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FR722862A - Installation d'éclairage électrique souterraine - Google Patents

Installation d'éclairage électrique souterraine

Info

Publication number
FR722862A
FR722862A FR722862DA FR722862A FR 722862 A FR722862 A FR 722862A FR 722862D A FR722862D A FR 722862DA FR 722862 A FR722862 A FR 722862A
Authority
FR
France
Prior art keywords
lighting installation
underground lighting
electric underground
electric
installation
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
Other languages
English (en)
Inventor
Gustav Dusterloh
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 filed Critical
Application granted granted Critical
Publication of FR722862A publication Critical patent/FR722862A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • F21V25/06—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken feeding a quenching fluid to the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
FR722862D 1930-12-21 1931-09-12 Installation d'éclairage électrique souterraine Expired FR722862A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1930D0016930 DE560113C (de) 1930-12-21 1930-12-21 Lampenanschluss fuer elektrische Beleuchtungsanlagen im Grubenbetrieb

Publications (1)

Publication Number Publication Date
FR722862A true FR722862A (fr) 1932-03-29

Family

ID=6565837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722862D Expired FR722862A (fr) 1930-12-21 1931-09-12 Installation d'éclairage électrique souterraine

Country Status (2)

Country Link
DE (1) DE560113C (fr)
FR (1) FR722862A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004029508A1 (fr) * 2002-09-20 2004-04-08 Celinius Co., Ltd. Systeme d'eclairage a lampe a decharge et procede pour eviter la fuite de gaz indesirables ou la migration de fragments de verre hors d'un systeme d'eclairage de ce type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004029508A1 (fr) * 2002-09-20 2004-04-08 Celinius Co., Ltd. Systeme d'eclairage a lampe a decharge et procede pour eviter la fuite de gaz indesirables ou la migration de fragments de verre hors d'un systeme d'eclairage de ce type

Also Published As

Publication number Publication date
DE560113C (de) 1932-09-28

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