FR2324436A1 - Moule pour la realisation d'un element de lentille pour phare et son procede de fabrication - Google Patents

Moule pour la realisation d'un element de lentille pour phare et son procede de fabrication

Info

Publication number
FR2324436A1
FR2324436A1 FR7627979A FR7627979A FR2324436A1 FR 2324436 A1 FR2324436 A1 FR 2324436A1 FR 7627979 A FR7627979 A FR 7627979A FR 7627979 A FR7627979 A FR 7627979A FR 2324436 A1 FR2324436 A1 FR 2324436A1
Authority
FR
France
Prior art keywords
headlight
realization
mold
manufacturing process
lens element
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.)
Granted
Application number
FR7627979A
Other languages
English (en)
French (fr)
Other versions
FR2324436B1 (enExample
Inventor
Stanley Green
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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 Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2324436A1 publication Critical patent/FR2324436A1/fr
Application granted granted Critical
Publication of FR2324436B1 publication Critical patent/FR2324436B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00278—Lenticular sheets
    • 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)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Milling Processes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR7627979A 1975-09-20 1976-09-17 Moule pour la realisation d'un element de lentille pour phare et son procede de fabrication Granted FR2324436A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38691/75A GB1546805A (en) 1975-09-20 1975-09-20 Method of manufacturing a mould for producing a lens element and mould manufactured by that method

Publications (2)

Publication Number Publication Date
FR2324436A1 true FR2324436A1 (fr) 1977-04-15
FR2324436B1 FR2324436B1 (enExample) 1979-01-19

Family

ID=10405091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627979A Granted FR2324436A1 (fr) 1975-09-20 1976-09-17 Moule pour la realisation d'un element de lentille pour phare et son procede de fabrication

Country Status (9)

Country Link
JP (2) JPS5835805B2 (enExample)
AU (1) AU500878B2 (enExample)
BR (1) BR7606187A (enExample)
DE (1) DE2641615C2 (enExample)
ES (1) ES451681A1 (enExample)
FR (1) FR2324436A1 (enExample)
GB (1) GB1546805A (enExample)
IN (1) IN146506B (enExample)
IT (1) IT1066189B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585803A1 (fr) * 1985-08-02 1987-02-06 Bosch Gmbh Robert Phare pour vehicule, notamment phare de travail

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332438A (en) * 1979-03-23 1982-06-01 Lucas Industries Limited Lens element
JPS58179702U (ja) * 1982-05-27 1983-12-01 株式会社小糸製作所 車輌用前照灯
AT386080B (de) * 1986-03-07 1988-06-27 Futuritwerk Ag Lichtstreukoerper zur intensitaetsverteilung von licht
JPH01257504A (ja) * 1988-04-08 1989-10-13 Koito Mfg Co Ltd フレネルステップの加工方法
JP2603098B2 (ja) * 1988-04-08 1997-04-23 株式会社小糸製作所 フレネルステップの加工方法
US6476971B1 (en) * 2000-10-31 2002-11-05 Eastman Kodak Company Method of manufacturing a microlens array mold and a microlens array
US6402996B1 (en) * 2000-10-31 2002-06-11 Eastman Kodak Company Method of manufacturing a microlens and a microlens array
US6491481B1 (en) * 2000-10-31 2002-12-10 Eastman Kodak Company Method of making a precision microlens mold and a microlens mold
FR2849157B1 (fr) * 2002-12-20 2015-07-10 Valeo Vision Dispositif d'eclairage et/ou de signalisation du type projecteur ou feu pour vehicule automobile

Family Cites Families (5)

* 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
GB1387589A (en) * 1971-08-06 1975-03-19 Lucas Electrical Co Ltd Lenses
JPS5251518Y2 (enExample) * 1972-10-17 1977-11-22
JPS49151274U (enExample) * 1973-04-30 1974-12-27

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585803A1 (fr) * 1985-08-02 1987-02-06 Bosch Gmbh Robert Phare pour vehicule, notamment phare de travail

Also Published As

Publication number Publication date
JPS58181512A (ja) 1983-10-24
GB1546805A (en) 1979-05-31
IN146506B (enExample) 1979-06-23
ES451681A1 (es) 1977-11-16
BR7606187A (pt) 1977-06-14
JPS5835805B2 (ja) 1983-08-05
DE2641615C2 (de) 1984-05-17
AU1782776A (en) 1978-03-23
JPS5239713A (en) 1977-03-28
AU500878B2 (en) 1979-06-07
FR2324436B1 (enExample) 1979-01-19
IT1066189B (it) 1985-03-04
DE2641615A1 (de) 1977-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse