GB1317083A - Lenses for road danger lamps - Google Patents
Lenses for road danger lampsInfo
- Publication number
- GB1317083A GB1317083A GB1816371A GB1317083DA GB1317083A GB 1317083 A GB1317083 A GB 1317083A GB 1816371 A GB1816371 A GB 1816371A GB 1317083D A GB1317083D A GB 1317083DA GB 1317083 A GB1317083 A GB 1317083A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lens
- lamp
- road danger
- moulded
- lenses
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q7/00—Arrangement or adaptation of portable emergency signal devices on vehicles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
1317083 Road danger lamp CHALWYN Ltd 28 April 1972 [28 May 1971] 18163/71 Heading F4R A road danger lamp suitable to be fuelled by paraffin has a lens of injection-moulded thermoplastics which is resistant to paraffin and the heat generated by the lamp. The lens is preferably moulded from red, amber, blue or green polycarbonate to give a domed centre 1 while the outer part 4 of the lens is moulded from a different coloured material or the inner or outer surface of the part 4 is silvered or whitened to act as a reflector. The external bead 6 of the lens has four lugs 7 which are snapped past the lip of the metal case of the lamp.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1816371 | 1971-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1317083A true GB1317083A (en) | 1973-05-16 |
Family
ID=10107734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1816371A Expired GB1317083A (en) | 1971-05-28 | 1971-05-28 | Lenses for road danger lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1317083A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440517A2 (en) * | 1978-10-30 | 1980-05-30 | Iao Industrie Riunite Spa | LAMP FOR MOTOR VEHICLES |
EP2871411B1 (en) | 2013-11-06 | 2016-08-31 | Zumtobel Lighting GmbH | Optical element for a lamp, and lamp |
-
1971
- 1971-05-28 GB GB1816371A patent/GB1317083A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440517A2 (en) * | 1978-10-30 | 1980-05-30 | Iao Industrie Riunite Spa | LAMP FOR MOTOR VEHICLES |
EP2871411B1 (en) | 2013-11-06 | 2016-08-31 | Zumtobel Lighting GmbH | Optical element for a lamp, and lamp |
EP2871411B2 (en) † | 2013-11-06 | 2021-07-07 | Zumtobel Lighting GmbH | Optical element for a lamp, and lamp |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
414F | Notice of opposition given (sect. 14/1949) | ||
414E | Application relinquished (sect. 14/1949) | ||
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |