ES474994A1 - Procedimiento para formar un agujero escaridado en el extre-mo de un tubo - Google Patents
Procedimiento para formar un agujero escaridado en el extre-mo de un tuboInfo
- Publication number
- ES474994A1 ES474994A1 ES474994A ES474994A ES474994A1 ES 474994 A1 ES474994 A1 ES 474994A1 ES 474994 A ES474994 A ES 474994A ES 474994 A ES474994 A ES 474994A ES 474994 A1 ES474994 A1 ES 474994A1
- Authority
- ES
- Spain
- Prior art keywords
- mandrel
- outside
- diameter
- expansion
- tube inside
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/12—Shaping end portions of hollow articles
-
- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
- B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4698777 | 1977-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES474994A1 true ES474994A1 (es) | 1979-04-01 |
Family
ID=10443310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES474994A Expired ES474994A1 (es) | 1977-11-11 | 1978-11-10 | Procedimiento para formar un agujero escaridado en el extre-mo de un tubo |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2848805A1 (it) |
ES (1) | ES474994A1 (it) |
FR (1) | FR2408405A1 (it) |
IT (1) | IT1100944B (it) |
SE (1) | SE7811605L (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4306181A1 (de) * | 1993-02-27 | 1994-09-01 | Kabelmetal Ag | Verfahren zur Herstellung einer Stopfenkammer beim Kaskadenziehen von Rohren und Vorrichtung zur Durchführung des Verfahrens |
-
1978
- 1978-11-09 IT IT29618/78A patent/IT1100944B/it active
- 1978-11-10 SE SE7811605A patent/SE7811605L/xx unknown
- 1978-11-10 DE DE19782848805 patent/DE2848805A1/de not_active Withdrawn
- 1978-11-10 ES ES474994A patent/ES474994A1/es not_active Expired
- 1978-11-10 FR FR7832848A patent/FR2408405A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT7829618A0 (it) | 1978-11-09 |
SE7811605L (sv) | 1979-05-12 |
FR2408405A1 (fr) | 1979-06-08 |
DE2848805A1 (de) | 1979-05-17 |
IT1100944B (it) | 1985-09-28 |
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