GB1234616A - - Google Patents

Info

Publication number
GB1234616A
GB1234616A GB1234616DA GB1234616A GB 1234616 A GB1234616 A GB 1234616A GB 1234616D A GB1234616D A GB 1234616DA GB 1234616 A GB1234616 A GB 1234616A
Authority
GB
United Kingdom
Prior art keywords
cover
reflector
bulb
july
aperture
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
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
Priority claimed from FR64356A external-priority patent/FR1502670A/en
Application filed filed Critical
Publication of GB1234616A publication Critical patent/GB1234616A/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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/30—Ventilation or drainage of lighting devices
    • F21S45/33—Ventilation or drainage of lighting devices specially adapted for headlamps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

1,234,616. Vehicle headlamps. PROJECTEURS CIBIE. 12 July, 1968 [17 July, 1967], No. 33293/68. Addition to 1,177,230. Heading F4R. In a sealed headlamp unit the aperture at the rear of the reflector 1 in which the bulb 5 is mounted is closed by a removable cover 7 in sealed engagement with the reflector. The seal may comprise an inflatable member 20, situated between a flange 7b of the cover and an annulus defining the rear aperture of the reflector, or an 0-ring disposed between a pair of abutting flanges on the cover and reflector which are held together by clips. The unit when initially assembled may contain a particular atmosphere or air under reduced pressure, and a manually operable non-return valve may be provided in the cover so that the pressure differential can be destroyed before the cover is removed to replace the bulb.
GB1234616D 1966-06-06 1968-07-12 Expired GB1234616A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR64356A FR1502670A (en) 1966-06-06 1966-06-06 Improvements to waterproof projectors
FR114541A FR93813E (en) 1966-06-06 1967-07-17 Improvements to waterproof projectors.

Publications (1)

Publication Number Publication Date
GB1234616A true GB1234616A (en) 1971-06-09

Family

ID=8635215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234616D Expired GB1234616A (en) 1966-06-06 1968-07-12

Country Status (2)

Country Link
FR (1) FR93813E (en)
GB (1) GB1234616A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3004445A1 (en) * 1980-02-07 1981-08-13 Robert Bosch Gmbh, 7000 Stuttgart HEADLIGHTS FOR VEHICLES, ESPECIALLY FOR MOTOR VEHICLES
IT8522369V0 (en) * 1985-07-02 1985-07-02 Fidenza Vetraria Spa LAMPHOLDER SUPPORT STRUCTURE FOR PROJECTORS.
IT8522413V0 (en) * 1985-07-05 1985-07-05 Fidenza Vetraria Spa SUPPORT STRUCTURE SECTIONABLE LAMPHOLDER FOR PROJECTORS.

Also Published As

Publication number Publication date
DE1772888A1 (en) 1971-06-09
DE1772888B2 (en) 1977-02-24
FR93813E (en) 1969-05-23

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Legal Events

Date Code Title Description
PS Patent sealed