IT974630B - Lenti particolarmente destinate all uso su fari di autoveicoli - Google Patents

Lenti particolarmente destinate all uso su fari di autoveicoli

Info

Publication number
IT974630B
IT974630B IT27217/72A IT2721772A IT974630B IT 974630 B IT974630 B IT 974630B IT 27217/72 A IT27217/72 A IT 27217/72A IT 2721772 A IT2721772 A IT 2721772A IT 974630 B IT974630 B IT 974630B
Authority
IT
Italy
Prior art keywords
particularly intended
vehicle headlights
lenses particularly
lenses
headlights
Prior art date
Application number
IT27217/72A
Other languages
English (en)
Original Assignee
Lucas Electrical Co Ltd
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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Application granted granted Critical
Publication of IT974630B publication Critical patent/IT974630B/it

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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
IT27217/72A 1971-08-06 1972-07-20 Lenti particolarmente destinate all uso su fari di autoveicoli IT974630B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3703171A GB1387589A (en) 1971-08-06 1971-08-06 Lenses

Publications (1)

Publication Number Publication Date
IT974630B true IT974630B (it) 1974-07-10

Family

ID=10393179

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27217/72A IT974630B (it) 1971-08-06 1972-07-20 Lenti particolarmente destinate all uso su fari di autoveicoli

Country Status (6)

Country Link
AU (1) AU470060B2 (it)
DE (1) DE2236167C2 (it)
ES (1) ES405829A1 (it)
FR (1) FR2148434B1 (it)
GB (1) GB1387589A (it)
IT (1) IT974630B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198182A (en) * 1975-09-20 1980-04-15 Lucas Industries Limited Method of manufacturing a mould for producing a lamp lens element
GB1546805A (en) * 1975-09-20 1979-05-31 Lucas Industries Ltd Method of manufacturing a mould for producing a lens element and mould manufactured by that method
US4332438A (en) * 1979-03-23 1982-06-01 Lucas Industries Limited Lens element
DE10210780A1 (de) * 2002-03-12 2004-04-08 Hella Kg Hueck & Co. Innenleuchte für Fahrzeuge mit einer Streuscheibe
DE102004042125B4 (de) * 2004-08-30 2008-05-08 Schefenacker Vision Systems Germany Gmbh & Co. Kg Leuchteinheit mit einer Vielzahl gekrümmter Flächenelemente
EP3130947B1 (en) * 2014-04-11 2019-10-02 Kuraray Co., Ltd. Method for designing light diffusion pattern, method for manufacturing light diffusion plate, and light diffusion plate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137079A (en) * 1935-11-22 1938-11-15 Gen Motors Corp Lens
US2890627A (en) * 1950-03-04 1959-06-16 Gen Motors Corp Method for making lens mold
US2758200A (en) * 1950-07-22 1956-08-07 Holophane Co Inc Light transmitters and diffusers
AT247456B (de) * 1963-07-15 1966-06-10 Austrolux Wiener Elektro Glas, insbesondere Kunstglas für Beleuchtungszwecke
DE1447102A1 (de) * 1964-11-21 1969-07-10 Vni Swetotechnitscheskij I Streuscheibe fuer Beleuchtungskoerper mit Reflexionsoptik
GB1301659A (it) * 1969-05-12 1973-01-04

Also Published As

Publication number Publication date
GB1387589A (en) 1975-03-19
FR2148434A1 (it) 1973-03-23
AU4471372A (en) 1974-02-07
FR2148434B1 (it) 1976-01-16
DE2236167A1 (de) 1973-02-15
DE2236167C2 (de) 1984-02-09
ES405829A1 (es) 1976-01-16
AU470060B2 (en) 1976-03-04

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