FR870540A - Process for manufacturing reflectors, in particular for vehicle headlights - Google Patents

Process for manufacturing reflectors, in particular for vehicle headlights

Info

Publication number
FR870540A
FR870540A FR870540DA FR870540A FR 870540 A FR870540 A FR 870540A FR 870540D A FR870540D A FR 870540DA FR 870540 A FR870540 A FR 870540A
Authority
FR
France
Prior art keywords
vehicle headlights
manufacturing reflectors
reflectors
manufacturing
headlights
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
Other languages
French (fr)
Inventor
Friedrich Richard Dietrich
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
Application granted granted Critical
Publication of FR870540A publication Critical patent/FR870540A/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
    • F21V7/10—Construction
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/10—Protection of lighting devices
    • 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
    • F21S41/29—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR870540D 1938-09-14 1941-03-04 Process for manufacturing reflectors, in particular for vehicle headlights Expired FR870540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870540X 1938-09-14

Publications (1)

Publication Number Publication Date
FR870540A true FR870540A (en) 1942-03-13

Family

ID=6806965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870540D Expired FR870540A (en) 1938-09-14 1941-03-04 Process for manufacturing reflectors, in particular for vehicle headlights

Country Status (1)

Country Link
FR (1) FR870540A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6706180B2 (en) 2001-08-13 2004-03-16 Phase Inc. System for vibration in a centrifuge
USRE38494E1 (en) 1998-07-13 2004-04-13 Phase Inc. Method of construction for density screening outer transport walls
US6755969B2 (en) 2001-04-25 2004-06-29 Phase Inc. Centrifuge
US6805805B2 (en) 2001-08-13 2004-10-19 Phase Inc. System and method for receptacle wall vibration in a centrifuge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE38494E1 (en) 1998-07-13 2004-04-13 Phase Inc. Method of construction for density screening outer transport walls
US6755969B2 (en) 2001-04-25 2004-06-29 Phase Inc. Centrifuge
US6706180B2 (en) 2001-08-13 2004-03-16 Phase Inc. System for vibration in a centrifuge
US6805805B2 (en) 2001-08-13 2004-10-19 Phase Inc. System and method for receptacle wall vibration in a centrifuge

Similar Documents

Publication Publication Date Title
FR49645E (en) Process for manufacturing ethylene polymers
FR860555A (en) Manufacturing process for new synthetic resins
FR860383A (en) Manufacturing process for indetonating fuels
FR870540A (en) Process for manufacturing reflectors, in particular for vehicle headlights
FR51492E (en) Bodywork, in particular for vehicles
FR850318A (en) Headlight for vehicles, in particular for automobiles
CH221591A (en) Process for manufacturing sodium cyanide.
FR833569A (en) Monobloc pedal for cycle and its manufacturing process
FR838578A (en) Construction process for vehicle bodies
FR869448A (en) Manufacturing process for luminescent substances
FR808153A (en) Vehicle wheels manufacturing process
FR855413A (en) Headlight, especially for vehicles
CH205252A (en) Brazing process.
FR836082A (en) Manufacturing process for castings
FR579563A (en) Process for manufacturing radiators for engines, imitating the
FR799244A (en) Process for manufacturing disc wheels, in particular for automobiles
FR839811A (en) Process for the production of active soot
FR852058A (en) Manufacturing process for luminescent substances
FR740672A (en) Process for manufacturing coils, especially usable in radioelectricity
FR852701A (en) Seats, especially for vehicles
FR848725A (en) Casein manufacturing process
FR834557A (en) Process for manufacturing butane-diol-1. 3
FR868387A (en) Double windscreen wipers, especially for vehicles
FR51213E (en) Process for manufacturing pentaerythritis
FR832259A (en) Aminonitriles manufacturing process