ES483952A2 - Perfeccionamientos en la pat.principal n.436763 por proce- dimiento para fabricar por extension tubos, barras u obje- tos metalicos compactos similares alargados y perfilados,asicomo capsula para poner en practica dicho proced. - Google Patents
Perfeccionamientos en la pat.principal n.436763 por proce- dimiento para fabricar por extension tubos, barras u obje- tos metalicos compactos similares alargados y perfilados,asicomo capsula para poner en practica dicho proced.Info
- Publication number
- ES483952A2 ES483952A2 ES483952A ES483952A ES483952A2 ES 483952 A2 ES483952 A2 ES 483952A2 ES 483952 A ES483952 A ES 483952A ES 483952 A ES483952 A ES 483952A ES 483952 A2 ES483952 A2 ES 483952A2
- Authority
- ES
- Spain
- Prior art keywords
- cold
- stainless steel
- prodn
- product
- cold working
- 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
- 239000011521 glass Substances 0.000 title abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 3
- 239000000314 lubricant Substances 0.000 title abstract 3
- 239000010935 stainless steel Substances 0.000 title abstract 3
- 229910001220 stainless steel Inorganic materials 0.000 title abstract 3
- 238000005482 strain hardening Methods 0.000 title abstract 3
- 235000011149 sulphuric acid Nutrition 0.000 title abstract 3
- 239000001117 sulphuric acid Substances 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 title 1
- 238000004663 powder metallurgy Methods 0.000 title 1
- 238000005406 washing Methods 0.000 title 1
- 239000002775 capsule Substances 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 229910000975 Carbon steel Inorganic materials 0.000 abstract 1
- 229910004077 HF-HNO3 Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000010962 carbon steel Substances 0.000 abstract 1
- 238000010310 metallurgical process Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/1208—Containers or coating used therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
- Metal Extraction Processes (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782838850 DE2838850C2 (de) | 1978-09-06 | 1978-09-06 | Verfahren zum Herstellen kaltverformter Rohre aus auf pulvermetallurgischem Weg erzeugten stranggepreßten rostfreien Stahlrohren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES483952A2 true ES483952A2 (es) | 1980-10-01 |
Family
ID=6048817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES483952A Expired ES483952A2 (es) | 1978-09-06 | 1979-09-06 | Perfeccionamientos en la pat.principal n.436763 por proce- dimiento para fabricar por extension tubos, barras u obje- tos metalicos compactos similares alargados y perfilados,asicomo capsula para poner en practica dicho proced. |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE878611R (fr) |
| DE (1) | DE2838850C2 (fr) |
| ES (1) | ES483952A2 (fr) |
| FR (1) | FR2435309A2 (fr) |
| RO (1) | RO78382A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2533468B1 (fr) * | 1982-09-23 | 1986-03-14 | Nyby Uddeholm Ab | Capsule pour ebauches servant a l'extrusion de pieces, notamment de tubes |
| FR2542228B1 (fr) * | 1983-03-10 | 1985-08-02 | Cegedur | Procede de frittage sous pression de poudres d'alliages d'aluminium |
| CN104741612A (zh) * | 2014-11-26 | 2015-07-01 | 内蒙古北方重工业集团有限公司 | 粉末高温合金棒挤压方法 |
| CN114273500B (zh) * | 2021-12-09 | 2023-09-29 | 中航贵州飞机有限责任公司 | 一种橡皮囊液压成形用柔性增压块的使用方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE553992A (fr) * | ||||
| BE794142A (fr) * | 1972-01-17 | 1973-07-17 | Int Nickel Ltd | Alliages pour hautes temperatures |
| US3798740A (en) * | 1972-10-02 | 1974-03-26 | Davy Ashmore Ltd | Method of extruding a porous compacted mass of metal powder having a sealed outer surface |
| DE2419014C3 (de) * | 1974-04-19 | 1985-08-01 | Nyby Bruks AB, Nybybruk | Verfahren zum Herstellen von Rohren aus rostfreiem Stahl und Anwendung des Verfahrens auf das Herstellen von Verbundrohren |
-
1978
- 1978-09-06 DE DE19782838850 patent/DE2838850C2/de not_active Expired
-
1979
- 1979-09-05 FR FR7922250A patent/FR2435309A2/fr active Granted
- 1979-09-05 BE BE0/197023A patent/BE878611R/fr not_active IP Right Cessation
- 1979-09-05 RO RO7998605A patent/RO78382A/fr unknown
- 1979-09-06 ES ES483952A patent/ES483952A2/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2838850C2 (de) | 1983-12-15 |
| RO78382A (fr) | 1982-02-26 |
| FR2435309B2 (fr) | 1983-06-03 |
| FR2435309A2 (fr) | 1980-04-04 |
| DE2838850A1 (de) | 1980-03-27 |
| BE878611R (fr) | 1979-12-31 |
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