GB1374031A - Press for the hydrostatic extrusion of tubes - Google Patents
Press for the hydrostatic extrusion of tubesInfo
- Publication number
- GB1374031A GB1374031A GB1173672A GB1173672A GB1374031A GB 1374031 A GB1374031 A GB 1374031A GB 1173672 A GB1173672 A GB 1173672A GB 1173672 A GB1173672 A GB 1173672A GB 1374031 A GB1374031 A GB 1374031A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrel
- rear end
- plate
- tubes
- march
- 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
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/007—Hydrostatic extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Insertion Pins And Rivets (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
1374031 Extruding ALLMANNA SVENSKA ELEKTRISKA AB 14 March 1972 [15 March 1971] 11736/72 Heading B3P A hydrostatic extrusion press for tubes has a mandrel 25 which is axially held relative to a die 4 by a spacer tube 8 and the enlarged rear end 26 of the mandrel is sealed in a liquid-tight manner to a plate 27 seated on the spacer tube. The sealing is achieved by seating the rear end 26 of the mandrel in a recess in the plate and by a seal ring 31 clamped by a flat ring 29 to the plate 27. The hydrostatic fluid pressure acts only on the mandrel on one side of its rear end, the other side being subjected to atmospheric pressure in a space 30, so that the resultant pressure opposes the frictional drag on the mandrel by the extruding tube and reduces the risk of fracture. In a second embodiment the mandrel is formed in two parts 43, 47, Fig. 4, sealed by a sleeve 48 and seals 49, 50.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE03277/71A SE364649B (en) | 1971-03-15 | 1971-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1374031A true GB1374031A (en) | 1974-11-13 |
Family
ID=20261763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1173672A Expired GB1374031A (en) | 1971-03-15 | 1972-03-14 | Press for the hydrostatic extrusion of tubes |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3751957A (en) |
| JP (1) | JPS5436144B1 (en) |
| CA (1) | CA961439A (en) |
| CH (1) | CH543316A (en) |
| FR (1) | FR2130264B1 (en) |
| GB (1) | GB1374031A (en) |
| IT (1) | IT952973B (en) |
| NL (1) | NL7203298A (en) |
| SE (1) | SE364649B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE379943B (en) * | 1972-06-12 | 1975-10-27 | Asea Ab | |
| SE370027B (en) * | 1973-01-30 | 1974-09-30 | Asea Ab | |
| SE371117B (en) * | 1973-03-07 | 1974-11-11 | Asea Ab | |
| US3946584A (en) * | 1973-04-11 | 1976-03-30 | Kobe Steel, Ltd. | Hydrostatic extrusion method and apparatus |
| SE386383B (en) * | 1973-10-12 | 1976-08-09 | Asea Ab | TUBE PRESSURE FOR HYDROSTATIC EXTENSION WITH SUBSTRATE PISTON IN PRESSURE CHAMBER |
| SE7407507L (en) * | 1974-06-07 | 1975-12-08 | Asea Ab | PROCEDURE FOR HYDROSTATIC ROD PRESSING. |
| US4085606A (en) * | 1976-12-09 | 1978-04-25 | Westinghouse Electric Corporation | Hydrostatic extrusion apparatus for producing hollow elongated bodies of rectangular cross section |
-
1971
- 1971-03-15 SE SE03277/71A patent/SE364649B/xx unknown
-
1972
- 1972-02-10 US US00225073A patent/US3751957A/en not_active Expired - Lifetime
- 1972-03-09 CH CH350672A patent/CH543316A/en not_active IP Right Cessation
- 1972-03-10 CA CA136,849A patent/CA961439A/en not_active Expired
- 1972-03-13 NL NL7203298A patent/NL7203298A/xx not_active Application Discontinuation
- 1972-03-13 JP JP2552772A patent/JPS5436144B1/ja active Pending
- 1972-03-14 IT IT67799/72A patent/IT952973B/en active
- 1972-03-14 GB GB1173672A patent/GB1374031A/en not_active Expired
- 1972-03-15 FR FR7208990A patent/FR2130264B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH543316A (en) | 1973-10-31 |
| FR2130264A1 (en) | 1972-11-03 |
| IT952973B (en) | 1973-07-30 |
| CA961439A (en) | 1975-01-21 |
| US3751957A (en) | 1973-08-14 |
| JPS5436144B1 (en) | 1979-11-07 |
| SE364649B (en) | 1974-03-04 |
| FR2130264B1 (en) | 1977-12-23 |
| DE2211650B2 (en) | 1975-11-27 |
| DE2211650A1 (en) | 1972-09-21 |
| NL7203298A (en) | 1972-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1349898A (en) | Expansible tube valves | |
| GB1059334A (en) | Improvements in piston-piston rod assembly | |
| GB1377730A (en) | Sealing devices for example for preventing leakages along piston rods | |
| GB1374031A (en) | Press for the hydrostatic extrusion of tubes | |
| GB1311732A (en) | Tube connections | |
| GB1466294A (en) | High pressure seal | |
| GB1459254A (en) | High pressure seal | |
| GB1413853A (en) | Sealing device | |
| GB1330828A (en) | Face type sealing device | |
| ES414342A1 (en) | Fluid ram provided with means for braking the ram piston at the end of its stroke | |
| GB1373847A (en) | High pressure seals in high pressure presses | |
| GB1373674A (en) | Method of manufacturing and press for the hydrostatic extrusion of tubing | |
| CA963502A (en) | Seal for pressure fluid cylinders | |
| GB1475016A (en) | Hydrostatic extrusion presses | |
| GB1498217A (en) | Presses for the hydrostatic extrusion of tubes | |
| GB1103749A (en) | Improvements in methods of shaping metals under high hydrostatic pressure | |
| GB1286558A (en) | Deep-drawing press | |
| GB1019701A (en) | Pressure generating means | |
| GB1487801A (en) | Hydrostatic extrusion press | |
| GB1288866A (en) | ||
| GB1428443A (en) | Press for the hydrostaitc extrusion of tubes | |
| GB1201464A (en) | High pressure containers for cyclically varying pressures | |
| GB1296312A (en) | ||
| GB1253819A (en) | Metal extrusion press | |
| GB1295216A (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |