FR640250A - Fixture for the lighting of gassy premises or premises exposed to explosion hazards - Google Patents

Fixture for the lighting of gassy premises or premises exposed to explosion hazards

Info

Publication number
FR640250A
FR640250A FR640250DA FR640250A FR 640250 A FR640250 A FR 640250A FR 640250D A FR640250D A FR 640250DA FR 640250 A FR640250 A FR 640250A
Authority
FR
France
Prior art keywords
premises
gassy
fixture
lighting
exposed
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.)
Schanzenbach & Co GmbH
Original Assignee
Schanzenbach & Co GmbH
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 Schanzenbach & Co GmbH filed Critical Schanzenbach & Co GmbH
Application granted granted Critical
Publication of FR640250A publication Critical patent/FR640250A/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
    • 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
    • F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR640250D 1927-08-29 1927-08-29 Fixture for the lighting of gassy premises or premises exposed to explosion hazards Expired FR640250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR640250T 1927-08-29

Publications (1)

Publication Number Publication Date
FR640250A true FR640250A (en) 1928-07-09

Family

ID=8997330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640250D Expired FR640250A (en) 1927-08-29 1927-08-29 Fixture for the lighting of gassy premises or premises exposed to explosion hazards

Country Status (1)

Country Link
FR (1) FR640250A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749433A (en) * 1950-07-22 1956-06-05 Arthur I Appleton Vapor-proof lighting fixture
US2786936A (en) * 1950-07-22 1957-03-26 Arthur I Appleton Explosion-proof lighting unit
US2798149A (en) * 1954-06-03 1957-07-02 Bodez Henry Electric lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749433A (en) * 1950-07-22 1956-06-05 Arthur I Appleton Vapor-proof lighting fixture
US2786936A (en) * 1950-07-22 1957-03-26 Arthur I Appleton Explosion-proof lighting unit
US2798149A (en) * 1954-06-03 1957-07-02 Bodez Henry Electric lamp

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