FR1035024A - Interrupteur à l'épreuve du grisou pour lampes électriques de mines - Google Patents

Interrupteur à l'épreuve du grisou pour lampes électriques de mines

Info

Publication number
FR1035024A
FR1035024A FR1035024DA FR1035024A FR 1035024 A FR1035024 A FR 1035024A FR 1035024D A FR1035024D A FR 1035024DA FR 1035024 A FR1035024 A FR 1035024A
Authority
FR
France
Prior art keywords
firedamp
switch
electric lights
mine electric
mine
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)
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.)
CEAG Concordia Elekrizitats AG
Original Assignee
CEAG Concordia Elekrizitats AG
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 CEAG Concordia Elekrizitats AG filed Critical CEAG Concordia Elekrizitats AG
Application granted granted Critical
Publication of FR1035024A publication Critical patent/FR1035024A/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
    • 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
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1035024D 1950-06-30 1951-04-03 Interrupteur à l'épreuve du grisou pour lampes électriques de mines Expired FR1035024A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1035024X 1950-06-30

Publications (1)

Publication Number Publication Date
FR1035024A true FR1035024A (fr) 1953-08-12

Family

ID=7715869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1035024D Expired FR1035024A (fr) 1950-06-30 1951-04-03 Interrupteur à l'épreuve du grisou pour lampes électriques de mines

Country Status (1)

Country Link
FR (1) FR1035024A (fr)

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