KR101230079B1 - Sheet for golf hitting mark - Google Patents

Abstract

PURPOSE: A hitting point display sheet for golf is provided to form elastic fiber which is vertically formed with nap. CONSTITUTION: A hitting point display sheet for golf comprises elastic fiber nap(121) which is vertically formed on a film(110), and an adhesive layer(140) and a release film(150) which are successively formed in the lower part of the film. The elastic fiber(120) is attached to the film by an adhesive(130).

Description

Golf RBI Mark Sheet {Sheet For Golf Hitting Mark}

The present invention relates to a golf score display sheet for correcting the RBI when hitting a golf ball with a golf club.

Golf is becoming one of the most popular sports enjoyed by many people around the world including Korea. Like most sports, golf also differs in accuracy and skill, depending on the individual's natural ability and level of effort. In particular, the golf ball is hit at the golf head face at the impact point of contact with the golf ball during the swing operation from the address to the finish, and whether or not the face at the impact point is perpendicular to the golfer's center position is the correct swing. It is a very important factor for doing this.

A typical golf club consists of a shaft provided with a grip which can be gripped by hand at the upper end and a head which is joined to the lower end of the shaft and has a flat face (ball surface) toward the front side.

In the center of the face can be imagined a virtual spot called a sweet spot, the golf ball is most ideal to fly when hit accurately near the sweet spot. In other words, according to the general golf striking principle, in order for a golfer to strike exactly in the desired direction, the face of the head is perpendicular to the target batting direction and the golf ball is aligned so that the golf ball is at the center of the face, such as a sweet spot. After the backswing in the state, the head must be hit while moving to match the target hitting direction to hit the golf ball in the correct direction to draw the correct track. If the hitting contact with the golf ball does not coincide with the sweet spot when hitting the ball, the hit golf ball causes a slight side spin in any direction, which changes the trajectory of the ball, and the head's inertia causes the golf to hit. Since the ball cannot be completely delivered to the ball, the batting distance will be reduced.

This exact hit can only be achieved by satisfying both of the following requirements: keeping the face perpendicular to the target direction and hitting the head to match the target direction. Of course, there is always a certain amount of hitting error even a skilled professional golfer as well as not always maintained.

Therefore, the majority of golfers spend a lot of time and effort to maintain the exact direction of the face at the moment of impact through countless swing exercises, and to be able to hit the golf ball at the sweet spot position of the face, so the ball hits the sweet spot in the practice It is necessary to have a device that can immediately check whether or not.

The spot display device is a device that forms a spot group on paper according to the same principle as having a batter with charcoal powder between two layers of paper. There is a problem that needs to be done. In particular, water-soaked golf balls are easily torn and shorter in life.

In other spot display devices, a viscous material is coated between two layers of film so that a dark colored film placed on the face is attached to the film provided at the front to form a spot group, and when reused, an air inlet is used. There is a device that uses the two films to drop, but even if the air is injected, the two films do not fall well, and when used more than 10 times there is a problem that the hole formed in the film no longer acts as a spot marker. In addition, Korean Patent No. 414618 discloses a sweet spot tape having a spot display sheet (polyvinyl chloride) on an upper surface of a buffer sheet (nonwoven fabric). In the sweet spot tape, a hitting group is formed when hitting a golf ball with a golf club, but it is possible to check the hitting spot, but there is a problem that the sweet spot tape must be continuously replaced during practice.

An object of the present invention is to provide a golf score display sheet comprising elastic fibers brushed in a direction perpendicular to the fiber bottom surface.

In addition, another object of the present invention is to provide a golf score display sheet comprising an elastic fiber brush is formed in a vertical direction with respect to the film on the film upper surface.

In order to achieve the above object, the present invention includes an elastic fiber having a brush in the vertical direction with respect to the bottom surface of the fiber, when the pressure is raised, the brush is inclined in the horizontal direction, characterized in that rises in the vertical direction when water is supplied Provide a golf score sheet.

When the golf score display sheet is subjected to a pressure of 0.3 kgf / ㎠ or more, the raising of the elastic fiber is inclined in the horizontal direction with respect to the bottom surface, and when the water is supplied to the inclined elastic fiber, the raising is perpendicular to the bottom surface. It can be formed as.

The lower surface of the elastic fiber may be further provided with a film, an adhesive layer and a release film.

