FR393107A - Glass body to surround sources of artificial light, protective glasses for the eyes and light filters absorbing ultraviolet rays - Google Patents

Glass body to surround sources of artificial light, protective glasses for the eyes and light filters absorbing ultraviolet rays

Info

Publication number
FR393107A
FR393107A FR393107DA FR393107A FR 393107 A FR393107 A FR 393107A FR 393107D A FR393107D A FR 393107DA FR 393107 A FR393107 A FR 393107A
Authority
FR
France
Prior art keywords
light
eyes
ultraviolet rays
glass body
absorbing ultraviolet
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)
Inventor
Friedrich Albin Schanz
Karl Stockhausen
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
Application granted granted Critical
Publication of FR393107A publication Critical patent/FR393107A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
    • F21V37/0004—Details of lighting devices employing combustion as light source, not otherwise provided for using liquid fuel
    • F21V37/0075—Fastening or safety devices for reflectors, cover glasses or chimneys
    • F21V37/0079—Fastening of chimneys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
FR393107D 1907-07-27 1908-07-27 Glass body to surround sources of artificial light, protective glasses for the eyes and light filters absorbing ultraviolet rays Expired FR393107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE393107X 1907-07-27

Publications (1)

Publication Number Publication Date
FR393107A true FR393107A (en) 1908-12-14

Family

ID=1438429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393107D Expired FR393107A (en) 1907-07-27 1908-07-27 Glass body to surround sources of artificial light, protective glasses for the eyes and light filters absorbing ultraviolet rays

Country Status (1)

Country Link
FR (1) FR393107A (en)

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