Competition mats to be used on the ground

The cardboard competition mat addresses the issues of environmental unfriendliness and dents in existing mats by using cardboard boxes with attached liners and strong compressive strength, providing a durable and eco-friendly solution for indoor sports and practice.

JP7659294B2Active Publication Date: 2025-04-09佐々木弘登
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Patent Information

Application Number
JP2021024109
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2020-03-13
Filing Date
2021-02-18
Publication Date
2025-04-09
Estimated Expiration
2041-02-18

AI Technical Summary

Technical Problem

Existing indoor golf and sports mats made of rubber or plastic are not environmentally friendly and tend to dent easily when used with weight, affecting the ball's roll and the mat's appearance.

Method used

A competition mat made of cardboard using multiple cardboard boxes, where the liners of the cardboard are attached together, and the width of the cardboard box is in the mat thickness direction, providing strong compressive strength and resistance to dents.

Benefits of technology

The cardboard competition mat is environmentally friendly, durable enough to withstand weight and use, and less likely to dent, allowing for enjoyable indoor sports and practice sessions without the need for expensive inclined mats.

✦ Generated by Eureka AI based on patent content.

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Abstract

To address such a problem that all liner surfaces of conventional cardboard liners using the cardboard, are configured to be parallel to a rolling surface of a golf ball heading for a hole, and, when a player practices the golf, with his / her standing on a mat, the mat is dented unexpectedly, and to provide an athlete mat using the cardboard for indoor golf, etc., the athlete mat not being dent even when a player stands on it.SOLUTION: An athlete mat is a cardboard mat B for indoor golf using a plurality of pieces of cardboard C, and liners L of the cardboard C are bonded to each other, where the paper width direction W of the cardboard C is the mat width direction.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to a playing mat, and more particularly to a playing mat made of corrugated cardboard. [Background technology]

[0002] For example, golf and ground golf are known as sports that are generally enjoyed outdoors, and elderly people enjoy playing these games for the purposes of improving their health, communicating with others, and preventing dementia.

[0003] However, because golf and ground golf are outdoor sports, they cannot be played in bad weather, such as rain, snow, or typhoons. Furthermore, due to global warming in recent years, outdoor sports are increasingly being restricted in the summer. This situation is expected to become more prevalent in the future, and opportunities for outdoor sports, especially for the elderly, are expected to decrease throughout the year.

[0004] Therefore, if golf and ground golf could be played indoors instead of outdoors, elderly people in particular would be able to enjoy them all year round for purposes such as health, communication with others, and dementia prevention.

[0005] Known indoor golf mats are described in Non-Patent Documents 1 and 2. However, these indoor golf mats are based on rubber or plastic, which means that they become heavier as they get larger, and are not environmentally friendly when it comes to disposal when they are no longer needed.

[0006] On the other hand, the golf mats described in Patent Documents 1 to 4 use cardboard as the base. Also, Non-Patent Document 3 describes a golf mat made entirely of cardboard. As such, indoor golf mats made of cardboard are light and easy to use even for elderly people, and are also convenient for disposal when no longer needed.

[0007] Here, we will briefly explain corrugated cardboard using Figure 11. As shown in Figure 11, corrugated cardboard C has a corrugated (the height of the waves is called the flute) paperboard called the core I glued between paperboard called liners L on the front and back sides. In corrugated cardboard C, the direction of the waves is generally defined as the width direction W, also known as the grain direction, and the direction across the waves as the machine direction M. In Patent Documents 1 to 4 and Non-Patent Document 3, which are indoor golf mats made of cardboard, a liner L of cardboard C is used on the surface side of the mat.

[0008] While the above refers to indoor golf mats, golf mats are also commonly used at golf driving ranges. At golf driving ranges, artificial turf golf mats that mimic natural grass are laid out on a flat surface, and golfers practice on them. Like indoor golf mats, these golf mats are made from rubber or plastic, which means they become heavier as they get larger, and are not environmentally friendly when it comes to disposal when they are no longer needed. Therefore, cardboard golf mats are also being considered for use in golf practice. [Prior art documents] [Patent documents]

[0009] [Patent Document 1] Japanese Utility Model Application Publication No. 52-23269 [Patent Document 2] Japanese Patent Application Laid-Open No. 2003-19238 [Patent Document 3] Special Publication No. 2-8753 [Patent Document 4] Registered Utility Model No. 3212593 [Non-patent literature]

[0010] [Non-Patent Document 1] Yahoo Shopping System Style Co., Ltd., [online], Golf Putting Mat, [Searched February 3, 2020], Internet〈URL: https: / / store.shopping.yahoo.co.jp / systemstyle / 02-09-04-02-120.html?sc_e=afvc_shp_2327384〉 [Non-patent document 2] Rakuten Ichiba Thanko Rare Mono Shop, [online], "Free Angle Putter Mat" CIGPAATM, [searched February 3, 2020], Internet〈URL: https: / / item.rakuten.co.jp / thanko / 000000003273 / 〉 [Non-patent document 3] Kenchi no En Nursing Home for the Elderly, [online], Indoor Putting Golf, [Retrieved February 3, 2020], Internet <http: / / kenchi.jp / blog / ?p=3471> [Non-patent document 4] T-Net Co., Ltd., [online], "Slope Shot Mat," [Retrieved January 26, 2021], Internet〈URL: http: / / www.fourseasongolf.jp / ?mode=cate&cbid=709069&csid=0〉 Summary of the Invention [Problem to be solved by the invention]

[0011] The inventor created an indoor golf mat with a similar structure to the conventional one, in which the surface side of the mat was made of a liner L of cardboard C. However, when using this mat, an unexpected dent would form in the mat when the user stepped on it. When the mat dented under the user's weight, the ball would roll in an unexpected direction. Furthermore, since this dent was in the shape of a foot, it was unsightly.

[0012] It should be noted that Patent Documents 1 to 3 are mats for putting practice, and so may not assume that the user will stand on the mat. Similarly, Non-Patent Document 3 does not involve the user standing on the mat. However, if playing with a large group of people in a large indoor space (for example, a gymnasium, a school building, a large hall, or a room in a home), golf and other activities can be more enjoyable if players can walk on the mat, and walking is also beneficial for the health of the elderly, in particular.

[0013] The desire to bring outdoor sports indoors is not limited to golf and ground golf, but can also be seen in sports using radio-controlled model cars, known as RC cars. For these types of sports, there is a desire to use cardboard mats to set up the course, and the problem of unexpected dents in cardboard mats is similar to that of indoor golf mats.

[0014] Furthermore, not only for indoor golf mats, but also for golf mats used for golf practice that are made of cardboard, people will stand on the mat, so it is undesirable for it to easily become dented, and so load durability is naturally required. In particular, when practicing golf, athletic shoes or golf shoes are often used, so load durability is important.

[0015] However, there are no flat areas on an actual golf course, and there is a desire to practice on an inclined surface like on an actual golf course. To meet this desire, golf mats such as the inclined shot mat described in Non-Patent Document 4 are known.

[0016] However, the inclined shot mat described in Non-Patent Document 4 is a very expensive product and not easily available to everyone. Also, like indoor golf mats, it is made of rubber or plastic, so disposal of it when it is no longer needed becomes an issue.

[0017] For this reason, even for inclined shot mats used for golf practice on inclined surfaces, it is considered preferable to use one made of cardboard in terms of cost and disposal, but durability is also required. Therefore, an object of the present invention is to provide a competition mat made of corrugated cardboard that is unlikely to be dented even when a user stands on the mat. [Means for solving the problem]

[0018] In order to achieve the above-mentioned object, the competition mat of the present invention is a cardboard competition mat made of multiple pieces of cardboard, characterized in that the liners of the cardboard are bonded together and the width direction of the cardboard is the thickness direction of the mat.

[0019] The competition mat of the present invention is made of cardboard instead of synthetic resin, making it environmentally friendly when disposed of. Furthermore, although it is made of cardboard, the thickness of the mat is in the width direction of the cardboard, which has high compressive strength, so the surface is less likely to be dented even when people stand on it. Therefore, people can enjoy playing by walking or standing on the competition mat.

[0020] Indoor sports that use the competition mat of the present invention include, for example, golf, ground golf, and radio-controlled model car competitions known as RC cars. In golf and ground golf, the competition mat of the present invention is used to form the course on which the ball rolls, while in RC cars, the competition mat is used to form the course on which the model cars run. Various courses formed using the competition mat of the present invention are less likely to develop dents on the surface even when players walk on them. Being able to walk on the course not only allows people in nursing homes, for example, to enjoy the sport, but also helps prevent dementia by walking on it while playing.

[0021] Furthermore, although the present invention is a competition mat, it is not necessarily used only for competitions between multiple people, but can also be used as a practice mat for solo practice. Therefore, in addition to the indoor competitions described above, the competition mat of the present invention can also be used as a golf practice mat for outdoor golf practice. Furthermore, the surface of the competition mat of the present invention is unlikely to become indented even when people stand on it, and it is sufficiently durable for use in golf practice. Furthermore, unlike mats made of rubber or plastic, it can be easily disposed of when it becomes unusable. As far as the inventor has researched, there are no commercially available cardboard golf practice mats.

[0022] The competition mat of the present invention is characterized by having an undulating surface. For example, in indoor golf or RC car games, the course using the competition mat can be varied, further enhancing the enjoyment of the game.

[0023] The competition mat of the present invention is also characterized by the fact that a connecting portion is formed on the side of the mat, which makes it difficult for the mats to separate when multiple mats are used side by side and walked on.

[0024] The game mat of the present invention is also characterized by having an inclined surface on the mat surface, which allows for variation in the surface, similar to the undulating shape, and further enhances the enjoyment of the game.

[0025] Furthermore, by using the competition mat of the present invention, which has an inclined surface as a mat for golf practice, it is possible to easily practice on an inclined surface without using an expensive inclined shot mat such as that described in Non-Patent Document 4. [Brief explanation of the drawings]

[0026] [Figure 1] 1A is a perspective view showing an indoor golf mat according to an embodiment of the present invention, and FIG. 1B is a view of the mat as seen from above. [Figure 2]1A to 1C are perspective views of the first to third embodiments. [Figure 3] 4A to 4D are perspective views of the fourth to seventh embodiments. [Figure 4] FIG. 10 is a perspective view of a modified indoor golf mat of the present invention. [Figure 5] A is a perspective view showing an indoor golf mat with a connecting portion, B is a plan view of A, and C is a plan view of A with the connecting portion pulled out. [Figure 6] A is a perspective view showing how to detach the connection part, and B is an image of a prototype showing how to detach the connection part. [Figure 7] 1A is a diagram showing a shot on an outdoor golf mat having an inclined surface according to an embodiment of the present invention, and FIG. 1B is a diagram showing a shot on an inclined surface in the opposite direction to that of FIG. [Figure 8] 1A is a perspective view showing an outdoor golf mat according to an embodiment of the present invention, B is a plan view of A, and C is a front view of A. [Figure 9] 1A and 1B are perspective views showing a first example of use of an outdoor golf mat, FIG. 1C is a perspective view showing a second example of use, and FIG. 1D is a perspective view showing a third example of use. [Figure 10] 1A is a perspective view showing a fourth example of use of the outdoor golf mat, FIG. 1B is a perspective view showing a fifth example of use, and FIG. 1C is a perspective view showing a sixth example of use. [Figure 11] FIG. 1 is a perspective view illustrating the term corrugated board. DETAILED DESCRIPTION OF THE INVENTION

[0027] Hereinafter, a mode for carrying out the present invention will be described with reference to the embodiments and drawings, but the embodiments shown below are not intended to limit the present invention to those described herein, and the present invention is equally applicable to various modifications without departing from the technical idea set forth in the claims. Note that in each drawing used for explanation in this specification, each component is shown at a different scale so that each component can be recognized on the drawing, and is not necessarily shown in proportion to its actual size.

