FR837769A - Switch device or explosion-proof switch - Google Patents

Switch device or explosion-proof switch

Info

Publication number
FR837769A
FR837769A FR837769DA FR837769A FR 837769 A FR837769 A FR 837769A FR 837769D A FR837769D A FR 837769DA FR 837769 A FR837769 A FR 837769A
Authority
FR
France
Prior art keywords
switch
explosion
proof
switch device
proof switch
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)
Inventor
Joseph Belly
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 FR837769A publication Critical patent/FR837769A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
FR837769D 1937-06-08 1938-05-10 Switch device or explosion-proof switch Expired FR837769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU837769X 1937-06-08

Publications (1)

Publication Number Publication Date
FR837769A true FR837769A (en) 1939-02-20

Family

ID=19733997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837769D Expired FR837769A (en) 1937-06-08 1938-05-10 Switch device or explosion-proof switch

Country Status (1)

Country Link
FR (1) FR837769A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053623B (en) * 1953-08-27 1959-03-26 Licentia Gmbh Pressure-resistant switch housing
DE1060458B (en) * 1952-02-19 1959-07-02 Siemens Ag Switch for companies at risk of explosion
DE1062306B (en) * 1953-03-18 1959-07-30 Calor Emag Elektrizitaets Ag Flameproof housing for the flameproof encapsulation of electrical switchgear for rooms at risk of explosion or firedamp
DE1089443B (en) * 1957-05-31 1960-09-22 Raeder & Co Fernmeldeanlagen F Switchgear built into a cylindrical housing, protected against firedamp and explosion
DE1096452B (en) * 1957-02-11 1961-01-05 Licentia Gmbh Plunger switch with adjustable contact bridges

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060458B (en) * 1952-02-19 1959-07-02 Siemens Ag Switch for companies at risk of explosion
DE1062306B (en) * 1953-03-18 1959-07-30 Calor Emag Elektrizitaets Ag Flameproof housing for the flameproof encapsulation of electrical switchgear for rooms at risk of explosion or firedamp
DE1053623B (en) * 1953-08-27 1959-03-26 Licentia Gmbh Pressure-resistant switch housing
DE1096452B (en) * 1957-02-11 1961-01-05 Licentia Gmbh Plunger switch with adjustable contact bridges
DE1089443B (en) * 1957-05-31 1960-09-22 Raeder & Co Fernmeldeanlagen F Switchgear built into a cylindrical housing, protected against firedamp and explosion

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