FR2245431A1 - - Google Patents
Info
- Publication number
- FR2245431A1 FR2245431A1 FR7429472A FR7429472A FR2245431A1 FR 2245431 A1 FR2245431 A1 FR 2245431A1 FR 7429472 A FR7429472 A FR 7429472A FR 7429472 A FR7429472 A FR 7429472A FR 2245431 A1 FR2245431 A1 FR 2245431A1
- 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.)
- Granted
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
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/29—Making branched pieces, e.g. T-pieces
- B21C37/298—Forming collars by flow-drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732343981 DE2343981C3 (de) | 1973-08-31 | Ziehdorn zum Aushalsen von Rohren |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2245431A1 true FR2245431A1 (fr) | 1975-04-25 |
FR2245431B3 FR2245431B3 (fr) | 1980-01-11 |
Family
ID=5891278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7429472A Expired FR2245431B3 (fr) | 1973-08-31 | 1974-08-29 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5051465A (fr) |
FR (1) | FR2245431B3 (fr) |
GB (1) | GB1478646A (fr) |
SE (1) | SE409555B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0792702A2 (fr) * | 1996-02-27 | 1997-09-03 | KWG Maschinenbau GmbH | Appareil pour la formation de collerette dans des pièces |
-
1974
- 1974-08-29 FR FR7429472A patent/FR2245431B3/fr not_active Expired
- 1974-08-30 JP JP49099793A patent/JPS5051465A/ja active Pending
- 1974-08-30 SE SE7411023A patent/SE409555B/xx unknown
- 1974-09-02 GB GB38190/74A patent/GB1478646A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0792702A2 (fr) * | 1996-02-27 | 1997-09-03 | KWG Maschinenbau GmbH | Appareil pour la formation de collerette dans des pièces |
EP0792702A3 (fr) * | 1996-02-27 | 1997-11-05 | KWG Maschinenbau GmbH | Appareil pour la formation de collerette dans des pièces |
Also Published As
Publication number | Publication date |
---|---|
GB1478646A (en) | 1977-07-06 |
DE2343981A1 (de) | 1975-03-20 |
DE2343981B2 (de) | 1975-10-02 |
JPS5051465A (fr) | 1975-05-08 |
SE409555B (sv) | 1979-08-27 |
SE7411023L (fr) | 1975-03-03 |
FR2245431B3 (fr) | 1980-01-11 |