KR101511277B1 - Advertisement sheet for attaching to conveyor belt and method for advertising using the same - Google Patents

Abstract

Disclosed are an advertisement sheet to be attached to a conveyor belt and an advertisement method using the same. The advertisement sheet to be attached to a conveyor belt comprises: a polyurethane film to display information or advertisements; and an adhesive layer arranged on one side of the polyurethane film.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an advertising sheet for attaching a conveyor belt and an advertisement method using the advertisement sheet,

Disclosed is an advertising sheet for a conveyor belt attachment and an advertising method using the advertising sheet. More specifically, a advertising sheet for a conveyor belt attachment comprising a polyurethane film and an advertising method using the advertising sheet are disclosed.

A method of advertising or providing information via a conveyor belt is disclosed in German Patent No. 4128664. The method includes cutting a portion of the conveyor belt and then filling the cut portion with rubber of a different color than the color of the conveyor belt to produce information or advertising displays. However, this method is known to cause a problem that when the conveyor belt is operated, the engagement between the rubber and the conventional conveyor belt is damaged in a short time or the rubber is peeled from the existing conveyor belt. Furthermore, the above method can provide very simple information or advertisement display due to the technical characteristics of cutting the conveyor belt and filling the rubber into the cut part, and it is a problem that the manufacturing time per one information or advertisement display is long and the manufacturing cost is high have.

Alternatively, there is a method of directly printing information or advertisement displays on a conveyor belt with a silk screen, or attaching stickers or the like printed with information or advertisement marks. However, these methods have the problem that the information or advertisement display is peeled from the conveyor belt in a very short time.

U.S. Patent No. 4,979,591 discloses a method of printing information or advertising indicia on the surface of a conveyor belt by a transfer printing process and applying a transparent protective coating on the printed information or advertisement indicia. However, this method has a problem in that the process is complicated and costs are increased due to the application of the transfer printing process, the protective coating is additionally required, and the entire conveyor belt needs to be replaced in order to change to new information or advertisement display.

Korean Patent Laid-Open Publication No. 1998-702632 discloses a method of integrating information or advertisement displays with conveyor belts by fixing them on a conveyor belt by heat and pressure pressing. However, the above-mentioned method has a problem in that the entire process of the conveyor belt must be replaced in order to change into new information or advertisement display as well as increase the cost and complexity due to the application of the heat and press process.

One embodiment of the present invention provides a advertising sheet for attaching a conveyor belt comprising a polyurethane film.

Another embodiment of the present invention provides an advertisement method using the advertisement sheet.

According to an aspect of the present invention,

A polyurethane film comprising information or advertising indicia; And

And an adhesive layer disposed on one side of the polyurethane film.

The polyurethane film may be a thermoplastic film comprising a thermoplastic polyurethane elastomer.

The polyurethane film may have a weight average molecular weight of 90,000 to 900,000.

The polyurethane film has a Shore A hardness of 60 to 95 measured according to ASTM D2240, a tensile strength of 200 to 600 kg / cm ² measured according to ASTM D412, a elongation at break of 200 to 800% measured according to ASTM D412, And can have a tear resistance of 100 to 200 kg / cm ² measured according to D624.

The thickness of the advertising sheet for attaching the conveyor belt may be 200 to 500 mu m.

The advertising sheet for conveyor belt attachment may further comprise a transparent protective coating disposed on the polyurethane film to cover the information or advertisement indicia.

According to another aspect of the present invention,

And an advertising sheet for attaching the advertising sheet for attaching the conveyor belt to a conveyor belt.

The area of the advertising sheet for attaching the conveyor belt attached to the conveyor belt may be 0.0001 to 1 times the visible surface area of the conveyor belt.

The area of the advertising sheet for attaching the conveyor belt attached to the conveyor belt may be 1/3 to 1 times the visible surface area of the conveyor belt.

Wherein the conveyor belt is an endless belt and when the length of the advertising sheet for attaching the conveyor belt to the conveyor belt is equal to the length of the conveyor belt, Can be attached.

The advertising sheet for attaching the conveyor belt according to an embodiment of the present invention is easy to adhere to the conveyor belt, can be completely separated from the conveyor belt when the user desires, and can be attached to the conveyor belt due to excellent durability, There is an advantage that it is not damaged or peeled off from the conveyor belt.

The advertisement method according to an embodiment of the present invention maximizes the advertising effect without damaging the original function of the conveyor belt, while reducing manufacturing cost and manufacturing time of information or advertisement display, There is an advantage that can be replaced.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view of an advertising sheet for conveyor belt attachment according to one embodiment of the present invention.
2 is a cross-sectional view of a advertising sheet for conveyor belt attachment according to another embodiment of the present invention.
Figs. 3 and 4 are views schematically showing different examples of a conveyor belt to which the advertisement sheet of Fig. 1 is attached.

Hereinafter, an advertising sheet 100 for attaching a conveyor belt according to an embodiment of the present invention will be described in detail with reference to FIG.

1, a conveyor belt attaching advertisement sheet 100 according to an embodiment of the present invention includes a polyurethane film 110 including information or advertisement indications (AI) And an adhesive layer 120 disposed on the adhesive layer.

The information or advertisement indicia (AI) may be printed on the polyurethane film (110). For example, the information or advertisement mark (AI) may be printed on the polyurethane film 110 by ultraviolet printing or solvent printing, but the present invention is not limited thereto. .

The polyurethane film 110 may be a thermoplastic film comprising a thermoplastic polyurethane elastomer.

The polyurethane film 110 may have a weight average molecular weight of 90,000 to 900,000. For example, the polyurethane film may have a weight average molecular weight of 100,000 to 800,000, 150,000 to 700,000, 200,000 to 600,000, 200,000 to 500,000 and 250,000 to 300,000.

The polyurethane film 110 also has a Shore A hardness of 60 to 95 measured according to ASTM D2240, a tensile strength of 200 to 600 kg / cm ² measured according to ASTM D412, a tensile strength of 200 to 800% measured according to ASTM D412, And a tear resistance of 100 to 200 kg / cm < ² > measured according to ASTM D624.

Since the polyurethane film 110 having a weight average molecular weight and physical properties in the above range is excellent in durability and adhesiveness, a part of the visible surface area of the conveyor belt 310 (FIGS. 3 and 4) And is not damaged or peeled off from the conveyor belt 210 even when used for a long period of time.

The adhesive layer 120 may be a petroleum-based adhesive; A renewable bio-based adhesive; Halogen-free adhesives; Acrylic adhesive; Or a combination thereof. Each of the adhesives may be selected from a solvent-based adhesive, an emulsion, a hot-melt adhesive, an ultraviolet ray-curable adhesive, a radiation-curable adhesive, or a combination thereof. For example, the adhesive may be a polyvinyl alcohol-based resin such as partially saponified polyvinyl alcohol, fully saponified polyvinyl alcohol, carboxyl group-modified polyvinyl alcohol or acetoacetyl group-modified polyvinyl alcohol; A urethane resin such as a mixture of a urethane resin having a polyester skeleton and a compound having a glycidyloxy group; Or a combination thereof. However, the present invention is not limited thereto, and any known other adhesive may be used for the adhesive layer 120. [

The adhesive layer 120 may be formed by pattern coating, slot die coating or curtain coating.

The thickness of the adhesive layer 120 may be 35 to 40 mu m.

The thickness of the advertising sheet 100 for attaching the conveyor belt may be 200 to 500 mu m. If the thickness of the advertising sheet 100 for the conveyor belt attachment is within the above range, the advertising sheet 100 for the conveyor belt adhering is excellent in durability and is not damaged or peeled off from the conveyor belt, It is possible to prevent the seam from being separated when both ends of the advertising sheet 100 for belt attachment are connected to form a seam.

The advertising sheet 100 for conveyor belt attachment may further comprise a release layer disposed to cover the adhesive layer 120, although not shown in FIG.

The release layer may be a polyethylene coated paper having a commercially available silicone release coating or a polyethylene-coated polyethylene terephthalate film having a commercially available silicone release coating, but the present invention is not limited thereto, Can be used in the release layer.

When the advertising sheet 100 for attaching the conveyor belt is attached to the kender belt 310, it is natural that the release layer should be removed.

Hereinafter, the advertising sheet 200 for mounting the conveyor belt according to another embodiment of the present invention will be described in detail with reference to FIG.

