FR990440A - Fluorescent light explosion-proof lamp - Google Patents

Fluorescent light explosion-proof lamp

Info

Publication number
FR990440A
FR990440A FR990440DA FR990440A FR 990440 A FR990440 A FR 990440A FR 990440D A FR990440D A FR 990440DA FR 990440 A FR990440 A FR 990440A
Authority
FR
France
Prior art keywords
fluorescent light
proof lamp
light explosion
explosion
proof
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
French (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR990440A publication Critical patent/FR990440A/en
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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR990440D 1949-07-08 1949-07-08 Fluorescent light explosion-proof lamp Expired FR990440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990440T 1949-07-08

Publications (1)

Publication Number Publication Date
FR990440A true FR990440A (en) 1951-09-21

Family

ID=9544174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990440D Expired FR990440A (en) 1949-07-08 1949-07-08 Fluorescent light explosion-proof lamp

Country Status (1)

Country Link
FR (1) FR990440A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798149A (en) * 1954-06-03 1957-07-02 Bodez Henry Electric lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798149A (en) * 1954-06-03 1957-07-02 Bodez Henry Electric lamp

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