GB743372A - Improvements relating to flame-proof housings for electric apparatus - Google Patents

Improvements relating to flame-proof housings for electric apparatus

Info

Publication number
GB743372A
GB743372A GB2424353A GB2424353A GB743372A GB 743372 A GB743372 A GB 743372A GB 2424353 A GB2424353 A GB 2424353A GB 2424353 A GB2424353 A GB 2424353A GB 743372 A GB743372 A GB 743372A
Authority
GB
United Kingdom
Prior art keywords
housing
flame
layer
electric apparatus
sept
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
GB2424353A
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.)
Calor Emag AG
Original Assignee
Calor Emag 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 Calor Emag AG filed Critical Calor Emag AG
Publication of GB743372A publication Critical patent/GB743372A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
GB2424353A 1952-09-27 1953-09-02 Improvements relating to flame-proof housings for electric apparatus Expired GB743372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1952C0006474 DE976412C (de) 1952-09-27 1952-09-27 Druckfestes Gehaeuse aus Metall fuer elektrische Schaltgeraete

Publications (1)

Publication Number Publication Date
GB743372A true GB743372A (en) 1956-01-11

Family

ID=7013912

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2424353A Expired GB743372A (en) 1952-09-27 1953-09-02 Improvements relating to flame-proof housings for electric apparatus

Country Status (4)

Country Link
BE (1) BE522155A (enrdf_load_stackoverflow)
DE (1) DE976412C (enrdf_load_stackoverflow)
GB (1) GB743372A (enrdf_load_stackoverflow)
NL (1) NL103213C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1176228B (de) * 1953-11-06 1964-08-20 Siemens Ag Gehaeuse fuer schlagwetter- und explosionssicher gekapselte Geraete und Maschinen aus Aluminium bzw. Aluminiumlegierungen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652004C (de) * 1935-01-12 1937-10-23 Siemens Schuckertwerke Akt Ges Schlagwettergeschuetzte Leuchte
DE733463C (de) * 1935-02-27 1943-03-26 Stotz Kontakt Gmbh Metallisierte Isolierstoffabdeckung fuer elektrische Installations-Apparate, wie Schalter, Steckdosen o. dgl.
US2208558A (en) * 1938-11-19 1940-07-23 Appleton Electric Co Multiple-chambered explosionproof box and fitting
US2333547A (en) * 1939-01-10 1943-11-02 Westinghouse Electric & Mfg Co Explosion-proof circuit interrupter
US2284613A (en) * 1940-01-05 1942-05-26 Westinghouse Electric & Mfg Co Explosionproof circuit interrupting apparatus
US2345757A (en) * 1940-02-02 1944-04-04 Crouse Hinds Co Explosion-proof switch housing
DE761170C (de) * 1941-04-01 1951-08-09 Bosch Gmbh Robert Gehaeuse fuer schlagwettergeschuetzte, insbesondere elektrische Geraete und Maschinen
DE757940C (de) * 1941-04-16 1953-09-14 Stotz Kontakt Gmbh Abdichtung beweglicher oder ortsfester Teile in den Durchtrittsoeffnungen keramischer Gehaeuse von explosionsgeschuetzten Geraeten
DE859912C (de) * 1951-03-21 1952-12-18 Siemens Ag Dichter Gehaeuseverschluss fuer elektrische Geraete

Also Published As

Publication number Publication date
BE522155A (enrdf_load_stackoverflow)
DE976412C (de) 1963-08-14
NL103213C (enrdf_load_stackoverflow)

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