JPH0554036U - Freezing prevention sheet - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an anti-icing sheet that can easily prevent freezing from forming on the glass surfaces of the front and rear windows of an automobile parked in an open-air parking lot in a cold region. There is. [Structure] An anti-icing sheet according to the present invention comprises a rubber sheet 1 of a required size capable of masking a front window of an automobile, etc. The rubber sheet 1 is made of urethane which exhibits pressure-sensitive adhesiveness to a smooth glass surface. Since it is molded with the adhesive rubber of No. 3, it has an appropriate adhesiveness even below freezing point, can be easily adhered to the glass surface to prevent freezing, it does not leave marks on the glass surface when peeled off, and can be washed with water only. Can be used repeatedly.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to an anti-icing sheet that prevents ice formation on the glass surfaces of front windows and rear windows of automobiles parked in open-air parking lots in cold regions.

[0002]

[Prior Art]

 When the temperature drops below freezing in winter, the frost generated by the condensation of water vapor in the air freezes on the glass surfaces of front windows and rear windows of cars parked in open-air parking lots and the like. It interferes with driving and makes it impossible to drive.

[0003] Frost that freezes on the glass surface cannot be easily wiped off, and it does not thaw immediately even when heated by the heat rays provided on the glass surface, and it takes a long time before it can be operated. It costs. Therefore, it was thawed by applying lukewarm water to the glass surface of the frozen front window, etc., but this was a troublesome and time-consuming task when rushing to start.

[0004]

[Problems to be Solved by the Invention]

 Even if the entire vehicle body is covered with a dust-proof cover sheet, the cover sheet lacks adhesion to the glass surface of the front window and the rear window, so the gap between the cover sheet and the glass surface may not be exposed to air. It was not possible to prevent the formation of freezing on the glass surface as water vapor entered and condensed.

In order to prevent a gap between the cover sheet and the glass surface, it is conceivable to adhere the cover sheet to the glass surface with a double-sided adhesive tape or the like. Since an adhesive containing a mixture of vinyl / maleic anhydride copolymer, polyvinyl methyl ether, maleic anhydride copolymer, etc. is used, its adhesive strength also decreases as the temperature decreases, and it sticks to the glass surface below freezing. There is a problem of disappearing.

Further, the above-mentioned pressure-sensitive adhesive has a property that it is very difficult to peel off once it adheres to glass or the like, and when peeled off from a glass surface such as a front window, the pressure-sensitive adhesive remains and stains the surface. ..

Therefore, the present invention has an adhesive property even on a glass surface such as a front window of an automobile even under a freezing point, can be easily peeled off without being left on the glass surface, and can be repeatedly used for preventing ice. Providing a seat is a technical issue.

[0008]

[Means for Solving the Problems]

 In order to solve this problem, the present invention comprises a rubber sheet of a required size capable of masking a front window or a rear window of an automobile, and the rubber sheet exhibits a pressure sensitive adhesive property to a smooth glass surface. It is characterized by being made of adhesive rubber of.

[0009]

[Action]

 According to the present invention, when a rubber sheet of a required size formed of urethane-based adhesive rubber is laid on the glass surface of a front window or a rear window of a vehicle and masked, the rubber sheet is made of urethane-based adhesive rubber. It adheres to the glass surface due to the pressure-sensitive adhesive property, and completely prevents water vapor from entering the ice between the rubber sheet and the glass surface and freezing. Therefore, by simply peeling off the rubber sheet from the glass surface of the front window or the like, the visibility required for driving can be easily obtained. It has been confirmed by an experiment by the present inventor that the urethane-based adhesive rubber exhibits appropriate pressure-sensitive adhesiveness to the glass surface even under the freezing point.

Further, since the urethane-based adhesive rubber can be peeled off without leaving traces on the glass surface due to its nature, it is of course not necessary to stain the glass surface, but rather to remove dust and dirt. You can also clean the glass surface.

[0011] Furthermore, the urethane-based adhesive rubber has the property that dust and dirt adhering to the surface can be easily washed off simply by washing it with water, and that the adhesive strength is restored again when the surface is dried. Therefore, the anti-icing sheet according to the present invention can be used repeatedly and is very economical.

[0012]

【Example】

 Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. FIG. 1 is a view showing a use state of an anti-icing sheet according to the present invention. First, in this example, a rubber sheet 1 having a thickness of about 5 mm is prepared using a urethane-based adhesive rubber having a pressure-sensitive adhesive property of 60 gf at a normal temperature (24 ° C.) on a smooth glass surface as a material. .. Then, this rubber sheet 1 is die-cut or cut into a desired size according to the shapes of front windows and rear windows of various vehicle models such as passenger cars and trucks. Subsequently, a cover film 2 such as an aluminum foil or an ultraviolet ray cut film is superposed on one surface of the rubber sheet 1 via an adhesive so as to prevent the rubber from being deteriorated by ultraviolet rays or dust.

However, when using the anti-icing sheet according to the present embodiment, first, the rubber sheet 1 is spread over the glass surface of the front window or the rear window of an automobile parked at an outdoor parking lot or the like to spread the adhesive surface. When is pressed, the rubber sheet 1 adheres to the glass surface due to the pressure-sensitive adhesive property of the urethane-based adhesive rubber.

The adhesiveness of the urethane-based adhesive rubber used in this example at a low temperature was evaluated by a test using a pickup type tack meter (compression load: 500 g, compression time: 30 seconds, test speed: 500 mm / It was confirmed that the adhesive strength of 60 gf remained unchanged from room temperature (24 ° C) even at a freezing point of 0 ° C to -30 ° C. Therefore, the anti-icing sheet according to the present invention maintains appropriate adhesiveness even when the temperature is below freezing, and does not become stuck to the glass surface as the temperature decreases like an adhesive such as an adhesive tape. ..

Since the rubber sheet 1 and the glass surface are in close contact with each other without a gap, water vapor in the air does not enter the space between the rubber sheet 1 and the glass surface to be condensed, and thus the front window and the rear window. Since freezing of the window is completely prevented, the visibility required for driving can be easily obtained simply by peeling the rubber sheet 1 from the glass surface. Therefore, if you want to move the car in a hurry, it is convenient because you do not have to do the troublesome work of pouring hot water on the frozen front window. Also, when parked in a parking lot of a ski resort, the snow can be removed together with the ice-prevention sheet by simply peeling it off, which is extremely useful.

Further, the urethane-based adhesive rubber is a material for an adhesive cylindrical roll that removes dust and dirt in a roll type simple vacuum cleaner (caper roll: product name) commercialized by the applicant of the present application. As it is also used as an adhesive tape, it is possible to remove dust and dirt from the surface of the rubber sheet without leaving traces on the glass surface. Therefore, when peeling the rubber sheet 1 from the front window or rear window, an adhesive tape Not only does it not stain the glass surface like the adhesive used in, but it also has the function of cleaning the glass surface.

Further, due to the nature of the urethane-based adhesive rubber, dust and dirt adhering to the rubber sheet 1 can be easily washed off simply by washing with water, and the adhesive strength is restored again when dried, so Can be used repeatedly and is very economical.

In addition, since the cover film such as the aluminum foil and the ultraviolet cut film is superposed on one surface of the anti-icing sheet according to the present embodiment, the rubber is deteriorated by the effect of the ultraviolet rays contained in the sun rays. Since it can be prevented, it has a long life with little deterioration over time.

In this embodiment, a urethane-based adhesive rubber having an adhesive force of 60 gf at room temperature was used, but according to an experiment by the present inventor, a urethane-based adhesive rubber having an adhesive force of about 60 to 120 gf is used. The tacky rubber of No. 1 can be used as an anti-icing sheet. Although a cover film such as an aluminum foil is used to prevent the deterioration of rubber, the same effect can be obtained by not only using the cover film but also a cloth cover sheet or the like.

Furthermore, the size of the rubber sheet 1 is not limited to the size that covers the entire glass of the front window and the rear window, and for example, covers only the area that provides the minimum field of view necessary for driving. May be.

[0021]

【The invention's effect】

 As described above, according to the present invention, the rubber sheet formed of urethane-based adhesive rubber adheres to the glass surface due to the pressure-sensitive adhesive property, and water vapor is mixed between the rubber sheet and the glass surface. Since it completely prevents freezing, it has an excellent effect that a good visibility required for driving can be easily obtained only by peeling off the rubber sheet from the glass surface such as the windshield.

Further, since the rubber sheet can be peeled off without leaving traces on the glass surface of the front window or the like, the glass surface is not polluted, but rather, the dust is removed to clean the glass surface. There is also an effect that you can do it.

Furthermore, the urethane-based adhesive rubber has the property that dust and dirt adhering to the surface can be easily washed off simply by washing with water, and that the adhesive strength is restored again when the surface is dried. It also has the effect that it can be used repeatedly and at no cost.

[Brief description of drawings]

FIG. 1 is a view showing a normal use state of an antifreezing sheet according to the present invention.

[Explanation of symbols]

 1 ... rubber sheet 2 ... cover film (cover sheet)

Claims (2)

[Scope of utility model registration request] 1. A rubber sheet (1) of a required size capable of masking a front window or a rear window of an automobile, and the rubber sheet (1) is made of a urethane-based material showing pressure-sensitive adhesiveness to a smooth glass surface. An anti-icing sheet characterized by being formed of an adhesive rubber. 2. The anti-icing sheet according to claim 1, wherein a cover film (2) or a cover sheet for preventing deterioration of rubber is superposed on one surface of the rubber sheet (1).