GB618922A - Improvements in or relating to bent or profiled elements for indirect lighting fittings - Google Patents

Improvements in or relating to bent or profiled elements for indirect lighting fittings

Info

Publication number
GB618922A
GB618922A GB33654/46A GB3365446A GB618922A GB 618922 A GB618922 A GB 618922A GB 33654/46 A GB33654/46 A GB 33654/46A GB 3365446 A GB3365446 A GB 3365446A GB 618922 A GB618922 A GB 618922A
Authority
GB
United Kingdom
Prior art keywords
bent
indirect lighting
fitting
relating
nov
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
GB33654/46A
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.)
WILHELM CHRISTIAAN HULSMANN JR
Original Assignee
WILHELM CHRISTIAAN HULSMANN JR
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 WILHELM CHRISTIAAN HULSMANN JR filed Critical WILHELM CHRISTIAAN HULSMANN JR
Publication of GB618922A publication Critical patent/GB618922A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB33654/46A 1938-11-24 1946-11-13 Improvements in or relating to bent or profiled elements for indirect lighting fittings Expired GB618922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL618922X 1938-11-24

Publications (1)

Publication Number Publication Date
GB618922A true GB618922A (en) 1949-03-01

Family

ID=19788366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33654/46A Expired GB618922A (en) 1938-11-24 1946-11-13 Improvements in or relating to bent or profiled elements for indirect lighting fittings

Country Status (4)

Country Link
BE (1) BE469392A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR1014339A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB618922A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL50992C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Also Published As

Publication number Publication date
BE469392A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL50992C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR1014339A (fr) 1952-08-13

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