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GB1317083A - Lenses for road danger lamps - Google Patents

Lenses for road danger lamps

Info

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
Application number
GB1816371A
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.)
Chalwyn Ltd
Original Assignee
Chalwyn 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 Chalwyn Ltd filed Critical Chalwyn Ltd
Publication of GB1317083A publication Critical patent/GB1317083A/en
Expired legal-status Critical Current

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.
GB1816371A 1971-05-28 1971-05-28 Lenses for road danger lamps Expired GB1317083A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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