In addition, the present invention is formed on the upper surface of the film, the elastic fiber brush is formed in the vertical direction with respect to the film, when the pressure is raised, the brush is tilted in the horizontal direction and when the water is supplied to the golf RBI display sheet, characterized in that standing in the vertical direction To provide.

The lower surface of the film may be further provided with an adhesive layer and a release film.

The elastic fiber brush may have a water content of 14% or less.

The length of the elastic fiber brush may be 0.3 to 1.2mm.

The thickness of the film may be 0.05 to 0.5mm.

The golf score display sheet may have a thickness of 0.5 to 1.5 mm.

The golf spot display sheet may be formed with a sweet spot hole.

Golf score display sheet of the present invention is easy to posture correction and cause analysis, because the elastic fiber brushed inclined from the vertical direction to the horizontal direction when the pressure is applied by the golf ball, easy to check the spot group, hitting during practice in practice Keep your senses and improve your batting skills in a short time.

In addition, when water is supplied to the inclined elastic fiber brushing, the elastic fiber brushing occurs again in the vertical direction with respect to the film, so that it can be used more than 100 times for a driver that is not a one-time use. Not only does it need to be replaced, but it also increases the concentration of the hit and allows you to check the hit of your ball, which can be fun to practice.

In addition, since the golf score display sheet of the present invention is disposed over the entire face located on the front of the head of the golf club can prevent damage to the golf club.

In addition, the golf score display sheet of the present invention, even if the elastic fiber brushed by the golf ball is contaminated easily if only moisture is supplied.

1 is a photograph applying the golf score display sheet manufactured by the method according to an embodiment of the present invention,
Figure 2a is a cross-sectional view of the golf score display sheet according to an embodiment of the present invention,
Figure 2b is a cross-sectional view of the golf spot display sheet according to another embodiment of the present invention,
Figure 3 is a SEM photograph of the brushed elastic fiber of Figure 1,
Figure 4a is a photograph showing before the pressure is applied to the golf RBI display sheet of Figure 1,
4B is a photograph in which a spot group is formed by applying pressure to the golf spot display sheet of FIG. 1;
Figure 4c is a photograph of the elastic fiber brush raised to the original state by supplying moisture to the golf spot display sheet is formed by the pressure of Figure 4b is formed a spot group,
Figure 5a is a micrograph taken before the pressure is applied to the golf RBI display sheet of Figure 1,
5B is a micrograph taken after the pressure is applied to the golf spot display sheet of FIG. 1.

The present invention relates to a golf spot display sheet comprising an elastic fiber when the pressure is applied by a golf ball, the elastic fiber is inclined to display the spot group, and the elastic fiber is elastic when the moisture fiber is supplied to the inclined (lying) portion. will be.

Hereinafter, the present invention will be described in detail.

Golf spot display sheet according to the present invention includes an elastic fiber provided in the vertical direction with respect to the film on the film upper surface, described in more detail with reference to the drawings as follows.

1 is a photograph applying the golf RBI display sheet manufactured by the method according to a preferred embodiment of the present invention, Figure 2a is a cross-sectional view of the golf RBI display sheet according to an embodiment of the present invention, Figure 2b is a present invention 3 is a cross-sectional view of a golf RBI display sheet according to another embodiment of the present invention, FIG. 3 is a SEM photograph of brushed elastic fibers of FIG. 1, and FIG. 4A is a photo showing the pressure applied to the golf RBI display sheet of FIG. 1. FIG. 4B is a photograph in which the RBI group is formed by applying pressure to the golf RBI display sheet of FIG. 1, and FIG. 4C is supplied with moisture to the golf RV display sheet in which the RBI group is formed by applying the pressure of FIG. It is a fishing boat photograph, FIG. 5A is a microscope picture taken before the pressure is applied to the golf spot display sheet of FIG. 1, and FIG. 5B is a microscope picture taken after the pressure is applied to the golf spot display sheet of FIG.

As shown in Figure 1, the golf score display sheet 100 is disposed over the entire face located in the front of the head of the golf club.

In addition, as shown in Figure 2a, the golf RBI display sheet 100 includes an elastic fiber 120 is formed with a brush 121 in a vertical direction with respect to the bottom surface (elastic fiber bottom surface), brushed 121 The adhesive 130, the film 110, the pressure-sensitive adhesive layer 140 and the release film 150 are sequentially formed on the other side of the elastic fiber 120 is not formed.

