GB678077A - Improvements in flame-proof electric switchgear boxes - Google Patents

Improvements in flame-proof electric switchgear boxes

Info

Publication number
GB678077A
GB678077A GB625451A GB625451A GB678077A GB 678077 A GB678077 A GB 678077A GB 625451 A GB625451 A GB 625451A GB 625451 A GB625451 A GB 625451A GB 678077 A GB678077 A GB 678077A
Authority
GB
United Kingdom
Prior art keywords
flame
proof electric
electric switchgear
boxes
switchgear boxes
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
GB625451A
Inventor
Alexander Anderson
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.)
Anderson Boyes and Co Ltd
Original Assignee
Anderson Boyes and Co Ltd
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 Anderson Boyes and Co Ltd filed Critical Anderson Boyes and Co Ltd
Priority to GB625451A priority Critical patent/GB678077A/en
Publication of GB678077A publication Critical patent/GB678077A/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

Landscapes

  • Patch Boards (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

678,077. Switch cases. ANDERSON, BOYES & CO., Ltd. March 15, 1951. No. 6254/51. Addition to 623,161. Drawings to Specification. Class 38 (v). The flameproof switchgear box of the parent Specification is modified by the use of only one door-locking bolt instead of three.
GB625451A 1951-03-15 1951-03-15 Improvements in flame-proof electric switchgear boxes Expired GB678077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB625451A GB678077A (en) 1951-03-15 1951-03-15 Improvements in flame-proof electric switchgear boxes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB625451A GB678077A (en) 1951-03-15 1951-03-15 Improvements in flame-proof electric switchgear boxes

Publications (1)

Publication Number Publication Date
GB678077A true GB678077A (en) 1952-08-27

Family

ID=9811197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB625451A Expired GB678077A (en) 1951-03-15 1951-03-15 Improvements in flame-proof electric switchgear boxes

Country Status (1)

Country Link
GB (1) GB678077A (en)

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