GB685792A - A housing protected against fire-damp, particularly for electric switches and like apparatus - Google Patents

A housing protected against fire-damp, particularly for electric switches and like apparatus

Info

Publication number
GB685792A
GB685792A GB1901650A GB1901650A GB685792A GB 685792 A GB685792 A GB 685792A GB 1901650 A GB1901650 A GB 1901650A GB 1901650 A GB1901650 A GB 1901650A GB 685792 A GB685792 A GB 685792A
Authority
GB
United Kingdom
Prior art keywords
casing
protected against
screw
against fire
damp
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
GB1901650A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB685792A publication Critical patent/GB685792A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/16—Pivoted closures
    • F16J13/18—Pivoted closures pivoted directly on the frame

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Fire Alarms (AREA)
GB1901650A 1949-08-05 1950-07-31 A housing protected against fire-damp, particularly for electric switches and like apparatus Expired GB685792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1949P0051186 DE833663C (de) 1949-08-05 1949-08-05 Schlagwettergeschuetztes Gehaeuse, insbesondere fuer elektrische Schalter und Geraete

Publications (1)

Publication Number Publication Date
GB685792A true GB685792A (en) 1953-01-14

Family

ID=7384916

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1901650A Expired GB685792A (en) 1949-08-05 1950-07-31 A housing protected against fire-damp, particularly for electric switches and like apparatus

Country Status (3)

Country Link
DE (1) DE833663C (xx)
GB (1) GB685792A (xx)
NL (1) NL75556C (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182325B (de) * 1957-04-24 1964-11-26 Houilleres Bassin Du Nord Schlagwettersicheres Gehaeuse zur Aufnahme elektrischer Schalt- und Funktionselemente von Untertagebetrieben
DE1239216B (de) * 1960-03-02 1967-04-20 Elin Union Ag Scharnier fuer durch einen Schraubkeilverschluss verschliessbare Gehaeusetueren fuerexplosions- bzw. schlagwettergeschuetzte Schaltgeraete

Also Published As

Publication number Publication date
NL75556C (xx) 1954-03-15
DE833663C (de) 1952-03-10

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