Referring to FIG. 2, the advertisement sheet 200 for conveyor belt attachment according to another embodiment of the present invention includes a polyurethane film 210 including an information or advertisement mark (AI), a polyurethane film 210 on one side of the polyurethane film 210 A disposed adhesive layer 220 and a transparent protective coating 230 disposed on the other side of the polyurethane film 210 to cover the information or advertising indicia (AI). Since the polyurethane film 210 and the adhesive layer 220 are the same as the polyurethane film 110 and the adhesive layer 120 included in the advertising sheet 100 for conveyor belt attachment in FIG. 1, A detailed description thereof will be omitted.

The transparent protective coating 230 serves to increase their service life by preventing the polyurethane film 210 and the information or advertisement mark (AI) from being worn or scratched.

The transparent protective coating 230 may be formed by coating the cellulose paint on the surface of the polyurethane film 210 by ultraviolet coating. The cellulose coating material may be a resin (e.g., an alkyd resin), a plasticizer (e.g., dibutyl phthalate or tricresyl phosphate), a pigment (e.g., titanium (E.g., white, chrome yellow, carbon black) and / or a solvent (e.g., acetic acid ester or butyl acetate). However, the present invention is not limited thereto. May be formed of any known other printing methods and materials.

The thickness of the transparent protective coating 230 may be 20 to 30 占 퐉.

The advertising sheet 200 for conveyor belt attachment may further comprise a release layer disposed to cover the adhesive layer 220, although not shown in FIG. Since the release layer is the same as that provided in the advertising sheet 200 for mounting the conveyor belt shown in FIG. 1, a detailed description thereof will be omitted here.

Hereinafter, an advertising method using the advertising sheet 100 or 200 for attaching the conveyor belt will be described in detail with reference to FIGS. 3 and 4. FIG.

3 and 4, the advertisement method includes attaching the advertising sheet 100 or 200 for attaching the conveyor belt to a visible surface of the conveyor belt 310 installed in the cash register 300, Information or advertisement to the consumer by exposing information or advertising indicia (AI) to the consumer calculating or entering the merchant. As used herein, the term " visible surface of a conveyor belt " refers to any surface that can be exposed to the consumer as the conveyor belt moves on the smooth surface of the conveyor belt.

The area of the advertising sheet 100 or 200 attached to the conveyor belt 310 may be 0.0001 to 1 times the visible surface area of the conveyor belt 310. In the present specification, the " area of the advertising sheet for conveyor belt attachment " means the area of the surface of the advertising sheet for mounting the conveyor belt, which is located on the side where it is attached to the conveyor belt.

For example, the area of the advertising sheet 100 or 200 attached to the conveyor belt 310 may be 1/3 to 1 times the visible surface area of the conveyor belt 310.

If the length of the conveyor belt attachment advertisement sheet 100 or 200 attached to the conveyor belt 310 is equal to the length of the conveyor belt 310, the conveyor belt 310 may be an endless belt, The joint of the seat 100 for adhering the belt 100 or 200 can be further attached to the double-sided tape (not shown). For example, the double-sided tape may be attached to each of the upper and lower portions of the joint.

Since the advertising sheet 100 or 200 for adhering the conveyor belt is excellent in durability and adhesiveness, a part of the visible surface area of the conveyor belt 310 is adhered not only to the entire portion but also to the conveyor belt 310 210).

In addition, since the advertisement sheet 100 or 200 for mounting the conveyor belt can be completely peeled from the conveyor belt 310 when the user desires, the conveyor belt 310 itself can be replaced No need to replace it with a new ad sheet. Accordingly, the advertisement method has an advantage that the cost and time for manufacturing the conveyor belt can be saved.

Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these embodiments.

Example

Example  One

Information or advertisement display as shown in Fig. 1 was printed on one surface of a polyurethane film (product of Jinyang Urethane Co., Ltd.) having a thickness of 300 mu m, a width of 50 cm and a length of 3 m by ultraviolet printing. Thereafter, an acrylic adhesive was applied to the other surface of the polyurethane film to a thickness of 35 mu m to form an adhesive layer. As a result, an advertisement sheet was obtained. The weight average molecular weight of the polyurethane film was 275,000, the Shore A hardness measured according to ASTM D2240 was 85 3, the tensile strength measured according to ASTM D412 was 340 kg / cm ² , the elongation at break measured according to ASTM D412 Was 550%, and the tear resistance measured in accordance with ASTM D624 was 115 kg / cm < ^{2 &} gt ;.

Thereafter, each of the produced advertisement sheets was attached to the entire visible surface of the seamless conveyor belt installed at the counter, as shown in Figs. 3 and 4.

Example  2

(3M company) on the upper part of the joint of the advertisement sheet (that is, the upper part of the information or the advertisement display) and the lower part (that is, the lower part of the adhesive layer) And the joints were connected to each other, the advertising sheet was manufactured in the same manner as in Example 1, and the prepared advertisement sheet was attached to the conveyor belt.

Comparative Example  One

A commercial sheet was prepared in the same manner as in Example 1 except that a polyvinyl alcohol film (manufactured by 3M Co., Ltd.) was used instead of the polyurethane film, and the produced advertisement sheet was attached to the conveyor belt.

Evaluation example

The conveyor belt had a thickness of 2.5 mm, a width of 50 cm and a length of 3 m. Thereafter, while the conveyor belt with each of the advertisement sheets is continuously operated for 90 days, it is checked whether the advertisement sheet is damaged intermittently, whether or not the seam of the advertisement sheet is separated, and whether the advertisement sheet is peeled off from the conveyor belt And observed with naked eyes. The results of the above observation were evaluated in the following four stages, and the results are shown in Table 1 below.

- ◎: Damage of advertisement sheet, separation of seams and no peeling.

- ○: The advertisement sheet is not damaged or peeled off, but the seam is separated.

- X: The advertising sheet is damaged, peeled, and seams are separated.

Evaluation results Days of operation of the conveyor belt One 5 10 15 20 35 40 45 50 60 75 90 Example 1 ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ○ ○ ○ ○ Example 2 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ Comparative Example 1 × - - - - - - - - - - -

Referring to Table 1, the advertisement sheet manufactured in Example 1 was not damaged for 20 days when the conveyor belt with the conveyor belt was continuously operated, peeled off from the conveyor belt, But after 35 days the seams were separated. The advertising sheet prepared in Example 2 was not damaged for 90 days, peeled from the conveyor belt, and separated from the joint when the conveyor belt with the conveyor belt was continuously operated. On the contrary, the advertisement sheet manufactured in Comparative Example 1 was completely damaged and peeled within one day when the conveyor belt with the belt was continuously operated, and the seams were separated, and the experiment could not be continued any more.

Although the present invention has been described with reference to the drawings and embodiments, it is to be understood that various changes and modifications may be suggested to those skilled in the art. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100, 200: advertisement sheet 110, 210: polyurethane film
120, 220: adhesive layer 230: transparent protective coating
300: Cash register 310: Conveyor belt
400: Purchased goods

Claims (10)

A polyurethane film comprising information or advertising indicia; And
And an adhesive layer disposed on one side of the polyurethane film,
Wherein the polyurethane film is a thermoplastic film comprising a thermoplastic polyurethane elastomer,
The polyurethane film has a weight average molecular weight of 90,000 to 900,000, a Shore A hardness of 60 to 95 measured according to ASTM D2240, a tensile strength of 200 to 600 kg / cm ² measured according to ASTM D412, a 200 ≪ / RTI > and a tear resistance of 100 to 200 kg / cm < ² >, measured according to ASTM D624,
A billboard for mounting a conveyor belt having a thickness of 200 to 500 μm. delete delete delete delete The method according to claim 1,
Further comprising a transparent protective coating disposed on the polyurethane film to cover the information or advertisement indicia. A method of advertising using a conveyor belt attachment advertisement sheet according to any one of claims 1 to 6 attached to a conveyor belt. 8. The method of claim 7,
Wherein the area of the advertising sheet attached to the conveyor belt is 0.0001 to 1 times the visible surface area of the conveyor belt. 9. The method of claim 8,
Wherein the area of the advertising sheet affixed to the conveyor belt is 1/3 to 1 times the visible surface area of the conveyor belt. 8. The method of claim 7,
Wherein the conveyor belt is an endless belt, and when the length of the advertising sheet for attaching the conveyor belt to the conveyor belt is equal to the length of the conveyor belt, Ad.

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