrenwerk | Verfahren und Vorrichtung zur Herstellung von nahtlosen Hohlkoerpern, insbesondere von Rohren auf Stossbaenken |
GB1092717A (en) * | 1964-11-18 | 1967-11-29 | Tube Mill Holding Sa | Plant and process for producing seamless tubes using a push-bench, and seamless tubes produced by the process |
FR1481305A (fr) * | 1966-05-13 | 1967-05-19 | Rubery | Procédé de fabrication d'essieux pour véhicules |
-
1976
- 1976-10-29 FR FR7632702A patent/FR2369027A1/fr active Granted
-
1977
- 1977-09-01 NL NL7709624A patent/NL186493C/xx not_active IP Right Cessation
- 1977-09-13 DE DE19772741071 patent/DE2741071C2/de not_active Expired
- 1977-09-19 IT IT5107877A patent/IT1090228B/it active
- 1977-09-29 ES ES463011A patent/ES463011A1/es not_active Expired
- 1977-10-03 GB GB4096877A patent/GB1566582A/en not_active Expired
- 1977-10-24 YU YU254677A patent/YU254677A/xx unknown
- 1977-10-26 BE BE182068A patent/BE860121A/fr not_active IP Right Cessation
- 1977-10-27 LU LU78398A patent/LU78398A1/xx unknown
- 1977-10-28 RO RO7791923A patent/RO75232A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR2369027B1 (fr) | 1980-12-26 |
IT1090228B (it) | 1985-06-26 |
NL186493B (nl) | 1990-07-16 |
DE2741071A1 (de) | 1978-05-11 |
LU78398A1 (fr) | 1978-01-26 |
NL7709624A (nl) | 1978-05-03 |
YU254677A (en) | 1984-08-31 |
BE860121A (fr) | 1978-02-15 |
DE2741071C2 (de) | 1985-02-28 |
NL186493C (nl) | 1990-12-17 |
FR2369027A1 (fr) | 1978-05-26 |
GB1566582A (en) | 1980-05-08 |
ES463011A1 (es) | 1978-12-16 |
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