DE69112621T2 - Verfahren zur herstellung von rohren. - Google Patents
Verfahren zur herstellung von rohren.Info
- Publication number
- DE69112621T2 DE69112621T2 DE69112621T DE69112621T DE69112621T2 DE 69112621 T2 DE69112621 T2 DE 69112621T2 DE 69112621 T DE69112621 T DE 69112621T DE 69112621 T DE69112621 T DE 69112621T DE 69112621 T2 DE69112621 T2 DE 69112621T2
- Authority
- DE
- Germany
- Prior art keywords
- producing tubes
- tubes
- producing
- 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 - Fee Related
Links
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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F5/106—Tube or ring forms
-
- 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
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- 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
- B21C23/22—Making metal-coated products; Making products from two or more metals
-
- 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
- B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
- B21C33/004—Composite billet
-
- 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
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/004—Article comprising helical form elements
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F2005/103—Cavity made by removal of insert
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geometry (AREA)
- Extrusion Of Metal (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9001989A SE466340B (sv) | 1990-06-05 | 1990-06-05 | Saett att framstaella roer |
PCT/SE1991/000299 WO1991018689A1 (en) | 1990-06-05 | 1991-04-26 | Method of manufacturing tubes |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69112621D1 DE69112621D1 (de) | 1995-10-05 |
DE69112621T2 true DE69112621T2 (de) | 1996-05-02 |
Family
ID=20379666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69112621T Expired - Fee Related DE69112621T2 (de) | 1990-06-05 | 1991-04-26 | Verfahren zur herstellung von rohren. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0532598B1 (de) |
DE (1) | DE69112621T2 (de) |
SE (1) | SE466340B (de) |
WO (1) | WO1991018689A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0839589A1 (de) * | 1996-11-04 | 1998-05-06 | Alusuisse Technology & Management AG | Verfahren zur Herstellung eines Metallprofilstranges |
ITUD20050002A1 (it) * | 2005-01-18 | 2006-07-19 | Dada Srl | procedimento per realizzare un elemento distanziatore per un pannello di un radiatore termico, ed elemento distanziatore cosi' realizzato |
RU2492965C1 (ru) * | 2012-03-12 | 2013-09-20 | Лев Анатольевич Губенко | Способ формования длинномерных полых изделий из порошковых и пластифицированных масс и устройство для его осуществления (варианты) |
CN103785706A (zh) * | 2014-02-12 | 2014-05-14 | 攀钢集团江油长城特殊钢有限公司 | 一种合金钢异型管的制造方法 |
CN105880609B (zh) * | 2016-04-11 | 2018-06-26 | 哈尔滨建成集团有限公司 | 一种发动机喷管的成型工艺方法及成型模具 |
DE102018202941B4 (de) * | 2018-02-27 | 2024-01-25 | Kennametal Inc. | Verfahren zur Herstellung eines Rohlings aus Extrusionsmasse sowie Extruder |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE413995B (sv) * | 1977-02-07 | 1980-07-07 | Asea Ab | Press for hydrostatisk strengpressning av ror |
-
1990
- 1990-06-05 SE SE9001989A patent/SE466340B/sv not_active IP Right Cessation
-
1991
- 1991-04-26 WO PCT/SE1991/000299 patent/WO1991018689A1/en active IP Right Grant
- 1991-04-26 EP EP91910864A patent/EP0532598B1/de not_active Expired - Lifetime
- 1991-04-26 DE DE69112621T patent/DE69112621T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE9001989D0 (sv) | 1990-06-05 |
DE69112621D1 (de) | 1995-10-05 |
EP0532598A1 (de) | 1993-03-24 |
WO1991018689A1 (en) | 1991-12-12 |
SE466340B (sv) | 1992-02-03 |
EP0532598B1 (de) | 1995-08-30 |
SE9001989L (sv) | 1991-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: BODYCOTE POWDERMET AB, SURAHAMMAR, SE |
|
8339 | Ceased/non-payment of the annual fee |