In addition, as shown in Figure 2b, the golf score display sheet 100 is provided with an elastic fiber brush 121 in the vertical direction with respect to the film 110 on the film 110, the bottom of the film 110 The pressure-sensitive adhesive layer 140 and the release film 150 are sequentially formed. The elastic fiber 120 is provided on the film 110 by the adhesive (130). The elastic fiber brushing 121 is formed in the vertical direction on the upper surface of the film 110 using an electrostatic method or the like.

The method of forming the elastic fiber brush in the direction perpendicular to the upper surface of the film is not limited to the electrostatic method, and generally used in the art may be applied.

The adhesive 130 is not particularly limited as long as it can bond the elastic fiber and the film. In addition, the adhesive 140 is not particularly limited as long as it can be adhered to the face of the film and golf club, the release film 150 uses a conventional film (eg, release paper, coated paper) used in the art. In the present invention, the release film is used in the same sense as the release paper.

The film 110 is easy to be bonded to the elastic fiber 120 and brushed 121 without being torn even when subjected to a strong pressure several times by golf balls, specifically, polyester film, polyethylene terephthalate film, polypropylene film , Soft polyvinyl chloride film, silicone coating film, polystyrene film may be selected from the group consisting of one, preferably a polyester film.

The thickness of the film 110 should be 0.05 to 0.5 mm, preferably 0.07 to 0.3 mm, and there is no change in the flying distance compared to the case where the golf spot display sheet is not used. If the thickness of the film 110 is less than 0.07 mm, the film may be torn by pressure by a golf ball, and if the thickness exceeds 0.3 mm, the flying distance may be shorter than in the case where the golf spot display sheet is not used. .

The elastic fiber brush 121 is standing in the vertical direction as shown in Figure 3, has a structure that absorbs water with elasticity and swells when water is supplied due to the capillary phenomenon of the cellulose-based fiber, brushed 121 again Stand up.

Therefore, the golf score display sheet 100 of the present invention can be used more than 100 times.

The length of the elastic fiber brush 121 is 0.3 to 1.2 mm, preferably 0.5 to 1.0 mm. If the length of the elastic fiber brush 121 is less than 0.3 mm, it is difficult to check the spot group 170. If the length exceeds 1.2 mm, the recovery after the absorption of water is not complete and the golf spot display sheet is not used. Compared with, the flying distance becomes shorter. In the case of using the brushed elastic fiber, it is preferable that the thickness of the elastic fiber of the bottom surface except the brushed is 0.05 to 0.5 mm.

The thickness of the golf score display sheet 100 of the present invention is preferably 0.5 to 1.5mm. If the thickness is out of the thickness, the distance is shortened as compared with the case where the golf score display sheet is not used.

The elastic fibers 120 and brushed 121 may be one or two or more selected from the group consisting of polyurethane, rayon, polyether and polyester specifically, but preferably using only rayon .

Even when using a brush such as leather, the marks may be generated at the time of hitting, but rubbing is performed by hand for restoration, and there is a disadvantage that it cannot be used on a wet ball or a rainy day.

It is preferable that the water content of the elastic fiber brush is 14% or less. If the water content is too large, a relatively low rate of water escape is difficult to identify the blow marks.

As shown in Figures 4 and 5, the golf RBI display sheet 100 of the present invention is standing in the vertical direction with respect to the film (or the bottom surface of the fiber) elastic fibers are not pressured by the golf ball (Fig. 4a and 5a), when subjected to a pressure of 0.3 kgf / cm 2 or more by the golf ball, the brush is inclined in the horizontal direction with respect to the film (or the bottom of the fiber) (FIG. 5B, white portion) to form the spot group 170. When moisture is supplied to the inclined elastic fibers, the elastic fibers immediately occur in their original state (perpendicular to the film).

The spot group 170 is distinguished by different light reflections of the portion where the elastic fiber brush is inclined and the portion where the elastic fiber brush is standing by the pressure caused by the golf ball.

In addition, when the RBI group 170 is used in a state in which the golf RBI display sheet 100 is wetted with moisture, moisture is escaped by the pressure of the golf ball and at the same time, the brush is inclined and the elastic fiber brush is inclined more clearly.

The center of the golf score display sheet 100 is provided with a sweet spot hole 160 having a radius of about 7 mm around the sweet spot of the face of the golf club.

Since the provided sweet spot hole 160 is formed as a through hole, a spot group is not formed on the golf spot display sheet when the golf ball hits the sweet spot.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention. Such variations and modifications are intended to be within the scope of the appended claims.

Example 1.

A golf spot display sheet was prepared by providing a rayon brush in the vertical direction with respect to the polyester film by using an adhesive on an upper surface of a polyester film having a thickness of 0.07 mm, and applying a pressure-sensitive adhesive on the lower surface of the polyester film. . At this time, the length of the brushed rayon was 0.7mm, and the moisture content was 8.42%.

Example 2.

Rayon raising is formed in a direction perpendicular to the bottom surface of the rayon fiber, and after the adhesive is applied to the bottom surface of the rayon fiber, a polyester film having a thickness of 0.07 mm is provided, and a release film is applied after applying an adhesive to the bottom surface of the polyester film. By providing a golf score display sheet was prepared. At this time, the length of the brushed rayon was 0.7mm, and the moisture content was 8.42%.

Example 3.

The same procedure as in Example 1 was carried out, but a golf score display sheet having a water content of 14% was prepared.

Example 4.

The same procedure as in Example 1 was carried out, but the golf spot display sheet was prepared with a thickness of the polyester film 0.1mm.

Example 5.

A golf score display sheet was manufactured in the same manner as in Example 1 except that the length of the rayon brush was 1.1 mm.

Comparative example.

A spotting sheet (polyvinyl chloride) was provided on the upper surface of the buffer sheet (nonwoven fabric) to prepare a golfing spot display sheet having a thickness of 1 mm.

Test example.

The manufactured golf score display sheet was installed on the face located on the front side of the golf club and measured.

1. Measurement of recovery time of raising the elastic fiber raising: The time taken for the elastic fiber raising to stand after measuring the elastic fiber raising was measured.

2. RBI group sharpness measurement: The sharpness of the RBI group formed by the golf ball was visually confirmed.

◎: 100% of the RBI group at 3m distance

○: More than 70% of the spot groups were identified at a distance of 3 m.

□: At least 3% of the RBI group is identified at a distance of 3 m

(Triangle | delta): More than 30% of the RBI group was confirmed at a distance of 3 m.

X: RBI group's shape is not confirmed at 3 m

division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 Comparative example Return time (seconds) of raising elastic fiber Within 1 second comeback
no RBI group sharpness ◎ ◎ ○ ○ ○ ○ ○ ○ △

As shown in Table 1, Examples 1 to 5 of the present invention has a short return time of brushing the elastic fiber, the spot group is clear, the comparative example was confirmed that the spot group is not clear, the distance is short. In particular, the comparative example was confirmed that no recovery of brushing because the nonwoven fabric without a direction.

100: golf score display sheet 110: film
120: elastic fibers 121: brushed elastic fibers
130: adhesive 140: adhesive layer
150: release film 160: sweet spot hole

Claims (10)

A golf score display sheet comprising an elastic fiber having a brush in the vertical direction with respect to the bottom surface of the fiber, the brush is inclined in the horizontal direction when the pressure is applied, and stand up in the vertical direction when water is supplied.
The method of claim 1, wherein the golf score display sheet is subjected to a pressure of 0.3 kgf / ㎠ or more inclined in the horizontal direction with respect to the bottom surface of the elastic fibers, brushed when the moisture is supplied to the inclined elastic fibers Golf score display sheet, characterized in that formed in the vertical direction with respect to the bottom surface.
The golf score display sheet according to claim 1 or 2, further comprising a film, a pressure-sensitive adhesive layer, and a release film sequentially on the lower surface of the elastic fiber.
An elastic fiber brush is formed in the vertical direction with respect to the film on the upper surface of the film, and when the pressure is applied, the brush is inclined in the horizontal direction, and when the moisture is supplied, the golf score display sheet.
The golf score display sheet according to claim 4, further comprising a pressure-sensitive adhesive layer and a release film sequentially on the lower surface of the film.
The golf score display sheet according to claim 1 or 4, wherein the elastic fiber brush has a water content of 14% or less.
The golf score display sheet according to claim 1 or 4, wherein the length of the elastic fiber brush is 0.3 to 1.2 mm.
The golf score display sheet according to claim 4, wherein the film has a thickness of 0.05 to 0.5 mm.
The golf score display sheet according to claim 1 or 4, wherein the golf score display sheet has a thickness of 0.5 to 1.5 mm.
The golf spot display sheet according to claim 1 or 4, wherein the golf spot display sheet is provided with a sweet spot hole.

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