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GB2198749B - A method of manufacturing blocks or profiled sections - Google Patents
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GB2198749B - A method of manufacturing blocks or profiled sections - Google Patents

A method of manufacturing blocks or profiled sections

Info

Publication number
GB2198749B
GB2198749B GB8728325A GB8728325A GB2198749B GB 2198749 B GB2198749 B GB 2198749B GB 8728325 A GB8728325 A GB 8728325A GB 8728325 A GB8728325 A GB 8728325A GB 2198749 B GB2198749 B GB 2198749B
Authority
GB
United Kingdom
Prior art keywords
profiled sections
manufacturing blocks
blocks
manufacturing
profiled
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
Application number
GB8728325A
Other versions
GB2198749A (en
GB8728325D0 (en
Inventor
Viktor Linnemann
Norbert Dautzenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of GB8728325D0 publication Critical patent/GB8728325D0/en
Publication of GB2198749A publication Critical patent/GB2198749A/en
Application granted granted Critical
Publication of GB2198749B publication Critical patent/GB2198749B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
GB8728325A 1986-12-12 1987-12-03 A method of manufacturing blocks or profiled sections Expired - Fee Related GB2198749B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3643016A DE3643016C1 (en) 1986-12-12 1986-12-12 Process for the production of blocks or profiles

Publications (3)

Publication Number Publication Date
GB8728325D0 GB8728325D0 (en) 1988-01-06
GB2198749A GB2198749A (en) 1988-06-22
GB2198749B true GB2198749B (en) 1990-07-25

Family

ID=6316349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8728325A Expired - Fee Related GB2198749B (en) 1986-12-12 1987-12-03 A method of manufacturing blocks or profiled sections

Country Status (3)

Country Link
DE (1) DE3643016C1 (en)
GB (1) GB2198749B (en)
SE (1) SE500829C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928436C1 (en) * 1989-08-24 1991-04-18 Mannesmann Ag, 4000 Duesseldorf, De
US6837915B2 (en) * 2002-09-20 2005-01-04 Scm Metal Products, Inc. High density, metal-based materials having low coefficients of friction and wear rates

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544974A (en) * 1939-11-04 1942-05-06 British Thomson Houston Co Ltd Improved method of and apparatus for forming rods, tubes and like articles by extrusion
GB597638A (en) * 1943-08-02 1948-01-30 British Thomson Houston Co Ltd Improvements relating to methods of and apparatus for extruding powdered materials
GB1069478A (en) * 1964-04-06 1967-05-17 Smith Corp A O Method of making steel powder
GB1349452A (en) * 1970-09-10 1974-04-03 Ti Group Services Ltd Production of an aluminium product
US3824097A (en) * 1972-12-19 1974-07-16 Federal Mogul Corp Process for compacting metal powder
US3834004A (en) * 1973-03-01 1974-09-10 Metal Innovations Inc Method of producing tool steel billets from water atomized metal powder
US3887402A (en) * 1972-12-25 1975-06-03 Yoshizaki Kozo Method for producing high density steel powders
GB1425195A (en) * 1972-06-29 1976-02-18 Mannesmann Ag Method of producing ferrous powder
GB2022001A (en) * 1978-05-26 1979-12-12 Glacier Gmbh Deva Werke Sintering Non-Metallic Particles During Extrusion
GB1602581A (en) * 1977-06-24 1981-11-11 American Can Co Production of steel strip by powder metallurgy
US4547336A (en) * 1982-01-11 1985-10-15 Meal Leve S.A. Industria E Comercio Method for the manufacture of piston ring inserts by a powder metallurgy technique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB732603A (en) * 1953-05-11 1955-06-29 Ici Ltd Improvements in or relating to methods of and apparatus for the direct extrusion of a metal
US3766769A (en) * 1972-06-22 1973-10-23 Western Electric Co Method of and means for commencing a deforming operation, e. g., hydrostatic extrusion of a billet
DE2310784B2 (en) * 1973-03-03 1975-03-13 Fa. Dr. Eugen Duerrwaechter Doduco, 7530 Pforzheim Process for the production of a ductile silver-metal oxide semi-finished product
DE2419014C3 (en) * 1974-04-19 1985-08-01 Nyby Bruks AB, Nybybruk Method of manufacturing stainless steel pipes and application of the method to the manufacture of composite pipes
DE3009916C2 (en) * 1980-03-14 1985-10-10 Nyby Uddeholm AB, Torshälla Extruded billets for the powder metallurgical production of pipes and processes for their production

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544974A (en) * 1939-11-04 1942-05-06 British Thomson Houston Co Ltd Improved method of and apparatus for forming rods, tubes and like articles by extrusion
GB597638A (en) * 1943-08-02 1948-01-30 British Thomson Houston Co Ltd Improvements relating to methods of and apparatus for extruding powdered materials
GB1069478A (en) * 1964-04-06 1967-05-17 Smith Corp A O Method of making steel powder
GB1349452A (en) * 1970-09-10 1974-04-03 Ti Group Services Ltd Production of an aluminium product
GB1425195A (en) * 1972-06-29 1976-02-18 Mannesmann Ag Method of producing ferrous powder
US3824097A (en) * 1972-12-19 1974-07-16 Federal Mogul Corp Process for compacting metal powder
US3887402A (en) * 1972-12-25 1975-06-03 Yoshizaki Kozo Method for producing high density steel powders
US3834004A (en) * 1973-03-01 1974-09-10 Metal Innovations Inc Method of producing tool steel billets from water atomized metal powder
GB1602581A (en) * 1977-06-24 1981-11-11 American Can Co Production of steel strip by powder metallurgy
GB2022001A (en) * 1978-05-26 1979-12-12 Glacier Gmbh Deva Werke Sintering Non-Metallic Particles During Extrusion
US4547336A (en) * 1982-01-11 1985-10-15 Meal Leve S.A. Industria E Comercio Method for the manufacture of piston ring inserts by a powder metallurgy technique

Also Published As

Publication number Publication date
SE8704958L (en) 1988-06-13
SE500829C2 (en) 1994-09-12
DE3643016C1 (en) 1987-08-13
GB2198749A (en) 1988-06-22
SE8704958D0 (en) 1987-12-11
GB8728325D0 (en) 1988-01-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001203