FR2276263A1 - IMPROVEMENTS RELATING TO PYROLYTIC GRAPHITE OBJECTS - Google Patents

IMPROVEMENTS RELATING TO PYROLYTIC GRAPHITE OBJECTS

Info

Publication number
FR2276263A1
FR2276263A1 FR7520035A FR7520035A FR2276263A1 FR 2276263 A1 FR2276263 A1 FR 2276263A1 FR 7520035 A FR7520035 A FR 7520035A FR 7520035 A FR7520035 A FR 7520035A FR 2276263 A1 FR2276263 A1 FR 2276263A1
Authority
FR
France
Prior art keywords
improvements relating
pyrolytic graphite
objects
graphite objects
pyrolytic
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.)
Withdrawn
Application number
FR7520035A
Other languages
French (fr)
Inventor
Alec Peter Orme Collis
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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Publication of FR2276263A1 publication Critical patent/FR2276263A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/522—Graphite

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FR7520035A 1974-06-29 1975-06-26 IMPROVEMENTS RELATING TO PYROLYTIC GRAPHITE OBJECTS Withdrawn FR2276263A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2899874A GB1456462A (en) 1974-06-29 1974-06-29 Pyrolytic graphite articles

Publications (1)

Publication Number Publication Date
FR2276263A1 true FR2276263A1 (en) 1976-01-23

Family

ID=10284626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520035A Withdrawn FR2276263A1 (en) 1974-06-29 1975-06-26 IMPROVEMENTS RELATING TO PYROLYTIC GRAPHITE OBJECTS

Country Status (3)

Country Link
DE (1) DE2439698B2 (en)
FR (1) FR2276263A1 (en)
GB (1) GB1456462A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368795A1 (en) * 1976-10-21 1978-05-19 English Electric Valve Co Ltd PYROLYTIC CARBON ELECTRODE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368795A1 (en) * 1976-10-21 1978-05-19 English Electric Valve Co Ltd PYROLYTIC CARBON ELECTRODE

Also Published As

Publication number Publication date
DE2439698A1 (en) 1976-01-08
DE2439698B2 (en) 1976-09-02
GB1456462A (en) 1976-11-24

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Legal Events

Date Code Title Description
ST Notification of lapse