GB843362A - Process and apparatus for the hot shaping of metals and metal alloys - Google Patents
Process and apparatus for the hot shaping of metals and metal alloysInfo
- Publication number
- GB843362A GB843362A GB29668/57A GB2966857A GB843362A GB 843362 A GB843362 A GB 843362A GB 29668/57 A GB29668/57 A GB 29668/57A GB 2966857 A GB2966857 A GB 2966857A GB 843362 A GB843362 A GB 843362A
- Authority
- GB
- United Kingdom
- Prior art keywords
- salt
- extruded
- metals
- metal
- melt
- 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
- B21C9/00—Cooling, heating or lubricating drawing material
-
- 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
- B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Extrusion Of Metal (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
843,362. Extruding; drawing. DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT VORM. ROESSLER. Sept. 20, 1957 [Sept. 20, 19561, No. 29668/57. Class 83 (4). In a process for hot shaping metals or metal alloys by drawing or extruding, a metal blank is heated in a salt bath and coated with salts prior to feeding to the shaping tool, the salt being maintained on the surface of the metal before, during and after the shaping. A thorilun blank 16 is heated in a salt melt 17 to a temperature of 800‹ C. and is subsequently drawn through a die or dies submerged in the melt by drawing jaws 19. The wire product is subsequently further drawn. The drawing die which if submerged is of a hard metal or ceramal, may also be located above the surface of the melt in which case the wire product is preferably covered with salt melt by suitable means. Bars, channel-irons and tubes are extruded from U-section ingots preheated to 950 C. in a salt bath. The extrusion tool is also preheated in a muffle furnace to 750‹ C. approximately. A molybdenum lined ingot container 25 receives the heated ingot which is extruded through a die 23. During extrusion ladled into the channel 21 and is delivered through nozzles in passages 24 in a die holder 24 to cover the entire surface of the extruded article and thus prevent oxidation. Alternatively the salt may be poured on to the extruded metal at the extrusion outlet passage. The salt bath may contain chlorides, carbonates or phosphates particularly of the alkali metals or the alkaline earth metals. Other metals suitable for working by the process are uranium and its alloys and alloys of zirconium and chromium. Sheet, bar or wire products may be drawn or extruded according to the invention.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE843362X | 1956-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB843362A true GB843362A (en) | 1960-08-04 |
Family
ID=6772771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29668/57A Expired GB843362A (en) | 1956-09-20 | 1957-09-20 | Process and apparatus for the hot shaping of metals and metal alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB843362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2468122C2 (en) * | 2010-10-01 | 2012-11-27 | Ян Натанович Липкин | Method for chemical-mechanical treatment of metal items |
-
1957
- 1957-09-20 GB GB29668/57A patent/GB843362A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2468122C2 (en) * | 2010-10-01 | 2012-11-27 | Ян Натанович Липкин | Method for chemical-mechanical treatment of metal items |
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