FR2102259B1 - - Google Patents

Info

Publication number
FR2102259B1
FR2102259B1 FR7129150A FR7129150A FR2102259B1 FR 2102259 B1 FR2102259 B1 FR 2102259B1 FR 7129150 A FR7129150 A FR 7129150A FR 7129150 A FR7129150 A FR 7129150A FR 2102259 B1 FR2102259 B1 FR 2102259B1
Authority
FR
France
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
FR7129150A
Other languages
French (fr)
Other versions
FR2102259A1 (OSRAM
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.)
CT VOOR RESEARCH
Original Assignee
CT VOOR RESEARCH
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 CT VOOR RESEARCH filed Critical CT VOOR RESEARCH
Publication of FR2102259A1 publication Critical patent/FR2102259A1/fr
Application granted granted Critical
Publication of FR2102259B1 publication Critical patent/FR2102259B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
    • F27D21/02—Observation or illuminating devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Astronomy & Astrophysics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Radiation Pyrometers (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
FR7129150A 1970-08-14 1971-08-10 Expired FR2102259B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE754913 1970-08-14

Publications (2)

Publication Number Publication Date
FR2102259A1 FR2102259A1 (OSRAM) 1972-04-07
FR2102259B1 true FR2102259B1 (OSRAM) 1974-05-31

Family

ID=3856889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7129150A Expired FR2102259B1 (OSRAM) 1970-08-14 1971-08-10

Country Status (6)

Country Link
BE (1) BE754913A (OSRAM)
DE (1) DE2139029C3 (OSRAM)
FR (1) FR2102259B1 (OSRAM)
GB (1) GB1292350A (OSRAM)
LU (1) LU63711A1 (OSRAM)
NL (1) NL7109737A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217778A (en) * 1978-10-23 1980-08-19 The Babcock & Wilcox Company Liquid level gauge illuminating system
WO1989009918A1 (fr) * 1988-04-06 1989-10-19 Shinagawa Refractories Co., Ltd. Installation de controle d'un four a haute temperature
FR2749390B1 (fr) * 1996-05-30 1998-07-31 Pyrolyse De Marienau Centre Sonde endoscopique d'inspection pour batteries de fours a coke
JP2000295502A (ja) * 1999-04-06 2000-10-20 Asahi Glass Co Ltd 炉内観察装置
CN102040214B (zh) * 2009-10-22 2013-01-23 沈阳铝镁设计研究院有限公司 罐式碳素煅烧炉用多功能观察孔

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261275B (de) * 1962-08-14 1968-02-15 Karl Storz Edoskop fuer geraden und seitlichen Ausblick
FR1499141A (fr) * 1966-04-25 1967-10-27 Commissariat Energie Atomique Perfectionnements aux dispositifs d'observation ou de photographie dans des enceintes

Also Published As

Publication number Publication date
GB1292350A (en) 1972-10-11
DE2139029A1 (de) 1972-03-16
LU63711A1 (OSRAM) 1971-12-21
DE2139029C3 (de) 1974-11-21
NL7109737A (OSRAM) 1972-02-16
DE2139029B2 (de) 1974-04-25
FR2102259A1 (OSRAM) 1972-04-07
BE754913A (fr) 1971-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse