GB447466A - Improvements in miners' and like safety lamps - Google Patents

Improvements in miners' and like safety lamps

Info

Publication number
GB447466A
GB447466A GB1289036A GB1289036A GB447466A GB 447466 A GB447466 A GB 447466A GB 1289036 A GB1289036 A GB 1289036A GB 1289036 A GB1289036 A GB 1289036A GB 447466 A GB447466 A GB 447466A
Authority
GB
United Kingdom
Prior art keywords
sleeve
miners
safety
wick tube
lamp
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
GB1289036A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1289036A priority Critical patent/GB447466A/en
Publication of GB447466A publication Critical patent/GB447466A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L23/00—Non-electric hand-lamps for miners

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

447,466. Miners' safety lamps. HAILWOOD, E. A., Beacon House, Texas Street, Morley, near Leeds. Nov. 13, 1934, No. 12890/36. Divided out of 447,406. [Classes 75 (i) and 75 (iv)] In a miner's safety lamp a sleeve S adjustable on the wick tube T carries a dull or matt imperforate screen S<4> against which the gas cap on the flame produced by the movement of the sleeve can be easily seen. The sleeve S may be operated either directly or through a lever pivoted to the wick tube by a pin P passing through the lamp reservoir. A slot S<1> may be formed in one side of the sleeve S and air gaps S<5> may be provided in its upper edges.
GB1289036A 1934-11-13 1934-11-13 Improvements in miners' and like safety lamps Expired GB447466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1289036A GB447466A (en) 1934-11-13 1934-11-13 Improvements in miners' and like safety lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1289036A GB447466A (en) 1934-11-13 1934-11-13 Improvements in miners' and like safety lamps

Publications (1)

Publication Number Publication Date
GB447466A true GB447466A (en) 1936-05-13

Family

ID=10013004

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289036A Expired GB447466A (en) 1934-11-13 1934-11-13 Improvements in miners' and like safety lamps

Country Status (1)

Country Link
GB (1) GB447466A (en)

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