FR591462A - Improvements to explosion-proof closures for electrical devices - Google Patents

Improvements to explosion-proof closures for electrical devices

Info

Publication number
FR591462A
FR591462A FR591462DA FR591462A FR 591462 A FR591462 A FR 591462A FR 591462D A FR591462D A FR 591462DA FR 591462 A FR591462 A FR 591462A
Authority
FR
France
Prior art keywords
explosion
electrical devices
proof closures
closures
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.)
USINAGE DE MATERIEL ELECTR SOC
Original Assignee
USINAGE DE MATERIEL ELECTR SOC
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 USINAGE DE MATERIEL ELECTR SOC filed Critical USINAGE DE MATERIEL ELECTR SOC
Application granted granted Critical
Publication of FR591462A publication Critical patent/FR591462A/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
    • H01H9/043—Explosion-proof cases with pressure-relief devices
FR591462D 1924-01-10 1925-01-08 Improvements to explosion-proof closures for electrical devices Expired FR591462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB75224A GB231600A (en) 1924-01-10 1924-01-10 Improvements in explosion proof closures for electrical apparatus

Publications (1)

Publication Number Publication Date
FR591462A true FR591462A (en) 1925-07-04

Family

ID=9709897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR591462D Expired FR591462A (en) 1924-01-10 1925-01-08 Improvements to explosion-proof closures for electrical devices

Country Status (2)

Country Link
FR (1) FR591462A (en)
GB (1) GB231600A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743035A (en) * 1952-10-09 1956-04-24 Charles F Fogarty Explosion proof battery enclosure

Also Published As

Publication number Publication date
GB231600A (en) 1925-04-09

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