GB726032A - Improvements in or relating to the manufacture of porous sintered metal elements - Google Patents

Improvements in or relating to the manufacture of porous sintered metal elements

Info

Publication number
GB726032A
GB726032A GB17362/53A GB1736253A GB726032A GB 726032 A GB726032 A GB 726032A GB 17362/53 A GB17362/53 A GB 17362/53A GB 1736253 A GB1736253 A GB 1736253A GB 726032 A GB726032 A GB 726032A
Authority
GB
United Kingdom
Prior art keywords
plug
temperature
refractory metal
type cathode
dispenser
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
GB17362/53A
Other languages
English (en)
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB726032A publication Critical patent/GB726032A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/11Making porous workpieces or articles
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/08Alloys with open or closed pores
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Solid Thermionic Cathode (AREA)
GB17362/53A 1952-06-26 1953-06-23 Improvements in or relating to the manufacture of porous sintered metal elements Expired GB726032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US318054XA 1952-06-26 1952-06-26

Publications (1)

Publication Number Publication Date
GB726032A true GB726032A (en) 1955-03-16

Family

ID=21861485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17362/53A Expired GB726032A (en) 1952-06-26 1953-06-23 Improvements in or relating to the manufacture of porous sintered metal elements

Country Status (5)

Country Link
BE (1) BE520936A (enrdf_load_html_response)
CH (1) CH318054A (enrdf_load_html_response)
FR (1) FR1079579A (enrdf_load_html_response)
GB (1) GB726032A (enrdf_load_html_response)
NL (1) NL81847C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193601A (zh) * 2019-06-13 2019-09-03 金堆城钼业股份有限公司 一种双层或多层难熔金属复合管材的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193601A (zh) * 2019-06-13 2019-09-03 金堆城钼业股份有限公司 一种双层或多层难熔金属复合管材的制备方法

Also Published As

Publication number Publication date
FR1079579A (fr) 1954-12-01
NL81847C (enrdf_load_html_response)
CH318054A (de) 1956-12-15
BE520936A (enrdf_load_html_response)

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