GB1301659A - - Google Patents

Info

Publication number
GB1301659A
GB1301659A GB2405569A GB1301659DA GB1301659A GB 1301659 A GB1301659 A GB 1301659A GB 2405569 A GB2405569 A GB 2405569A GB 1301659D A GB1301659D A GB 1301659DA GB 1301659 A GB1301659 A GB 1301659A
Authority
GB
United Kingdom
Prior art keywords
projections
radius
rows
partspherical
heading
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
GB2405569A
Other languages
English (en)
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 filed Critical
Publication of GB1301659A publication Critical patent/GB1301659A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Glass Compositions (AREA)
GB2405569A 1969-05-12 1969-05-12 Expired GB1301659A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2405569 1969-05-12

Publications (1)

Publication Number Publication Date
GB1301659A true GB1301659A (fr) 1973-01-04

Family

ID=10205655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2405569A Expired GB1301659A (fr) 1969-05-12 1969-05-12

Country Status (4)

Country Link
DE (1) DE2022442A1 (fr)
ES (1) ES158104Y (fr)
FR (1) FR2046337A5 (fr)
GB (1) GB1301659A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548498A (en) * 1993-12-20 1996-08-20 Koito Manufacturing Co., Ltd. Vehicular lamp having appearance of depth

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1387589A (en) * 1971-08-06 1975-03-19 Lucas Electrical Co Ltd Lenses
US4332438A (en) * 1979-03-23 1982-06-01 Lucas Industries Limited Lens element
FR2610083B1 (fr) * 1987-01-23 1991-02-08 Axo Equip Automobile Voyant de feu de signalisation
GB9206177D0 (en) * 1992-03-20 1992-05-06 Flexible Lamps Ltd Lamp assembly
DE102012005826A1 (de) * 2012-03-22 2013-09-26 Volkswagen Aktiengesellschaft Optikelement für eine Fahrzeugleuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548498A (en) * 1993-12-20 1996-08-20 Koito Manufacturing Co., Ltd. Vehicular lamp having appearance of depth

Also Published As

Publication number Publication date
ES158104Y (es) 1971-02-01
FR2046337A5 (fr) 1971-03-05
ES158104U (es) 1970-07-01
DE2022442A1 (de) 1970-11-19

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee