JPH0128552Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of application of the invention) This invention relates to a traffic guidance signboard for informing motorists and passersby of traffic regulations and other traffic conditions due to road construction, accidents, etc.

(Background of the invention) There are many types of road traffic information signboards that inform car drivers and passersby about the traffic situation. 1 is used.

Conventionally, the surface of the display part 1a of these information signboards 1 is painted with white synthetic resin paint, and characters are written on this surface with paint or the like, or characters are screen printed on this surface. Signboards are installed on the roadside in front of the construction site to provide traffic guidance.

In addition, a cone-shaped safety cone (the one made of rubber is called a rubber cone, and the one made of plastic is called a color cone) is used as an alternative to the above signboard.
A large number of them were installed in an array to regulate traffic.

The above-mentioned traffic information signboard could not be used to indicate anything other than one eye, and the text was written in black or red on the surface of the white paint, so this signboard was used for indications in twilight and dusk. There were defects that were difficult to see at night or under weather conditions.

Furthermore, in the case of safety cones, there are no guide signs, so drivers cannot obtain information as to why the traffic is being regulated. For this reason and the traffic jams, drivers and others become mentally irritated, which may even lead to traffic accidents.

(Purpose of this invention) This invention allows marked characters and figures to be arbitrarily written on the surface of a signboard, and also allows the marked characters to be easily changed to other characters, etc., and the entire surface of the sign reflects retroreflection to display characters, etc. This invention aims to provide a traffic guide signboard with clear markings and excellent visibility.

(Structure of the present invention) The traffic guide signboard of the present invention is constructed by adhering and solidifying a retroreflective sheet to the entire surface of the sign.

(Embodiment of the present invention) Figures 2 and below show an embodiment of the traffic guide signboard of the present invention. This signboard 1 has a retroreflective sheet 2 (e.g. Scotchilite, a trademark of Sumitomo 3M Limited) glued and fixed on the entire surface of the display section 1a, so that letters and figures can be written on with an oil-based paint brush and wiped off with benzene. There is.

The external shape of the signboard can be any shape, and as described above, the retroreflective sheet 2 is adhesively fixed to the entire surface of the display section 1a, and an oil-based paint brush (for example, Mitsubishi Paint Marker, trade name) is used on the surface of this sheet 2 to form an arbitrary shape. It is used to describe the guide sign characters, etc.

If you want to change the written characters on a signboard to other characters, you can wipe off the written characters with a cloth soaked in benzine, and then write new guide characters.

The structure of the retroreflective sheet 2 is as shown in FIG.
A large number of fine spherical lenses 5 are scattered on the surface by spacers 4, and the surface is made of a transparent plastic film 6. On the back side of the reflective layer 3,
Adhesive layer 7 is applied and release paper 8 is pasted. When characters, etc. are written on the surface of the transparent plastic film 6 with an oil-based paint brush, the oil-based paint does not penetrate into the inside of the film 6, but since the written characters are oil-based, they will not be erased by rainwater or the like. Moreover, it has the great feature that it is extremely easy to rewrite because it can be easily erased using benzene.

(Effects of the present invention) (1) Since the entire surface of the signboard is composed of a retroreflective sheet (the background color is determined arbitrarily), if the sun's rays hit it from a car's headlights or from different angles, it will change the day and night and other weather conditions. Regardless of the situation, the surface shines through retroreflection, and the written characters appear as if they are embossed in black and are clearly displayed, allowing drivers and others to accurately see the signs.

(2) Quick-drying oil-based paint has excellent weather resistance, so it will not fade or become unclear even when exposed to wind, rain, or snow.

(3) When the markings change, for example, when "one lane of traffic is restricted due to road construction" changes to "road is closed due to an accident," immediately remove the oil-based paint with benzene and replace with a new one. Signs can be rewritten to quickly and specifically notify passersby of the reason for the traffic stop.

(4) Therefore, it is possible to quickly display signs that suit the on-site conditions, reduce driver irritation, prevent traffic accidents, and contribute to smoother traffic flow.

[Brief explanation of drawings]

FIG. 1 is a perspective view illustrating a conventional traffic guide signboard, FIG. 2 is a front view illustrating a signboard according to the present invention, and FIG. 3 is a partial sectional view of a retroreflective sheet. Reference Signs List 1: Information signboard, 1a: Display section, 2: Retroreflective sheet, 3: Reflective layer, 4: Spacer, 5: Spherical lens, 6: Transparent plastic film, 7: Adhesive layer, 8: Release paper.

Claims (1)

[Scope of utility model registration request] A retroreflective sheet in which the surface is formed of a transparent plastic film 6 on which letters, figures, etc. can be written with oil-based paint and erased with benzine, and a large number of fine spherical lenses 5 are scattered inside the transparent plastic film 6 by spacers 4. 2 is adhesively fixed to the entire surface of the display portion 1a of the traffic information signboard.