[go: up one dir, main page]

GB289477A - Improvements in and relating to hard metal compositions - Google Patents

Improvements in and relating to hard metal compositions

Info

Publication number
GB289477A
GB289477A GB12360/28A GB1236028A GB289477A GB 289477 A GB289477 A GB 289477A GB 12360/28 A GB12360/28 A GB 12360/28A GB 1236028 A GB1236028 A GB 1236028A GB 289477 A GB289477 A GB 289477A
Authority
GB
United Kingdom
Prior art keywords
relating
hard metal
metal compositions
carbon
assignees
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
Application number
GB12360/28A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB289477A publication Critical patent/GB289477A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Inert Electrodes (AREA)
  • Discharge Heating (AREA)

Abstract

289,477. British Thomson-Houston Co., Ltd., (Assignees of Gilson, E. G.). April 28, 1927, [Convention date]. Electrode furnaces. -A mixture of tungsten, cobalt, and carbon is heated to about 1300-1450‹ C. in a carbon mould 1 between electrodes 3, 4, while subjected to a pressure of about 1000 lb. per square inch.
GB12360/28A 1927-04-28 1928-04-27 Improvements in and relating to hard metal compositions Expired GB289477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US289477XA 1927-04-28 1927-04-28

Publications (1)

Publication Number Publication Date
GB289477A true GB289477A (en) 1929-10-28

Family

ID=21846396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12360/28A Expired GB289477A (en) 1927-04-28 1928-04-27 Improvements in and relating to hard metal compositions

Country Status (1)

Country Link
GB (1) GB289477A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914812C (en) * 1943-12-05 1954-07-08 Aeg Device for the production of pressed parts from metal powder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914812C (en) * 1943-12-05 1954-07-08 Aeg Device for the production of pressed parts from metal powder

Similar Documents

Publication Publication Date Title
GB224230A (en) Improvements in and relating to electrical contacts
GB289477A (en) Improvements in and relating to hard metal compositions
GB288521A (en) Improvements in or relating to hard metal compositions and methods of making the same
GB280558A (en) Improvements in or relating to arc welding
GB547119A (en) Improvements relating to sparking plugs for internal combustion engines
GB491837A (en) Sparking plugs
GB306157A (en) Improvements in and relating to styluses for sound reproducing machines
GB417097A (en) Spark plug
GB214606A (en) Improved manufacture of "leads" for pencils and pencilholders
GB492313A (en) Improvements relating to sparking plugs
GB526347A (en) Improvements in and relating to the manufacture of spark plugs
GB433717A (en) Improvements in or relating to sparking plugs
GB436430A (en) Improvements in and relating to the manufacture of abrasive wheels
GB496701A (en) Improvements relating to sparking plugs
GB273740A (en) Improvements in or relating to sparking plugs
GB437299A (en) Improvements in or relating to terminal connections for electric heating elements
GB191013518A (en) Improvements in Arc Light Electrodes.
GB497015A (en) Improvements in or relating to electrical signalling systems
GB536358A (en) Improvements in and relating to spark plugs
GB508180A (en) Improvements in and relating to dry rectifiers
GB495507A (en) Spark plug
GB479952A (en) Improvements in or relating to protective discharge devices
GB337389A (en)
GB367668A (en) Improvements in luminous electric discharge tubes
GB169060A (en) Improvements in or relating to the burning of carbon electrodes in electric furnaces