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Visor provided with a uv-sensitive material

a technology of uv-sensitive materials and visors, applied in the field of visors, can solve the problems of reducing visibility and adversely affecting traffic safety, and achieve the effect of reducing visibility

Inactive Publication Date: 2015-06-04
HD INSPIRATION HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a new type of visor with improved optical properties that can be used in all light conditions, including twilight. It has a curved transparent plate with a layer of photochromic material, which changes color when exposed to light. The visor also has a seal to prevent water from getting between the transparent plate and the photochromic layer. Additionally, there is an anti-scratch coating on the outer side of the photochromic layer. This new visor helps to improve traffic safety and provides better visibility for the driver.

Problems solved by technology

A drawback of the known visors is the fact that they stop a certain amount of radiation under all conditions, also in those conditions, such as twilight, in which by nature comparatively little light is available anyhow.
In such cases the known visor makes it more difficult to distinguish objects and reduces visibility, which has an adverse effect on traffic safety.

Method used

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  • Visor provided with a uv-sensitive material
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  • Visor provided with a uv-sensitive material

Examples

Experimental program
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Embodiment Construction

[0019]FIGS. 1A and 1B each show a top plan view of a shield or visor 1, which usually protects the face, which can be detachably or undetachably connected to a helmet, a mask or generally a head covering (not shown). The visor 1 comprises a transparent plate 2, which is bent in FIGS. 1A and 1B, generally a two- or three-dimensionally bent plate, which plate, when used on a helmet, will usually be made of a flexible, transparent plastic, such as polycarbonate, by thermal molding or injection-molding. The plate 2 has an inner side 3, which faces towards the helmet or the user, and an outer side 4.

[0020]In the embodiment that is shown in FIG. 1A, a recess 5 has been formed in the outer side 4, the depth of said recess being equal to the thickness of the layer 6 of a light-sensitive material (yet to be explained hereinafter), so that the surface at the front side of the visor 1 is flat, which reduces the occurrence of local turbulence which may be accompanied by objectionable whistling ...

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PUM

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Abstract

A visor having a curved transparent plate includes a photochromic material layer detachably mounted on the transparent plate. The photochromic material layer including a photochromic pigment is provided at the convex outer side of the transparent plate and a seal element is provided at a location to maintain a certain spacing between the transparent plate and the photochromic material layer and to prevent water ingress between the two surfaces. An anti-scratch coating is applied at an outer side of the photochromic material layer.

Description

BACKGROUND OF THE INVENTION[0001]The present application is a continuation application of U.S. patent application Ser. No. 12 / 520,722, filed on Oct. 30, 2009, which is a U.S. national stage application of PCT / NL2007 / 050672, filed on Dec. 19, 2007 and which claims priority from NL-1033103 filed on Dec. 21, 2006, the entire contents of each of which are incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to a visor comprising at least one transparent plate. The present invention further relates to a helmet provided with such a visor.DESCRIPTION OF THE RELATED ART[0003]Such a visor, for example for a helmet, a window, goggles or another surface is generally known. Furthermore, visors are known for use in, for example, windows of cars, ships, etc., and for helmets, for example for motorcyclists, pilots and personnel of emergency services such as the police or the army, which visors are provided with a slightly tinted material so as to provide some ...

Claims

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Application Information

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IPC IPC(8): G02B5/23G02B5/20G02B1/18G02B27/00G02B7/00A42B3/22G02B1/14
CPCG02B5/23A42B3/226G02B5/208G02B1/18G02B27/0006G02B7/006G02B1/14
Inventor ARNOLD, DEREK LESLIE
Owner HD INSPIRATION HLDG