Stock material or miscellaneous articles – Layer or component removable to expose adhesive
Reexamination Certificate
1999-03-03
2001-06-26
Ahmad, Nasser (Department: 1772)
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
C040S542000, C252S30140F, C252S30160F, C252S301330, C428S041300, C428S041600, C428S041700, C428S042100, C428S201000, C428S202000, C428S913000
Reexamination Certificate
active
06251491
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to the method of manufacturing a luminous sticker having ornamental effect and more particularly, to a luminous sticker having ornamental effect, which double-faced adhesive paper is adhering to heterogeneous pasteboard, wherein the sticker, after forming a plastic luminous layer, which is a family of polyurethane, having light condensing material which has good brightness and has long luminous time, plastic film, on which a decorative pattern is printed, is configured to be adhering on it.
2. Discussion of Related Art
Generally speaking, even though residential space such as a house and an office has illumination facilities for night, it is difficult to identify things because it is too dark indoors at the time of sudden electric power failure and blackout. Especially, there comes concern about a big accident taking place since users could not find the right place of a power switch and a doorway and an emergency exit. In addition to that, modern skyscrapers are mostly made of a cement structure and their windows are too small, so that it can be inconvenient for a user to identify the place of stairs and elevators due to sudden darkness when he comes in from the outside as it is too dark although it is day time in case that it is very cloudy.
In order to solve the above problems, previously, the additional installation of indoor emergency light or a tail light may be done or a small light may be installed at a switch box to be turned on or off so that a user may confirm the location of a light switch.
However these methods result in problems such as the unnecessary lose of electric power, the cumbersome of location confirmation, and the addition of cost.
Meanwhile, in order to conceal the dirty part and ornaments at a specific place, used are often the methods that a picture or pictures and writings are suspended or stickers are attached. However there is no different effect other than an ornamental effect when using a sticker. Also there is a week point in that a pattern part gets discolored by sunlight with ease and, if a fixed time elapses, gets dirty, and in the night it is impossible to identify things with a naked eye.
SUMMARY OF THE INVENTION
Accordingly, in order to overcome such drawbacks in the conventional art, it is therefore an object of the present invention to provide a luminous sticker, having an inherent ornamental effect specific to a sticker, which has an elegant decorative effect by emitting light within a dark building or in the night when a light turns off.
It is another object to provide relatively low cost sticker having the above object.
To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described, there is provided a method of manufacturing a luminous sticker having heterogeneous pasteboard
1
, double-faced adhesive paper
2
, and a luminous layer
3
, wherein the sticker has a luminous layer
3
by adding light condensing material, which has good brightness and has long luminous time, to plastics which is a family of polyurethane, and has a surface protection layer
4
by attaching a transparent plastic film, on which a decorative pattern is printed on the back surface, to the upper of the luminous layer
3
.
According to another aspect of the present invention, there is also provided the method of manufacturing a luminous sticker according to claim
1
, wherein above light condensing material adds europium Eu as activator material to an aluminate ingredient which is alkali metals and is composed and manufactured, after adding at least one element among lanthanoid elements such as cerium Ce, praseodymium Pr, neodymium Nd, terbium Tb, holmium Ho.
According to another aspect of the present invention, there is also provided the method of manufacturing a luminous sticker according to claim
1
and
2
, wherein luminous layer
3
adds 5-10 weight % of light condensing material to plastic which is a family of polyurethane.
REFERENCES:
patent: 4054697 (1977-10-01), Reed et al.
patent: 4567072 (1986-01-01), Brainard et al.
patent: 4605592 (1986-08-01), Paquette et al.
patent: 5362374 (1994-11-01), Chang
patent: 5839718 (1998-11-01), Hase
patent: 11-43651 (1999-02-01), None
Abstract of Japanese Patent Publ. No. 9-158064; dated Jun. 17, 1997.
Abstract of Japanese Patent Publ. No. 10-020790; dated Jan. 23, 1998.
Ahmad Nasser
Arent Fox Plotkin Kintner & Kahn, PLLC
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