GB2124744A - Lamp with noctilucent lens holder - Google Patents

Lamp with noctilucent lens holder Download PDF

Info

Publication number
GB2124744A
GB2124744A GB08218986A GB8218986A GB2124744A GB 2124744 A GB2124744 A GB 2124744A GB 08218986 A GB08218986 A GB 08218986A GB 8218986 A GB8218986 A GB 8218986A GB 2124744 A GB2124744 A GB 2124744A
Authority
GB
United Kingdom
Prior art keywords
lamp
lens holder
luminous
light
noctilucent
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.)
Withdrawn
Application number
GB08218986A
Inventor
Ho Ra Chang
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.)
Nambang Corp
Original Assignee
Nambang Corp
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 Nambang Corp filed Critical Nambang Corp
Priority to GB08218986A priority Critical patent/GB2124744A/en
Publication of GB2124744A publication Critical patent/GB2124744A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/06—Electric lighting devices with self-contained electric batteries or cells with the light source coupled to the remainder of the device solely by cable
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

A lamp (1), particularly a miner's safety lamp, is provided with a noctilucent lens holder (2) so that in the event of an accident causing non functioning of the normal light source of the lamp, the lens holder will provide luminous light. <IMAGE>

Description

SPECIFICATION Safety lamp with noctilucent lens holder This invention relates to lamps and is particularly applicable to safety lamps which are used by miners attached to their helmets.
Usually, when a miner's lamp is turned off because of a pit accident, it is very hard to find his position because of the darkness inside the mining pit. If there is a glimmer light by the miner, it is easier to find the position of the victim of a pit accident.
It is known for miners to have luminous paint painted on the surface of their helmets in order to assist in finding the worker when the worker's lamp is turned off by a pit accident. However, such luminous paint painted on the surface of a helmet wears off during the passage of time. Also, because the light from the lamp is directed forwardly, little light is received by the helmet or the luminous paint thereon and the luminous quality quickly loses any power.
Summary of the invention An object of this invention is to provide an efficient luminous source suitable for use by miners or others. Therefore, the invention provides a lamp provided with a part, preferably the lens holder, which is normally illuminated by the light source, which is made of luminous material, preferably luminous resin.
Since the lens holder will normally be illuminated by the lamp bulb and the luminous material will not be abraded away like paint, the luminous source will retain its presence and strength to be always available when needed.
Brief description of the drawings One embodiment of the invention will now be described by way of example only with reference to the accompanying drawings of which: Figure 1 is the perspective view of a lens holder of a lamp in accordance with the invention, and Figure 2 is a perspective view of the lens holder attached to a lamp and battery.
Detailed description ofa preferred embodiment A lens holder 2 of a safety lamp 1 is composed of 80% to 90% of ABS resin and 10% to 20% of luminous material (powder of paint) so that the lens holder is noctilucent.
The lens holder, composed of the luminous resin, will keep receiving light from the lamp bulb as long as the lamp is turned on.
In the case of a pit accident, with the lamp going off the lens holder will instantly give a noctilucent light. Since the lens holder 2 receives light whenever the lamp is turned on, the luminous property of the noctilucent material of which the lens holder is made is semi-permanent. The noctilucent lens holder will give enough light so that either the worker will be able to find the way by himself in case of lamp failure, or the researches of the rescue team will be facilitated by the emission of the noctilucent light.
1. A lamp provided with a part, normally illuminated by the light source of the lamp, which part is made of luminous material.
2. A lamp according to claim 1 in which the material is a luminous resin.
3. A lamp according to claim 1 in which the material is composed of 80% to 90% ABS resin and 10% to 20% luminous paint powder.
4. A lamp according to any of claims 1 to 3 in which the part is the lens holder.
5. A lamp substantially as described herein with reference to or as illustrated in the accompanying drawings.
6. A lens holder of luminous material for a lamp according to any of the preceding claims.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (6)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Safety lamp with noctilucent lens holder This invention relates to lamps and is particularly applicable to safety lamps which are used by miners attached to their helmets. Usually, when a miner's lamp is turned off because of a pit accident, it is very hard to find his position because of the darkness inside the mining pit. If there is a glimmer light by the miner, it is easier to find the position of the victim of a pit accident. It is known for miners to have luminous paint painted on the surface of their helmets in order to assist in finding the worker when the worker's lamp is turned off by a pit accident. However, such luminous paint painted on the surface of a helmet wears off during the passage of time. Also, because the light from the lamp is directed forwardly, little light is received by the helmet or the luminous paint thereon and the luminous quality quickly loses any power. Summary of the invention An object of this invention is to provide an efficient luminous source suitable for use by miners or others. Therefore, the invention provides a lamp provided with a part, preferably the lens holder, which is normally illuminated by the light source, which is made of luminous material, preferably luminous resin. Since the lens holder will normally be illuminated by the lamp bulb and the luminous material will not be abraded away like paint, the luminous source will retain its presence and strength to be always available when needed. Brief description of the drawings One embodiment of the invention will now be described by way of example only with reference to the accompanying drawings of which: Figure 1 is the perspective view of a lens holder of a lamp in accordance with the invention, and Figure 2 is a perspective view of the lens holder attached to a lamp and battery. Detailed description ofa preferred embodiment A lens holder 2 of a safety lamp 1 is composed of 80% to 90% of ABS resin and 10% to 20% of luminous material (powder of paint) so that the lens holder is noctilucent. The lens holder, composed of the luminous resin, will keep receiving light from the lamp bulb as long as the lamp is turned on. In the case of a pit accident, with the lamp going off the lens holder will instantly give a noctilucent light. Since the lens holder 2 receives light whenever the lamp is turned on, the luminous property of the noctilucent material of which the lens holder is made is semi-permanent. The noctilucent lens holder will give enough light so that either the worker will be able to find the way by himself in case of lamp failure, or the researches of the rescue team will be facilitated by the emission of the noctilucent light. CLAIMS
1. A lamp provided with a part, normally illuminated by the light source of the lamp, which part is made of luminous material.
2. A lamp according to claim 1 in which the material is a luminous resin.
3. A lamp according to claim 1 in which the material is composed of 80% to 90% ABS resin and 10% to 20% luminous paint powder.
4. A lamp according to any of claims 1 to 3 in which the part is the lens holder.
5. A lamp substantially as described herein with reference to or as illustrated in the accompanying drawings.
6. A lens holder of luminous material for a lamp according to any of the preceding claims.
GB08218986A 1982-07-01 1982-07-01 Lamp with noctilucent lens holder Withdrawn GB2124744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08218986A GB2124744A (en) 1982-07-01 1982-07-01 Lamp with noctilucent lens holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08218986A GB2124744A (en) 1982-07-01 1982-07-01 Lamp with noctilucent lens holder

Publications (1)

Publication Number Publication Date
GB2124744A true GB2124744A (en) 1984-02-22

Family

ID=10531401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218986A Withdrawn GB2124744A (en) 1982-07-01 1982-07-01 Lamp with noctilucent lens holder

Country Status (1)

Country Link
GB (1) GB2124744A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034847A (en) * 1988-10-27 1991-07-23 Brain John E Portable light beacon
GB2307977A (en) * 1995-09-08 1997-06-11 Mark Garland Chapman Dual spectrum illumination system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112917A (en) * 1981-12-08 1983-07-27 Victor Stanley Basnayake Electric torch

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112917A (en) * 1981-12-08 1983-07-27 Victor Stanley Basnayake Electric torch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034847A (en) * 1988-10-27 1991-07-23 Brain John E Portable light beacon
GB2307977A (en) * 1995-09-08 1997-06-11 Mark Garland Chapman Dual spectrum illumination system

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)