[0028] [Embodiment 1] An indoor golf mat B, which is one embodiment of a competition mat according to the present invention, will be described using Figure 1. Figure 1A is a perspective view of the indoor golf mat, and Figure 1B is a top view of the indoor golf mat.

[0029] Indoor Golf Mat B is a mat measuring 500mm long x 500mm wide x 30mm thick, and is designed to be used as a basic block, with multiple blocks combined to form courses for golf, where the ball is rolled on the mat, or for ground golf. By combining multiple blocks in this way, it is possible to create courses in a variety of shapes depending on the size of the area where the course will be used.

[0030] The indoor golf mat B is constructed using multiple pieces of corrugated cardboard C. Specifically, the liner L of each piece of corrugated cardboard C is bonded together with adhesive D, and the width direction W of each piece of corrugated cardboard C is the thickness direction of the mat. In other words, when viewed from above as shown in Figure 1B, the wavy core I of each piece of corrugated cardboard C appears on the surface of the indoor golf mat B. In conventional constructions, the surface of an indoor golf mat is the liner L of the corrugated cardboard C.

[0031] In this way, indoor golf mat B uses cardboard C, which has high compressive strength, with the width direction W of the cardboard in the thickness direction of the mat, so the mat surface is strong and is very resistant to dents even when a user stands on it.

[0032] Therefore, a large golf course can be formed by laying multiple indoor golf mats B, and players can enjoy playing golf by standing directly on the mats. In this embodiment, the thickness of the indoor golf mat B is 30 mm, but it does not necessarily have to be this thickness and it can be made a little thinner or thicker.

[0033] There are two possible methods for manufacturing the indoor golf mat B. The first method involves first stacking multiple sheets of cardboard C and pasting them together with a liner L to create a mille-feuille-like structure, which is then cut to the desired mat thickness. This method allows for efficient manufacturing of the indoor golf mat B. Furthermore, this method makes it easy to increase the variety of slopes for the course, as described below, by adjusting the slope of the cut surfaces.

[0034] The second method involves first cutting the cardboard C to the mat thickness, and then attaching each of the cut pieces of cardboard C with liner L. This method has the advantage of not requiring large cutting equipment. Furthermore, with the second method, some errors occur in the individual pieces of cardboard C when cutting and attaching them, resulting in minute irregularities on the surface of the indoor golf mat B that are difficult to see with the naked eye. The creation of these minute irregularities allows the second method to achieve a rolling pattern similar to that of a ball on an outdoor course.

[0035] The first and second manufacturing methods may be selected depending on the number of indoor golf mats B to be produced, the manufacturing equipment, and the shape of the mats, and the indoor golf mats B may also be manufactured by other methods.

[0036] [Example] Indoor golf mat B has a flat surface, but by forming undulating shapes or the like on the surface of the mat in advance, it is possible to add variety to the courses created by combining mats. In the explanation of the examples, the vertical direction of indoor golf mat B shown in Figure 1 will be the direction formed by the liner L of the cardboard C (flow direction M of the cardboard C), and the horizontal direction will be the direction formed by the flutes of each cardboard C (direction marked with symbol T in Figure 1).

[0037] As shown in Figure 2A, the indoor golf mat B1 of the first embodiment is a mat with holes H, which are through holes, on the top surface of the indoor golf mat B. By using the indoor golf mat B1 with holes H in this way, you can enjoy golf such as putt-putt golf while walking on the mat. However, if you are playing golf that uses so-called hole posts, such as ground golf, you do not need to use the indoor golf mat B1.

[0038] As shown in Figure 2B, the indoor golf mat B2 of the second embodiment is one block obtained by cutting a rectangular liner L made of cardboard C, which is the vertical direction of the indoor golf mat B, diagonally in two. Therefore, the indoor golf mat B2 is a mat for slopes, with the surface of the liner L being a right triangle. This indoor golf mat B2 can be used as a slope to smooth out the difference in level between the floor and another mat or the difference in level between other stacked mats. Furthermore, because the direction of the slope and the direction of the liner L are parallel to each other, this indoor golf mat B2 offers relatively little resistance to the ball, making it easier for the ball to roll.

[0039] As shown in Figure 2C, the indoor golf mat B3 of the third embodiment is one block cut in two diagonally across a rectangular surface formed by the flutes of each cardboard C in the horizontal direction of the indoor golf mat B. In this indoor golf mat B3, the direction of the slope and the direction of the liner L are perpendicular to each other, so the resistance to the ball is relatively large, making it difficult for the ball to roll.

[0040] As shown in FIG. 3A, an indoor golf mat B4 of the fourth embodiment has arcuate convexities formed along the vertical direction and arcuate (semi-cylindrical) first convex portions 1 extending horizontally across the surface of the mat. As shown in FIG. 3B, an indoor golf mat B5 of the fifth embodiment has a first recessed portion 2 that is a recessed version of the first protruding portion 1 of the indoor golf mat B4. As shown in FIG. 3C, an indoor golf mat B6 of the sixth embodiment has second protrusions 3 formed in isolation on the surface of the mat.

[0041] As shown in FIG. 3D, an indoor golf mat B7 of the seventh embodiment has isolated second recesses 4 in the mat, which are similar to the second protrusions 3 of the indoor golf mat B6 but with a concave shape.

[0042] Thus, the indoor golf mat B of this embodiment can be any of the indoor golf mats B1 to B7 shown in Examples 1 to 7, in addition to the one shown in Fig. 1. By combining and using such indoor golf mats, it is possible to create a flat, easy course or a rough, difficult course.

[0043] Indoor golf mats B, B1 to B7 may, of course, be stacked. By stacking them, it is possible to create undulating surfaces on the course, such as high hills and deep valleys. Alternatively, indoor golf mats B, B1 to B7 may be used as a base, with a mat such as artificial turf laid on top. Alternatively, each mat may be used to form a depression on the course, and a vinyl sheet may be placed over the depression to fill it with water or sand. The surface of indoor golf mats B, B1 to B7 may be painted green, for example. The shape of the mat is not limited to indoor golf mats B, B1 to B7, and other shapes and surface configurations may also be used.

[0044] [Variations] An indoor golf mat BA according to a modified example of the present invention will be described with reference to Fig. 4. Fig. 4 is a perspective view of the indoor golf mat BA according to the modified example, which is composed of three first mat pieces P1 and two second mat pieces P2.

[0045] As shown in Figure 4, the first mat piece P1 is a rectangular pillar measuring 120mm wide x 500mm deep x 30mm high / thick. Like the indoor golf mat B, this first mat piece P1 is made of multiple corrugated cardboards C, with the liners L of each cardboard C glued together, and the width direction W of each cardboard C being the thickness direction of the mat. In other words, the first mat piece P1 is configured so that the wavy core I of each cardboard C appears on the surface side.

[0046] On the other hand, the second mat piece P2 is a square pillar having dimensions of 70 mm (width) × 500 mm (depth) × 30 mm (height: thickness). The surface side of this second mat piece P2 is made of a cardboard liner L, as in the conventional configuration.

[0047] As shown in Figure 4, the modified indoor golf mat BA has three first mat pieces P1 and two second mat pieces P2 glued together in an alternating array across the width. This results in a mat measuring 500mm long, 500mm wide, and 30mm thick. Even with this indoor golf mat BA, the width of the first mat pieces P1 is wider than the width of the second mat pieces P2, so the first mat pieces P1 can support the weight of the player even when the player stands on them. Furthermore, this type of mat features a wavy core I and liner L on its surface, allowing for a more varied ball roll.

[0048] In this modified example, the first mat pieces P1 and the second mat pieces P2 are alternately bonded together to form a single indoor golf mat BA, but for example, the first mat pieces P1 may be used individually.

[0049] [How to connect mats] Next, we will explain how to connect indoor golf mats B of the embodiment when using them in combination. When combining multiple indoor golf mats B to form a course, a large course can be formed simply by lining up multiple indoor golf mats B and placing them closely together.

[0050] Furthermore, simply connecting the indoor golf mats B in close contact may cause the mats to move when walking on the course, causing adjacent mats to separate. For this reason, the sides of the indoor golf mats B may be connected together with adhesive or the like.

[0051] In addition, to make it easy to attach and detach indoor golf mats B to each other, so-called hook-and-loop fasteners may be attached to the sides of the indoor golf mats B, and the hooks and loops may be connected to each other when forming a course.

[0052] Other connection methods will be explained using the drawings. Fig. 5A is a perspective view showing an indoor golf mat BB equipped with a connection part E, Fig. 5B is a plan view of Fig. 5A, and Fig. 5C is a plan view of Fig. 5A with the connection part E pulled out. Fig. 6A is a perspective view showing a method for detaching the connection part E, and Fig. 6B is an image of a prototype showing the method for detaching the connection part E. Note that Figs. 5A and 6A show the shape of a cardboard integrated with the liner and core to make it easier to understand the engagement recess E1, which will be described later.

[0053] As shown in Figure 5, a common connector E is attached to each of the four sides of the indoor golf mat BB. The connector E consists of a first corrugated cardboard C1 and a second corrugated cardboard C2. The first corrugated cardboard C1 and the second corrugated cardboard C2 have the width direction W of the cardboard in the same direction as the thickness of the mat, just like the inner corrugated cardboard C.

[0054] The first corrugated cardboard C1 has two engagement recesses E1 on the left and right. The engagement recesses E1 are cutouts with a depth half the thickness of the mat, and can engage with upside-down engagement recesses E1 on other connecting parts E (see Figure 6A). The width of the engagement recesses E1 does not have to be as wide as shown in the figure, and can be as narrow as the width of the cutouts.

[0055] Both ends of the first corrugated cardboard C1 are bonded to both ends of the second corrugated cardboard C2 with adhesive D. The center portion of the back surface of the second corrugated cardboard C2 is then bonded to the side of the indoor golf mat BB with adhesive D. With this bonding method, the center portion of the first corrugated cardboard C1 can be bent outward to draw out the engagement recess E1, as shown in FIG. 5C.

[0056] With this configuration, as shown in Figure 6, indoor golf mats BB can be joined by bending the center portion of the first corrugated cardboard C1 outward and engaging the engaging recess E1 with the engaging recess E1 of another indoor golf mat BB. Also, the joining can be easily released by performing the reverse operation of the joining.

[0057] As shown in Figure 5, the engaging recesses E1 on the opposing sides of the indoor golf mat BB are upside down, but it is also possible to connect the mats by keeping all the engaging recesses E1 facing the same direction and swapping the tops and bottoms of the mats to be connected. In addition to the method of connecting the mats together, there is also a method of providing a non-slip surface on the bottom of the mats to prevent the mats from separating.

[0058] As described above, the indoor golf mat is a cardboard mat made of multiple pieces of cardboard C, with the liners L of the cardboard C glued together, and the width direction W of the cardboard C being the thickness direction of the mat. Therefore, since the indoor golf mat is made of cardboard C rather than synthetic resin, it is environmentally friendly when disposed of. Furthermore, although it is made of cardboard, the width direction W of the cardboard C, which has high compressive strength, is the thickness direction of the mat, so the surface is less likely to dent even when a person stands on it. Therefore, people can enjoy playing golf by walking on the indoor golf mat.

[0059] Although the indoor golf mat B in the embodiment is formed by combining multiple mats to form the course, a course may also be formed with a single wide mat. Furthermore, when forming a course using multiple indoor golf mats, a mat with a cardboard liner L on the surface side of the mat, as in the conventional configuration, may be used for part of the course.

[0060] Indoor golf mats are used to create courses for golf and ground golf, which are played by rolling a ball on a mat. However, since the golf and ground golf mentioned here are indoor sports, different rules and equipment may be used than for outdoor activities.

[0061] Furthermore, the game mat of the present invention is not limited to the indoor golf mat described in the embodiment, but may be used for other games in which a ball is rolled on a mat.

[0062] Furthermore, the competition mat of the present invention can be used not only for ball rolling games but also as an indoor course for radio-controlled model cars, known as RC cars. If an indoor RC car course is to be created using the competition mat of the present invention, an undulating course can be easily realized by using a competition mat with an undulating surface, such as the indoor golf mats B1 to B7 in the examples. Players can then play on this course while walking.

[0063] Furthermore, although the present invention is a competition mat, it is not necessarily used only for competitions between multiple people, but it can also be used as a practice mat for individual practice.

[0064] [Embodiment 2] Next, other embodiments of the competition mat of the present invention will be described. The indoor golf mats B1 to B7 of Examples 1 to 7 of Embodiment 1 are intended for games such as putter golf, in which the ball rolls on the mat B. On the other hand, the outdoor golf mats B8 and B9 of Examples 8 and 9 of Embodiment 2 are intended for use in shot practice at a golf driving range. Generally, when standing on a slope with a downward slope in front, as in FIG. 7A, an approach shot ball tends to curve to the right, and when standing on a slope with an upward slope in front, as in FIG. 7B, the ball tends to curve to the left. Therefore, there is a strong demand for practice on an inclined surface at a golf driving range.

[0065] [Example] FIG. 8A is a perspective view showing outdoor mats B8 and B9 of eighth and ninth examples of embodiment 2, FIG. 8B is a plan view of FIG. 8A, and FIG. 8C is a front view of FIG. 8A. The outdoor mat B8 of the eighth example is a mat for inclination that is the same as the indoor golf mat B2 of the second example of embodiment 1. The inclination angle θ of the outdoor mat B8 is 7 degrees. The outdoor golf mat B9 of the ninth embodiment is an inclined mat that is an extension of the inclined surface of the outdoor mat B8 of the eighth embodiment.

[0066] The length and width of the outdoor golf mats B8 and B9 of the eighth and ninth examples are 500mm long and 500mm wide, the same as the indoor golf mats B1 to B7 of the first to seventh examples of the first embodiment.

[0067] The inclination angle θ of the outdoor golf mats B8 and B9 is not limited to 7 degrees. Multiple types of outdoor golf mats with different inclination angles may be provided. Additional outdoor golf mats with longer inclined surfaces may also be provided.

[0068] [Usage example] Use Examples 1 to 6 of Embodiment 2 will be described using Figures 9A to 9D and Figures 10A to 10C. Figures 9A and 9B are perspective views of Use Example 1. As shown from different perspectives in Figures 9A and 9B, two outdoor mats B8 and B9 are joined together to form a first inclined mat A1 measuring 1 m in length and 1 m in width. The first inclined mat A1 is used so that it slopes downward in front. Specifically, the player takes a stance on the first inclined mat A1 as shown by the shape of his or her feet and hits a ball G placed near the first inclined mat A1 in the direction of the arrow in Figure 9A.

[0069] Figure 9C is a perspective view showing Usage Example 2. As shown in Figure 9C, in Usage Example 2, the first inclined mat A1 is used as a sloped surface that slopes downward from front to left. Specifically, on the first inclined mat A1, the player takes a stance as shown by the shape of his or her feet, and hits a ball G on an artificial turf mat R placed on the first inclined mat A1 in the direction of the arrow.

[0070] Figure 9D is a perspective view showing Usage Example 3. As shown in Figure 9D, in Usage Example 3, the first inclined mat A1 is used so that the inclined surface slopes upward in front and downward to the left. Specifically, the player takes a stance on the first inclined mat A1 as shown by the shape of his or her feet, and hits a ball G on an artificial turf mat R placed on the first inclined mat A1 in the direction of the arrow.

[0071] FIG. 10A is a perspective view showing Example 4 of Use. As shown in FIG. 10A, two outdoor mats B8 of the eighth embodiment are placed side by side on two outdoor mats B9 of the ninth embodiment. In Example 4, outdoor mats B8 and B9 are used in this manner to form a steeply sloping second inclined mat A2 measuring 500 mm long and 1 m wide. The player then takes a stance on the second inclined mat A2 as shown by the foot shape and hits a ball G placed near the second inclined mat A2 in the direction of the arrow.

[0072] Figure 10B is a perspective view showing Usage Example 5. As shown in Figure 10B, in Usage Example 5, the second inclined mat A2 is used to form a steeply inclined surface that rises from the front. Specifically, the player takes a stance near the second inclined mat A2 as shown by the shape of his or her feet, and hits a ball G on an artificial turf mat R placed on the second inclined mat A2 in the direction of the arrow.

[0073] FIG. 10C is a perspective view showing Usage Example 6. As shown in FIG. 10C, in Usage Example 6, the second inclined mat A2 is used to create a steep, left-upward slope. Specifically, on the second inclined mat A2, the player takes a relatively narrow stance as shown by the shape of his or her feet, and hits a ball G on an artificial turf mat R placed on the second inclined mat A2 in the direction of the arrow. This is a usage example similar to approach practice.

[0074] As shown in the above examples of use, the inclined surface can assume various forms, such as carrying only the player, only the ball G, or both the player and the ball. Furthermore, by connecting the outdoor golf mats B8 and B9 of the eighth and ninth embodiments, an inclined surface mat can be easily carried, and the inclination angle can be changed by stacking them. Furthermore, since the mats are made of cardboard, they are lightweight, inexpensive, and easy to dispose of.

[0075] In addition, in Examples 1 to 6, two outdoor golf mats B8 and B9 of the eighth and ninth embodiments were used, but the number of mats may be increased to widen the inclined surface. Also, in Examples 1 to 6, the inclination was increased by stacking the mats, but the inclination may be made gentler by stacking the mats.

[0076] In addition, in Examples 1 to 6, the first inclined mat A1 and the second inclined mat A2 are formed using outdoor golf mats B8 and B9, but for example, the first inclined mat A1 may be formed from a single game mat. Also, the second inclined mat A2 may be formed from a single game mat having the shape shown in the examples.

[0077] In addition, although embodiment 1 describes a competition mat for indoor use and embodiment 2 describes a competition mat for outdoor use, it goes without saying that the various indoor golf mats described in embodiment 1 can also be used for outdoor use, and the various outdoor golf mats described in embodiment 2 can also be used for indoor use. [Explanation of symbols]

[0078] B, B1-B7, BA, BB: Indoor golf mats B8, B9: Outdoor golf mats C: Cardboard L: Liner W: Paper width direction M: Flow direction E: Connection E1: Engagement recess A1: First inclined mat A2: Second inclined mat

Claims

1. This is a mat for playing on a cardboard surface made of multiple pieces of cardboard. The cardboard liners are bonded together, The width direction of the cardboard is the thickness direction of the mat. A mat for use in competitions, characterized in that the surface of the mat is formed with an undulating shape or an inclined surface.

2. A sports mat for use by laying it down as described in claim 1, characterized in that holes for balls are provided on the surface of the mat.

Citation Information

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