摘要:
A golf ball is prepared by forming a cover of two layer structure consisting of an inner layer and a thin outer layer on a core by heat compression molding. A color difference .DELTA.E in Lab color space between the inner and outer layers is up to 3. Tracks of seams and streaks on the inner layer at the parting line are visually unperceivable, and the ball is good looking.
摘要:
The invention provides a wound golf ball comprising a liquid center in the form of a center bag filled with a liquid, a thread rubber layer, and a cover. The liquid is based on water and has a viscosity of 1 to 500 centipoises at 20.degree. C. The liquid center has a diameter D of 26-32 mm. The relationship: (A.times.B)/D.ltoreq.4.5 is met wherein A is a gage as expressed in mm and B is a hardness on JIS A scale of the center bag. A hysteresis loss of up to 7% is recorded when the liquid center is deformed to 50% of its diameter. The ball has a pleasant hitting feel and a reduced spin rate, and travels a longer distance.
摘要翻译:本发明提供了一种缠绕高尔夫球,其包括填充有液体的中心袋,螺纹橡胶层和盖的形式的液体中心。 该液体基于水,并且在20℃下具有1至500厘泊的粘度。液体中心的直径D为26-32mm。 满足:(AxB)/ D = 4.5,其中A是以mm表示的量具,B是中心袋的JIS A标度的硬度。 当液体中心变形到其直径的50%时,记录高达7%的滞后损失。 球具有愉快的打击感和降低的旋转速度,并且行驶更长的距离。
摘要:
The present invention provides a thread-wound golf ball comprising a thread rubber ball prepared by winding thread rubber around a spherical solid center and a cover enclosing the thread rubber ball therein, wherein the solid center satisfies the following equations (1) to (3): .alpha.=26 to 34 (mm) (1) 10.0-0.25.alpha.(mm)
摘要:
An optical fiber assembly is used to conduct incident light from, e.g., a light-diffusing plate to a photodetecting apparatus such as an automatic white balance sensor equipped with an RGB filter. The light-admitting ends of the fibers are distributed substantially uniformly across the light-admitting end of the fiber assembly, and the light-issuing ends of the fibers are arranged in a predetermined pattern, e.g., they are grouped in accordance with the arrangement of the RGB filter.
摘要:
A golf ball having at least three different sizes of dimples and whose total dimple area quotient is optimized for increasing the golf ball's flying distance. The dimple area quotient represents the sum of the surface area indexes of all dimples divided by the surface area of the ball. The golf ball contains a plurality of dimples disposed about the spherical surface of the golf ball, and said plurality of dimples includes at least three types of dimples, said plurality of dimples having a total dimple surface area quotient Dst of at least 4, wherein the total dimple surface area quotient Dst is defined as: ##EQU1## wherein n is a positive integer of at least 3, k is one of plurality of discrete dimple groups covering the spherical surface of said golf ball,Nk is the number of dimples belonging to a group k, wherein k is 1, 2, 3, . . . , n,Dmk is the diameter of dimples belonging to a selected group k,Dpk is the depth of dimples belonging to a selected group k,R is the radius of the ball, andVo is a value obtained by dividing the volume of the dimple space defined between the surface of each dimple and a plane defined by the periphery of each dimple by the volume of a cylinder having said plane defined by the periphery of each dimple as its base and the maximum depth of each dimple as its height.
摘要:
A covering composition comprising an ionomer resin and a low-molecular weight polyethylene wax has improved impact resistance. A golf ball having a core enclosed in a cover thereof is fully durable and exhibits satisfactory flying performance.
摘要:
An optical axis correction apparatus of an imaging device, the imaging device including an imaging optical system having a plurality of optical elements, and an optical element position changing device which changes a relative position among the optical elements to vary a state of an object image formed thereby, the optical axis correction apparatus including an optical element moving device which moves at least one of the optical elements in a plane orthogonal to an optical axis; a memory which stores data relating to a deviation of the object image position in directions orthogonal to the optical axis, the deviation occurring when the optical element position changing device changes the relative position among the optical elements; and an object image position correction controller which drives the optical element moving device based on the data stored in the memory to correct said deviation of the object image position.
摘要:
An image-capturing apparatus is provided that comprises an imaging device, a support member, a drive mechanism, and a fixed member. The support member supports the imaging device. The drive mechanism moves the support member in a plane parallel to an imaging surface of the imaging device and in an independent first and second directions. The fixed member is placed within a support-member movable-range, in which the support member is moved by the drive mechanism. The drive mechanism induces impact on the support member by engaging the support member with the fixed member.
摘要:
An illuminating device is used for oral photography and is connectable to a lens barrel provided on a camera. The illuminating device includes a light-emitting surface that has an arc shape, so that a periphery of a mouth being under a nose of a person being photographed can be exclusively illuminated.
摘要:
An illuminating device is used for oral photography and is connectable to a lens barrel provided on a camera. The illuminating device includes a light-emitting surface that has an arc shape, so that a periphery of a mouth being under a nose of a person being photographed can be exclusively illuminated.