TWM556620U - Golf ball with matte appearance - Google Patents

Abstract

The creation discloses a golf ball with a matte appearance, which includes a ball center, a polyurethane ball shell, and an outer covering layer. The polyurethane ball shell covers the ball core, and the outer covering layer is formed on the surface of the polyurethane ball shell. The coating includes a plurality of matting agent particles, and the 60 ° gloss value of the outer coating is less than 30. With the above design, the golf ball can be given a uniform and delicate matte appearance, and a high-definition visual effect can be achieved.

Description

Golf ball with matte appearance (1)

This creation relates to a golf ball, and particularly to a golf ball with a matte appearance.

With the improvement of modern people's living standards and the emphasis on leisure life, people often engage in sports such as mountain climbing, swimming, and ball games. The purpose is nothing more than to exercise physical fitness, maintain physical health, and eliminate work stress and fatigue. Among many sports, golf can allow players of different ages, genders, and even different skill levels to compete in the same field, and the course is very close to the natural environment, which has become an increasingly popular sport.

In a game of golf, golf can be advanced in many different ways. The flight distance and short game of the ball are often the keys to determining the outcome of the game. As far as the golf ball is concerned, the performance of the ball directly affects the performance of the ball. For example, some golf balls with specific elasticity and hardness can help increase the flight distance of the ball, and some golf balls with specific spin characteristics can Hit the desired flight path of the ball.

In the market, there are many types and brands of golf balls, so many operators use different colors, patterns or texts to mark the golf ball shells to increase the recognition and attract consumers ’attention. However, the marked golf ball often shows a bright visual effect on all or part of the surface, and causes visual interference in the sun to affect the accuracy of the shot. In addition, such labels are prone to staining, falling off, etc. after multiple shots, and the surface yellowing of the shell under long-term ultraviolet radiation has seriously affected the overall aesthetics of the golf ball.

The technical problem to be solved by this creation is to provide a golf ball with a matte appearance, which can attract consumers' eyes while taking into account the practical value.

In order to solve the above technical problems, the technical solution used in this creation is: a golf ball with a matte appearance, which includes a ball center, a polyurethane ball shell and an outer cover, and the polyurethane ball shell covers the ball center The outer cover layer is formed on the surface of the polyurethane spherical shell, wherein the outer cover layer includes a plurality of matting agent particles, and the 60 ° gloss value of the outer cover layer is less than 30.

Furthermore, the transparency of the cover layer is greater than 50%.

Furthermore, the surface roughness of the cover layer is between 3 μm and 6 μm.

Furthermore, the matting agent particles make up 1 to 10% of the total weight of the outer cover layer.

Furthermore, the average particle diameter of the matting agent particles is greater than 0 and less than 5 microns.

Furthermore, the outer cover layer is formed on the surface of the polyurethane spherical shell with a specific pattern.

Furthermore, there is at least one colorant layer between the outer cover layer and the polyurethane spherical shell.

Furthermore, the ball center includes an inner ball center and an outer ball center covering the inner ball center.

Furthermore, the golf ball with a matte appearance further includes an intermediate layer located between the center of the ball and the polyurethane shell.

Furthermore, the outer covering layer is a polyurethane layer.

Furthermore, the matting agent particles include organic matting agent particles, inorganic matting agent particles, or a combination thereof.

Furthermore, the matting agent particles are all silica particles.

One of the beneficial effects of this creation is that the golf ball with a matte appearance provided by this creation is formed on the surface of the polyurethane ball shell through an "overcoat layer, where The outer cover layer contains multiple matting agent particles, and the 60 ° gloss value of the outer cover layer is less than 30 ", which can achieve the following effects: (1) At the same time, achieve a uniform and delicate matte appearance and high definition in visual effects Degree to faithfully show the required colors, text or patterns, etc., and can prevent such marks from being stained and peeled off after multiple shots; (2) preventing the ball shell from being exposed to long-term ultraviolet radiation The resulting yellowing of the surface; (3) improves the durability of the golf ball; (4) provides an elastic feel when hitting.

In order to further understand the features and technical contents of this creation, please refer to the following detailed description and drawings of this creation, however, the drawings provided are only for reference and description, and are not intended to limit this creation.

Z‧‧‧Golf

1‧‧‧ Heart

1a‧‧‧Inner Heart

1b‧‧‧ Outer Heart

2‧‧‧ spherical shell

21‧‧‧ ball socket

3‧‧‧ Overlay

31‧‧‧ Matting agent particles

4‧‧‧Color layer

5‧‧‧ middle layer

FIG. 1 is a perspective view of a golf ball with a matte appearance according to a first embodiment of the present invention, in which an outer covering layer is completely covered on the surface of a polyurethane ball shell.

FIG. 2 is a cross-sectional view of a golf ball having a matte appearance according to the first embodiment of the present invention.

FIG. 3 is a partial enlarged view of the part III in FIG. 2 without a colorant layer.

FIG. 4 is a partially enlarged view of the part III in FIG. 2 containing the colorant layer.

FIG. 5 is a perspective view of a golf ball with a matte appearance according to a first embodiment of the invention, in which the outer cover layer covers the surface of the polyurethane ball shell with a specific pattern.

FIG. 6 is a perspective view of a golf ball with a matte appearance according to a first embodiment of the present invention, wherein the outer cover layer covers the surface of the polyurethane ball shell with another specific pattern.

7 is a cross-sectional view of a golf ball having a matte appearance according to a second embodiment of the present invention.

FIG. 8 is a cross-sectional view of a golf ball with a matte appearance according to a third embodiment of the present invention, in which a middle layer is formed between a ball center and a polyurethane shell.

FIG. 9 is a cross-sectional view of a golf ball with a matte appearance according to a third embodiment of the present invention, in which a plurality of intermediate layers are formed between a ball center and a polyurethane shell.

The following is a description of the implementation of the "golf ball with a matte appearance" disclosed in this creation through specific specific embodiments. Those skilled in the art can understand the advantages and effects of this creation from the contents disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the spirit of this creation. In addition, the drawings of this creation are only for simple and schematic illustrations, and are not drawn in actual size, so stated in advance. The following embodiments will further describe the technical content of this creation in detail, but the disclosed content is not intended to limit the scope of protection of this creation.

[First embodiment]

Please refer to FIG. 1 to FIG. 4. The first embodiment of the present invention provides a two-piece golf ball Z (ie, a two-layer ball), the main body of which is a ball center 1 and a polyurethane ball shell covering the ball center 1. 2 and has an outer coating 3 formed on the surface of the polyurethane spherical shell 2. The sphere center 1, the polyurethane sphere shell 2 and the outer cover layer 3 may be arranged concentrically, and each layer has a substantially uniform mass distribution, so that the common sphere center of each layer is consistent with the center of mass of the overall ball.

In this embodiment, the sphere center 1 can be formed by compression molding. Two compression molding dies are first closed to form a pair of opposing sphere center blanks, and then a sufficient amount of heat and pressure are applied. The ball center material is flowed between the molds and cross-linked and fused with each other. After curing, the finished product is taken out of the mold, but it is not limited to this. For example, the ball center 1 can also be injection molded. To shape. The diameter of the spherical center 1 may be between about 1.40 inches and about 1.67 inches, and the spherical center 1 may have a shore D hardness between 0 and 70 and between 0 and 70. The amount of compression between 120 (compression). Among them, the hardness difference between any two points on the cross section obtained after half-cutting the center of the ball must be controlled within ± 15 to ensure the stability of the overall performance of the golf ball Z.

Furthermore, when the spherical center 1 is formed, different products may be used depending on the product. Formula, and obtain the required properties, such as resilience (C.O.R), compression, elasticity, etc., to increase the flight distance of the ball. In actual implementation, the formulation of the sphere 1 can use thermoplastic materials, the amount of which can account for 30% to 95% of the total weight of the sphere 1, and the appropriate additives and / or fillers are added, and the amount can account for the total weight of the sphere 1 5% to 70%. The thermoplastic material of the sphere 1 may be an ionic polymer resin, a highly neutralized acid polymer composition, a polyamide resin, a polyester resin, a polyurethane resin, or a combination thereof, but it is not limited. herein.

Specific examples of additives include, but are not limited to: blow molding and foaming agents, optical brighteners, colorants, fluorescent agents, whitening agents, ultraviolet absorbers, light stabilizers, defoamers, processing aids, nano fillers , Antioxidants, stabilizers, softeners, aromatic ingredients, plasticizers, impact modifiers, acid copolymer waxes and surfactants. Specific examples of the filler include, but are not limited to, a high specific gravity metal powder or metal oxide filler, an inorganic filler, a nano filler, and a golf ball recycled material after grinding.

Polyurethane ball shell 2 can be improved in elasticity, flight distance, ball control, and durability. It can be molded by casting molding, that is, the center of the ball is first 1 Supported in the injection mold, and then inject the polyurethane pouring liquid into the injection mold. After cooling, the surface of the initial product is processed to make the surface smooth and flat, but it is not limited to this. For example, the polyurethane spherical shell 2 can also be hot pressed. Shape to shape. The thickness of the polyurethane spherical shell 2 may be between about 0.02 inches and about 0.2 inches, and the polyurethane spherical shell 2 may have a shore D hardness between 30 and 70. Similarly, when the polyurethane spherical shell 2 is formed, appropriate additives and / or fillers may be added. The specific examples are the same as described above, and the amount may be within 50% of the total weight of the polyurethane spherical shell 2.

In addition, an intentional number of dimples 21 may be formed on the surface of the polyurethane ball shell 2 to improve the aerodynamic performance of the golf ball Z. The number of the ball sockets 21 is preferably between 250 and 500. The shape of the ball sockets 21 may be a hemisphere or any other shape well known in the art, and the shape of each ball socket 21 may be the same or different.

In order to attract the attention of consumers, it can be formed on the surface of the polyurethane spherical shell 2 The colorant layer 4 (as shown in FIG. 4) is covered by an outer cover layer 3. In actual implementation, the number of colorant layers 4 can be set to one or more, preferably two to four layers; the colorant layer 4 can be attached to the surface of the polyurethane spherical shell 2 by a non-contact method (such as spray coating). , But not limited to this.

It is worth noting that because of its high mattness, high transparency, high abrasion resistance and good softness and toughness, the outer cover 3 can achieve the following effects when applied to the surface of the polyurethane spherical shell 2 (1) At the same time to achieve a uniform and delicate matte appearance and high-definition visual effects, to faithfully present the required colors, text or patterns and other markings, and to avoid such markings after multiple hits Defects, peeling, etc. occur; (2) Prevent the surface of the ball shell from yellowing under long-term ultraviolet radiation; (3) Improve the durability of the golf ball; (4) Provide an elastic feel when hitting.

Furthermore, the outer covering layer 3 includes a plurality of matting agent particles 31, wherein the matting agent particles 31 account for 1 to 10% of the total weight of the outer covering layer 3, and the average particle diameter of the matting agent particles 31 is greater than 0 and less than 5 microns. (μm). In terms of characteristics, the outer cover layer 3 has a 60 ° gloss value of less than 30, a transparency of more than 50%, and a surface roughness between 3 μm and 6 μm. Here, the term "60 ° gloss value" refers to the gloss of a coated article or coating measured at a viewing angle of 60 ° using a micro-TRI-gloss meter from BYK Gardner. value.

The outer coating 3 can be formed by spraying, and the coating (that is, the composition of the coating substrate and the matting agent particles) must be sprayed repeatedly under slow stirring conditions in order to improve the spraying quality. In actual implementation, the coating substrate and the matting agent particles 31 are fully kneaded first, and then the special kneading machine is used to grind the obtained kneaded material to have low gloss and high transparency. The matting agent particles 31 may include organic matting agent particles, inorganic matting agent particles, or a combination thereof. The coating substrate may be selected from epoxy resin, polyethylene, polypropylene, polyethylene terephthalate, or polyurethane, but is not limited thereto. this. When polyurethane is used as the coating substrate, the outer cover layer 3 is a polyurethane layer at this time, which has good adhesion to the polyurethane spherical shell 2 and can improve the dispersibility of the matting agent particles 31.

Specific examples of organic matting agent particles include, but are not limited to, polyimide (PI), polystyrene (PS), high impact polystyrene (HIPS), styrene-ethylene-butadiene-styrene block Copolymers (SEBS), polyethylene (PE) and polyethylene grafted maleic anhydride (PE-MAH). Specific examples of the inorganic matting agent particles include, but are not limited to, mica, silicon dioxide, calcium carbonate, clay, talc, alumina, aluminum nitride, barium sulfate, and titanium dioxide. When silicon dioxide particles having a particle size of less than 5 microns are used as the matting agent particles 31, the outer covering layer 3 can have both good matting properties and transparency.

Please refer to FIG. 5 and FIG. 6. In order to meet various product design requirements, the outer cover layer 3 may be formed on the surface of the polyurethane spherical shell 2 with a specific pattern to achieve a patterned matte effect. For example, the outer cover 3 may cover only the coverage area of the ball socket 21 (as shown in FIG. 6), or may cover only the rest of the area outside the coverage area of the ball socket 21 (as shown in FIG. 5).

[Second embodiment]

Please refer to FIG. 7. The second embodiment of the present invention provides a three-piece golf ball Z (three-layer ball). The constituent elements are the same as those of the first embodiment, and the main difference is the use of a double-layered center. Specifically, the main body of the golf ball Z is composed of an inner core 1 a, an outer core 1 b, and a polyurethane shell 2, and an outer cover 3 is formed on the surface of the polyurethane shell 2.

In this embodiment, the inner spherical core 1a may be formed by an injection molding method, and the outer spherical center 1b may be formed by a hot compression molding method, but is not limited thereto. The diameter of the inner core 1a may be between about 0.3 inches and about 1.5 inches, and the outer core 1b may have a thickness between 0.02 inches and 0.7 inches. To protect the inner core 1a, the hardness of the outer core 1b Preferably, the hardness is greater than the inner spherical center 1a. For example, the inner spherical center 1a may have a Xiao D hardness between 0 and 50, and the outer spherical center 1b may have a Xiao D hardness between 20 and 70. When the inner core 1a and the outer core 1b are molded, the performance of the golf ball Z can be adjusted by adjusting the differences in hardness, size, and weight of the inner and outer cores 1a, 1b. For the formulas of inner and outer spherical centers 1a and 1b, please refer to the previous description, so I will not repeat them here.

[Third embodiment]

Please refer to FIG. 8 and FIG. 9. The third embodiment of the present invention provides a three-piece golf ball Z or more. The constituent elements are substantially the same as those of the previous embodiment, and the main difference is that the polyurethane ball shell 2 and One or more intermediate layers 5 are formed between the sphere centers 1 as needed to improve the performance of the golf ball Z. For example, the intermediate layer 5 can synergize with the center of the ball 1 to increase the ball speed and flight distance, or the intermediate layer 5 can synergize with the polyurethane shell 2 to provide a good feel and increase the backspin of the ball. the amount.

In this embodiment, the intermediate layer 5 can be formed by injection molding or hot-press molding, but it is not limited thereto. The intermediate layer 5 may have a thickness between 0.02 inch and 0.2 inch, and the hardness of the intermediate layer 5 is preferably greater than the hardness of the polyurethane spherical shell 2. For example, the Xiao D hardness ratio of the intermediate layer 5 and the polyurethane spherical shell 2 is Between 1 and 3 to improve the aerodynamics of the golf ball Z, especially the main variable for the spin of the ball. The formulation of the intermediate layer 5 can use a highly neutralized acid polymer (“HPF”), polyamide resin, polyurethane resin or polyester resin as a main component, and the amount thereof can be 80% to 100% of the total weight of the intermediate layer 5 %, Appropriate additives and / or fillers can be added as needed, the specific examples are the same as described above, and the amount can be within 20% of the total weight of the intermediate layer 5.

Furthermore, when two or more intermediate layers 5 are formed between the polyurethane spherical shell 2 and the spherical center 1 (as shown in FIG. 9), the intermediate layer 5 (such as the outer intermediate layer) near the polyurethane spherical shell 2 may be It has a higher specific gravity (SG) than the intermediate layer 5 (such as the inner intermediate layer) near the center of the sphere 1. Here, the term "specific gravity (SG)" refers to the ratio of a given fixed (or liquid) density to the density of water at a specific temperature and pressure.

[Advantageous Effects of the Embodiment]

In summary, the golf ball provided in this creative embodiment is Formed on the surface of the polyurethane spherical shell, where the outer cover layer contains a plurality of matting agent particles, and the 60 ° gloss value of the outer cover layer is less than 30 ", which can achieve the following effects: (1) At the same time, achieve uniform and delicate The matte appearance and high-definition visual effects faithfully present the required colors, text or patterns and other signs, and can prevent such signs from being stained and peeled off after multiple hits; ( 2) Prevent the surface of the ball shell from yellowing under long-term ultraviolet irradiation; (3) improve the durability of the golf ball; (4) provide the elastic feel when hitting.

The content disclosed above is only the preferred and feasible embodiment of this creation, and therefore does not limit the scope of patent application for this creation. Therefore, any equivalent technical changes made using the content of this creation description and the drawings are included in this creation application Within the scope of the patent.

Z‧‧‧Golf

1‧‧‧ Heart

2‧‧‧ spherical shell

21‧‧‧ ball socket

3‧‧‧ Overlay

Claims (12)

A golf ball with a matte appearance includes: a ball center; a polyurethane ball shell covering the ball center; and an outer coating layer formed on the polyurethane ball shell On the surface, the outer cover layer includes a plurality of matting agent particles, and the 60 ° gloss value of the outer cover layer is less than 30. The golf ball having a matte appearance according to claim 1, wherein the transparency of the outer cover is greater than 50%. The golf ball having a matte appearance according to claim 2, wherein the surface roughness of the outer cover layer is between 3 μm and 6 μm. The golf ball having a matte appearance according to claim 3, wherein the matting agent particles account for 1 to 10% of the total weight of the cover layer. The golf ball having a matte appearance according to claim 4, wherein the average particle diameter of the matting agent particles is greater than 0 and less than 5 microns. The golf ball having a matte appearance according to claim 1, wherein the outer cover layer is formed on a surface of the polyurethane ball shell in a specific pattern. The golf ball having a matte appearance according to claim 1, wherein at least one colorant layer is provided between the outer cover layer and the polyurethane ball shell. The golf ball with a matte appearance according to claim 1, wherein the center includes an inner center and an outer center that covers the inner center. The golf ball having a matte appearance according to claim 1, further comprising an intermediate layer located between the center of the ball and the polyurethane shell. The golf ball having a matte appearance according to claim 1, wherein the outer covering layer is a polyurethane layer. The golf ball having a matte appearance according to claim 10, wherein the matting agent particles include organic matting agent particles, inorganic matting agent particles, or a combination thereof. A golf ball having a matte appearance as described in claim 11, wherein the consumer The photoagent particles are all silica particles.