DE3040127A1 - Vorrichtung zur ueberwachung des inneren eines umschlossenen raumes - Google Patents

Vorrichtung zur ueberwachung des inneren eines umschlossenen raumes

Info

Publication number
DE3040127A1
DE3040127A1 DE19803040127 DE3040127A DE3040127A1 DE 3040127 A1 DE3040127 A1 DE 3040127A1 DE 19803040127 DE19803040127 DE 19803040127 DE 3040127 A DE3040127 A DE 3040127A DE 3040127 A1 DE3040127 A1 DE 3040127A1
Authority
DE
Germany
Prior art keywords
observation
diaphragm
opening
wiper
windshield wiper
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.)
Granted
Application number
DE19803040127
Other languages
German (de)
English (en)
Inventor
Robert Embourg Pirlet
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
Priority claimed from BE6046979A external-priority patent/BE879644A/fr
Application filed by Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of DE3040127A1 publication Critical patent/DE3040127A1/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Blast Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Radiation Pyrometers (AREA)
DE19803040127 1979-10-25 1980-10-24 Vorrichtung zur ueberwachung des inneren eines umschlossenen raumes Granted DE3040127A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6046979A BE879644A (fr) 1979-10-25 1979-10-25 Perfectionnements aux dispositif pour surveiller l'interieur d'une enceinte

Publications (1)

Publication Number Publication Date
DE3040127A1 true DE3040127A1 (de) 1981-05-07

Family

ID=3874836

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803040127 Granted DE3040127A1 (de) 1979-10-25 1980-10-24 Vorrichtung zur ueberwachung des inneren eines umschlossenen raumes

Country Status (2)

Country Link
JP (1) JPS5682377A (enExample)
DE (1) DE3040127A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643679Y2 (ja) * 1988-03-16 1994-11-14 川崎重工業株式会社 密閉容器の覗き窓

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT177529B (de) * 1952-09-08 1954-02-10 Alois Dr Vogt Verfahren und Vorrichtung zur Reinigung von Beobachtungsfenstern, die dem Einblick in Hochvakuumräume dienen
AT283403B (de) * 1966-11-24 1970-08-10 Centre Nat Rech Metall Einrichtung zur Beobachtung des Inneren eines umschlossenen Raumes
DE2628781A1 (de) * 1975-07-01 1977-01-27 Centre Rech Metallurgique Vorrichtung zur beobachtung des innern eines geschlossenen raumes, insbesondere eines hochofens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT177529B (de) * 1952-09-08 1954-02-10 Alois Dr Vogt Verfahren und Vorrichtung zur Reinigung von Beobachtungsfenstern, die dem Einblick in Hochvakuumräume dienen
AT283403B (de) * 1966-11-24 1970-08-10 Centre Nat Rech Metall Einrichtung zur Beobachtung des Inneren eines umschlossenen Raumes
DE2628781A1 (de) * 1975-07-01 1977-01-27 Centre Rech Metallurgique Vorrichtung zur beobachtung des innern eines geschlossenen raumes, insbesondere eines hochofens

Also Published As

Publication number Publication date
JPS5682377A (en) 1981-07-06
JPS648276B2 (enExample) 1989-02-13

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: HAFNER, D., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 85

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee