168results about "Solid balls" patented technology

A pickleball ball comprising a hollow sphere with a plurality of holes arranged on the hollow sphere and an attached or integrated wear-and-tear indicator is described. In some examples, the wear-and-tear indicator may comprise a multi-layered painted indicator on the outer surface of the hollow core. The multi-layered painted indicator may be applied throughout the outer surface. The multi-layered painted indicator may comprise two or more layers of different materials with different durability characteristics. The different materials may each have a different color and / or texture.

Golf balls having a low surface coverage dimple pattern arranged in a tetrahedral layout are disclosed. The dimple pattern has four substantially identical dimple sections. The dimples in each of the four dimple sections have at least three different dimple diameters, including a minimum dimple diameter, a maximum dimple diameter, and an additional (third) dimple diameter, where the additional dimple diameter substantially contributes to the overall surface coverage of the dimple pattern. The resulting dimple pattern has a low dimple surface coverage and high diameter disparities among the dimples, which helps to reduce the flight of the golf ball while providing improved aerodynamic consistency.

A ball may include a spherical shell, and apertures defined in the spherical shell. The apertures may be formed in the spherical shell based at least in part on a N-frequency tessellation of the spherical shell. A method of forming a ball may include molding a first hemisphere, molding a second hemisphere, and coupling the first hemisphere to the second hemisphere to form a spherical shell. The spherical shell may include apertures defined in the spherical shell based at least in part on a N-frequency tessellation of the spherical shell.

This application relates to a toy comprising an internal ball structure containing a highly elastic material capable of bouncing off hard surfaces, and a plush fabric skin configured to cover the internal ball structure such that the outer surface of the plush fabric does not significantly affect, or significantly weaken, the bouncing ability of the internal bouncing ball structure when it collides with a surface.

An object of the present disclosure is to provide a golf ball having improved flight distance on driver shots and excellent spin performance on approach shots (particularly under the condition that there is grass between the golf ball and the club face) and on middle iron shots. The present disclosure provides a golf ball comprising a spherical core and a cover disposed outside the spherical core, wherein when a center hardness of the spherical core (Shore C hardness), hardnesses at 2.5 mm, 5 mm, 7.5 mm, 10 mm, 12.5 mm and 15 mm points from a center of the spherical core toward a surface of the spherical core (Shore C hardness), and a surface hardness of the spherical core (Shore C hardness) are represented by H0, H2.5, H5, H7.5, H10, H12.5, H15 and Hs respectively, the following relation is satisfied:(H2.5−H10)>(H12.5−H10)>(Hs−H15).

Disclosed is an image-based lost ball automatic classification method comprising: a learning image generation step of generating a brand learning image for learning a brand of a golf ball and a defect learning image for learning a defect; a golf ball brand learning step of training an image classification algorithm about the brand of the golf ball by using the brand learning image; a golf ball defect learning step of training an image segmentation algorithm about the defect in the golf ball by using the defect learning image; a target image generation step of generating at least eight target images from a target lost ball to be classified; a target lost ball brand classification step of classifying a brand of the target lost ball from a target image by using the trained image classification algorithm; and a target lost ball grade classification step of classifying a grade of the target lost ball from the target image by using the trained image segmentation algorithm.

A golf ball comprising an alignment aid 110 completely contained within a circumferential area of width 10mm or less defined by two boundaries 16,18. The alignment aid comprises a first alignment feat

The utility model relates to the field of sports goods, in particular to a ball structure with high elasticity and high restorability, which comprises a foaming ball center, the foaming ball center is provided with a reinforcing layer, and a plurality of patch ball surfaces are attached to the periphery of the foaming ball center. The foaming sphere center or / and the patch sphere surface can be prepared by adopting a supercritical foaming process. According to the process, the uniformity of roundness and excellent elasticity and restorability are achieved during machining, and the uniformity of the roundness is better guaranteed after external force impact.

Rubber compositions including sulfonamides, and golf ball cores made from such compositions are disclosed. The type and concentration of components in the composition affect the properties of cores made therefrom, including, for example, coefficient of restitution and compression, and, thus, can be used to produce golf balls having desirable performance characteristics.

A golf ball includes an assist mark 10 and a guide mark. The assist mark is straight in plan. The guide mark is distorted in plan. The guide mark is in the shape of an arrow as a whole. The guide mark looks straight to a player swinging a golf club. The player moves the head of the golf club along the direction of the guide mark.

A force assessment device includes a support structure having a periphery, a cover positioned around the support structure and configured to define a surface, and a plurality of sensor elements disposed along the periphery of the support structure, each respective sensor element of the plurality of sensor elements being configured to generate an output signal indicative of force applied to the surface at the respective sensor element. The plurality of sensor elements are distributed across the surface such that the output signals from the plurality of sensor elements are collectively indicative of a force profile along the surface, the force profile providing force position data and force magnitude data correlated with the force position data.

Compositions including zinc salts of sulfur-based accelerators, combinations of zinc salts of sulfur-based accelerators, and golf ball cores made from such compositions are disclosed. The type and concentration of components in the composition affect the properties of cores made therefrom, including, for example, coefficient of restitution and compression, and, thus, can be used to produce golf balls having desirable performance characteristics.

A golf ball with dual mantle layers is disclosed herein. The golf ball comprises a core, an inner mantle layer, an outer mantle layer and a cover layer. The golf ball has a COR greater than 0.77. The inner mantle includes a MBS impact modifier. The outer mantle layer is softer than the inner mantle layer.

A golf ball has a generally spherical surface and a plurality of dimples formed on the surface. The dimples are arranged in a dimple pattern defined by a heptagonal dipyramid projected on the surface. The pattern includes fourteen substantially identical dimple sections including seven dimple sections in a first hemisphere and seven dimple sections in a second hemisphere.

A method and system for determining concentricity of a multiple layer golf ball are disclosed herein. One or more images of a golf ball are generated using an X-ray source, a camera or a digital detector, and an image intensifier. An edge detection algorithm is preferably utilized. The method also includes calculating Y,Z center coordinates of the a best fit diameter or ellipse of the inner edge layer and outer edge layer of the multiple layer golf ball.

Golf balls having cores with increased hardness gradients and improved impact durability are provided. The cores have an increased “positive” hardness gradient (or a “hard-to-soft” hardness) where the outer surface of the core is harder than the center. The cores are formed from rubber formulations including combinations of a terpene-based resin, ethylene-propylene-diene (EPDM) rubber, and / or a water releasing agent. The resulting golf balls have increased impact durability and resilience.

The invention provides a toy water polo which comprises a frame shell and a composite shell, the frame shell and the composite shell are both made of elastic soft materials, and the composite shell and the frame shell are enclosed to form a hollow sphere with a water storage cavity. Wherein the frame shell comprises a main body part, the main body part is in an arc shape and surrounds to form part of the side wall of the water storage cavity, and two openings communicated with the water storage cavity are formed in the two sides of the main body part respectively; the composite shell comprises a middle part and end parts arranged on two sides of the middle part, the middle part is connected with the frame shell, and the two end parts are respectively positioned at the positions of the two openings. And when the composite shell and the frame shell are stressed to deform, a gap is formed between the end part and the main body part, and the water storage cavity is communicated with the outside. According to the toy water polo, on the basis that the game function and experience feeling are met, the production procedures and cost are further reduced, and meanwhile the use safety is improved.

A golf ball includes a core, an intermediate layer, and a cover, in which dimples and a land portion are formed on a cover surface, the core is formed of a rubber composition containing a base rubber and an specific organic peroxide, the land portion includes a large number of land portion pieces, one land portion piece has a shape having at least three vertexes, the land portion includes a land portion piece having a specific shape formed by connecting the land portion piece in point contact with another adjacent land portion piece at each of the vertexes, an outer peripheral edge of the land portion piece having the specific shape includes a plurality of edge elements, and a ratio of the number of land portion pieces having a unique shape in which all the edge elements are formed in a predetermined curve is adjusted within a predetermined range.

A method is provided for manufacturing golf balls having markings of excellent definition and durability printed on the surface thereof. The method includes the steps of:(1) applying at least one treatment selected from the group consisting of corona discharge treatment, ultraviolet irradiation treatment, chlorine treatment and primer coating treatment to the surface of a golf ball;(2) forming a sublayer at a place on the treated surface of the golf ball that corresponds to the marking; and(3) forming the marking on the sublayer by inkjet printing.

A method for printing a marking on a golf ball includes arranging ink in an etching pattern on a printing plate, matching a reference position on the plate to a reference position on the golf ball, transferring the ink from the printing plate to a pad, and transferring the ink from the pad to the golf ball such that the golf ball includes the marking. The pattern includes an etch corresponding to the marking, wherein the etch differs from the marking in a manner dependent on the position of the marking on the golf ball. The marking that results on the golf ball is a linear marking, and a centerline of the linear marking lies entirely within a marking plane that is not a centerline plane of the golf ball, and wherein the edges of the marking are parallel with the marking plane.

A golf ball has an alignment aid. The alignment aid has a first alignment feature having a plurality of first areas each in the shape of a first directional indicator. Each of the first areas has a pattern of non-base color elements that are each a second directional indicator. The alignment aid also has a second alignment feature having a base color third directional indicator formed in spaces between the plurality of first areas and defined by edges of at least some of the non-base color elements on two sides of the spaces such that for n first areas, the alignment aid comprises n−1 second alignment features. The first directional indicators, the second directional indicators, and the third directional indicators are simultaneously visible to a golfer viewing the golf ball from above and, in combination, orient the golf ball along a path that follows the target direction.

Golf balls including a core and a cover disposed on the core. The cover may be formed from a cover composition. The cover composition may include an isocyanate-containing component, a first isocyanate-reactive component, a second isocyanate-reactive component, and a chain extender. The first isocyanate-reactive component may be a polyether polyol such as polytetramethylene ether glycol. The second isocyanate-reactive component may be a polyphenylene ether polyol such as poly(2,6-dimethyl-1,4-phenylene ether) diol. The ratio of the first isocyanate-reactive component to the second isocyanate-reactive component ranges from about 90:10 to about 99:1. The chain extender may be a hydroxy-terminated chain extender or an amino-terminated chain extender.

A golf club head having a multiple layered face is disclosed herein. The face comprises a first layer, a second layer and a third layer. The first layer is composed of a titanium alloy material. The second layer is composed of a polyurea material. The third layer is composed of a composite material. The face has a total thickness ranging from 0.030 inch to 0.500 inch.

Systems and methods for tracking a sports object are provided. A sports object includes a core assembly arranged within a shell and having multiple components to receive and transmit signals corresponding to movement of the sports object, as well as to support operational tracking of the sports object. The core assembly includes a multi-layer printed circuit board (PCB) comprised of a plurality of sections. The PCB is configured to at least partially envelope the energy storage device at a geometric center of the assembly. The PCB is connected to one or more antennas (e.g., via one or more contacts), which may be arranged on one or more sections of the PCB, arranged on a surface of the shell, and / or in a volume within the shell.

Disclosed is an interactive sports ball (100). The interactive sports ball comprises a body (102); a sensor arrangement (104) having a first sensor (106), embedded within the body, to measure acceleration data associated with the ball, and a second sensor (108), embedded within the body, to measure rotational data associated with the ball; and a communication module (110) operatively coupled to the sensor arrangement (104) and configured to transmit the measured acceleration and rotational data to a processing unit (120). The processing unit generates a series of sequential measurements corresponding the measured acceleration and rotational data, calculate a variance using a set of sequential measurements from the series of sequential measurements, and detect a contact event if the calculated variance exceeds a predefined event threshold. Disclosed also is a sports management system (200).

The invention relates to the field of sporting goods, in particular to a high elasticity and restorability ball structure, which comprises a foamed ball core, wherein a reinforcing layer is arranged outside the foamed ball core, and a plurality of ball surface patches are bonded to the periphery of the reinforcing layer; the foamed ball core and / or the ball surface patches are prepared by using a supercritical foaming process, which ensures the roundness consistency and excellent elasticity and restorability during processing, as well as the roundness consistency after impact of external forces.

The application relates to the field of sports goods, and discloses an elastic ball with a communication substation, which comprises a ball body, a communication substation, a charging interface and a connecting line, the ball body is an elastic foam solid ball, the communication substation is located at the ball center of the ball body, the charging interface is located on the outer surface of the ball body, the two ends of the connecting line are electrically connected with the communication substation and the charging interface respectively, and the connecting line is an elastic telescopic line. A production method of the elastic ball with the communication substation is also disclosed, which comprises the following steps: S1, determining the ball center of the ball body; S2, installing four supporting rods to abut against the communication substation located at the ball center; S3, foaming to form the ball body; and S4, taking out the four supporting rods in the ball body. The application has the advantages that the elastic foam solid ball and the communication substation are adopted, the ball body drives the communication substation to move when children play ball games, the movement condition of the communication substation can be received by a receiving device, so that whether the children's exercise amount reaches the standard can be judged, and the elastic foam solid ball enables the ball body to normally bounce.

A method for measuring physical properties, e.g., firmness, smoothness, trueness, green speed, of a playing surface on a golf course, includes performing measurements via a measurement apparatus. The measurement apparatus includes a spherical sensor, which in turn includes an accelerometer for measuring motion data relating to motion of the spherical sensor, a memory for storing the motion data, and a communication module for wirelessly transmitting the motion data to a computing device.