FR2316564B1 - - Google Patents

Info

Publication number
FR2316564B1
FR2316564B1 FR7620685A FR7620685A FR2316564B1 FR 2316564 B1 FR2316564 B1 FR 2316564B1 FR 7620685 A FR7620685 A FR 7620685A FR 7620685 A FR7620685 A FR 7620685A FR 2316564 B1 FR2316564 B1 FR 2316564B1
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
FR7620685A
Other languages
French (fr)
Other versions
FR2316564A1 (fr
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of FR2316564A1 publication Critical patent/FR2316564A1/fr
Application granted granted Critical
Publication of FR2316564B1 publication Critical patent/FR2316564B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports
    • G02B23/2492—Arrangements for use in a hostile environment, e.g. a very hot, cold or radioactive environment
    • 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
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
    • F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Blast Furnaces (AREA)
FR7620685A 1975-07-01 1976-06-29 Dispositif et procede pour surveiller l'interieur d'une enceinte Granted FR2316564A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE830896 1975-07-01

Publications (2)

Publication Number Publication Date
FR2316564A1 FR2316564A1 (fr) 1977-01-28
FR2316564B1 true FR2316564B1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1982-07-23

Family

ID=3861231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620685A Granted FR2316564A1 (fr) 1975-07-01 1976-06-29 Dispositif et procede pour surveiller l'interieur d'une enceinte

Country Status (3)

Country Link
JP (1) JPS5210808A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE830896A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR2316564A1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354386A1 (fr) * 1976-06-11 1978-01-06 Centre Rech Metallurgique Procede pour assurer et maintenir la proprete d'un orifice d'observation
US4040473A (en) * 1976-08-13 1977-08-09 The Air Preheater Company, Inc. Annular lens cleaner
GB8829695D0 (en) * 1988-12-20 1989-02-15 British Steel Plc Observation of furnace interiors
CH714454A2 (de) * 2017-12-15 2019-06-28 T Meili Reto Vorrichtung für die Beobachtung von Abläufen im Inneren von explosionsgeschützten Reaktionsbehältern.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920585A (en) * 1955-12-30 1960-01-12 Babcock & Wilcox Co Observation or lance door
US3276442A (en) * 1965-02-24 1966-10-04 Combustion Eng Furnace observation port
LU52435A1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * 1966-11-24 1968-06-25
JPS5178460A (ja) * 1974-12-27 1976-07-08 Ikuo Tajima Rendoshikitatogatashishumishin

Also Published As

Publication number Publication date
BE830896A (fr) 1976-01-02
JPS5210808A (en) 1977-01-27
FR2316564A1 (fr) 1977-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse