GB2202039B - An improved electric lighting fitting - Google Patents

An improved electric lighting fitting

Info

Publication number
GB2202039B
GB2202039B GB8802469A GB8802469A GB2202039B GB 2202039 B GB2202039 B GB 2202039B GB 8802469 A GB8802469 A GB 8802469A GB 8802469 A GB8802469 A GB 8802469A GB 2202039 B GB2202039 B GB 2202039B
Authority
GB
United Kingdom
Prior art keywords
improved electric
electric lighting
lighting fitting
fitting
improved
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 - Lifetime
Application number
GB8802469A
Other versions
GB2202039A (en
GB8802469D0 (en
Inventor
Robert John Mee
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Publication of GB8802469D0 publication Critical patent/GB8802469D0/en
Publication of GB2202039A publication Critical patent/GB2202039A/en
Application granted granted Critical
Publication of GB2202039B publication Critical patent/GB2202039B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB8802469A 1987-02-05 1988-02-04 An improved electric lighting fitting Expired - Lifetime GB2202039B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878702549A GB8702549D0 (en) 1987-02-05 1987-02-05 Electric light fitting

Publications (3)

Publication Number Publication Date
GB8802469D0 GB8802469D0 (en) 1988-03-02
GB2202039A GB2202039A (en) 1988-09-14
GB2202039B true GB2202039B (en) 1990-05-16

Family

ID=10611744

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878702549A Pending GB8702549D0 (en) 1987-02-05 1987-02-05 Electric light fitting
GB8802469A Expired - Lifetime GB2202039B (en) 1987-02-05 1988-02-04 An improved electric lighting fitting

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878702549A Pending GB8702549D0 (en) 1987-02-05 1987-02-05 Electric light fitting

Country Status (1)

Country Link
GB (2) GB8702549D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357332A (en) * 1999-12-15 2001-06-20 John Wood Lighting reflector comprising a plurality of contiguous portions
ITMI20050180U1 (en) * 2005-05-16 2006-11-17 Guzzini Illuminazione S P A I LIGHTING APPARATUS WITH IMPROVED PROTECTION FOR PENETRATION OF WATER IN ITS INTERIOR

Also Published As

Publication number Publication date
GB2202039A (en) 1988-09-14
GB8702549D0 (en) 1987-03-11
GB8802469D0 (en) 1988-03-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940204