WO2022116410A1 - 一种机贴球 - Google Patents

一种机贴球 Download PDF

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Publication number
WO2022116410A1
WO2022116410A1 PCT/CN2021/080979 CN2021080979W WO2022116410A1 WO 2022116410 A1 WO2022116410 A1 WO 2022116410A1 CN 2021080979 W CN2021080979 W CN 2021080979W WO 2022116410 A1 WO2022116410 A1 WO 2022116410A1
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Prior art keywords
ball
rubber
layer
stem
machine
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PCT/CN2021/080979
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English (en)
French (fr)
Inventor
赖永腾
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厦门元保运动器材有限公司
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Publication of WO2022116410A1 publication Critical patent/WO2022116410A1/zh

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B41/00—Hollow inflatable balls
    • A63B41/08—Ball covers; Closures therefor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B41/00—Hollow inflatable balls
    • A63B41/10—Bladder and cover united

Definitions

  • the present disclosure relates to the field of machine-mounted balls, in particular to a machine-mounted ball.
  • the commonly used glued machine-mounted balls are made of inner bladder, middle bladder, ball skin, ball mouth, etc.
  • the inner bladder is the ball bladder, which is the heart of the ball.
  • the innermost layer of the ball is made of black rubber; the inner bladder is located outside the yarn layer, which is the adhesive layer of the epidermis and is made of black rubber;
  • the ball skin is divided into synthetic leather (Microfiber, PU, PVC, etc.) and genuine leather; the ball mouth is used to inflate the ball.
  • the current adhesive balls are artificially glued to the inner bladder. Considering that it is not easy to develop skilled workers, labor costs are rising year by year, and the efficiency of sticking skins cannot be broken through.
  • the stems of the machine-applied balls are subsequently pasted or painted, and the subsequently pasted ball stems are pasted with the edge of the machine-applied ball skin, which may not be firmly attached. It is easy to fall off, and there is a hidden danger of warping the skin, and the ball stem drawn directly on the surface of the ball skin cannot bring a good feel and is convenient for players to grasp.
  • the present disclosure provides a machine-mounted ball, comprising: an inner bladder, a protective layer, a rubber layer and a ball skin layer, the protective layer and the rubber layer are sequentially wrapped on the outer surface of the inner bladder, and the ball skin layer includes A plurality of ball pieces, the outer side of the rubber layer is provided with a protruding rubber ball stem, the rubber ball stem separates the outer surface of the rubber layer into a plurality of bonding areas, and the ball pieces are pasted on the bonding areas.
  • the cross section of the rubber ball stem is a fan-shaped ring
  • the side surface of the ball piece is an inclined surface
  • the inclined surface matches the side surface of the rubber ball stem.
  • the cross section of the rubber ball stem is a fan-shaped ring, and its side surface is an inclined surface.
  • the top surface width of the rubber ball stem is 3-6mm, and the thickness of the rubber ball stem is 2-3mm.
  • the rubber ball stem and the rubber layer are integrally formed.
  • the one-piece molding structure can effectively prevent the rubber layer from falling off.
  • the rubber layer is formed by vulcanization and welding of multiple rubber sheets. The outer side edge is provided with a raised rubber sheet. During vulcanization and welding, the protrusions of adjacent rubber sheets are fused with each other to form rubber. Ball stems, rubber ball stems also further thicken the rubber layer there to prevent the rubber layer from wearing.
  • the thickness of the rubber layer is 1-3 mm.
  • the thickness of the ball sheet is 0.8-2mm.
  • the edge of the outer side surface of the ball piece is provided with a thinned part that is arranged obliquely, the width of the thinned part is 4-6 mm, the thinned part and the horizontal plane have an included angle ⁇ , and the range of the included angle ⁇
  • the outer side of the 5°-20° thinned part is bonded to the side of the rubber ball stem. The setting of the thinned part can make the connection between the ball piece and the rubber ball stem more arc, so that the appearance of the sphere is more beautiful and the roundness difference is smaller.
  • the protective layer is a yarn wrapping layer or a woven fabric layer
  • the yarn wrapping layer includes yarns wound on the outer surface of the inner bladder
  • the fabric layer includes a plurality of cloth sheets
  • the cloth sheets are adhered to the inner bladder the outer surface.
  • the inner bladder is formed by wrapping the yarn layer or pasting the woven fabric layer. The yarn bladder or cloth can effectively prevent the inner bladder from being damaged.
  • the yarn is one of cotton yarn, spun yarn, nylon yarn, polyester yarn and nylon yarn, and the thickness of the yarn is 75D-300D or 15-40S.
  • the rubber ball stem is directly connected to the rubber layer.
  • the vibration of the edge of the ball skin will not affect the connection of the ball stem, effectively preventing the ball stem from falling off the sphere.
  • the process of sticking the ball stem after the sphere is formed is saved, the process of making the sphere is reduced, and the production efficiency of the machine sticker ball is improved.
  • the machine sticker ball can be basketball, football, volleyball and other inflatable balls.
  • FIG. 1 is a structural diagram of the machine stick ball according to the specific embodiment.
  • FIG. 2 is an internal structure diagram of the machine-mounted ball according to the specific embodiment.
  • FIG. 3 is a structural diagram of the ball sheet according to the specific embodiment.
  • FIG. 4 is a structural diagram of a machine-mounted basketball without a thinned portion of the ball piece according to the specific embodiment
  • this embodiment provides a machine-fitted ball, including an inner bladder 1 , a protective layer 2 , a rubber layer 3 and a ball skin layer 5 .
  • the protective layer 2 and the rubber layer 3 are sequentially wrapped around the inner bladder 1 .
  • the protective layer 2 is a yarn wrapping layer, and the yarn wrapping layer includes yarns wound on the outer surface of the inner bladder 1 .
  • the yarn is one of cotton yarn, spun yarn, nylon yarn, polyester yarn, nylon yarn, nylon yarn is selected in this embodiment, and the thickness of the yarn is 75D-300D or 15-40S. It can be 75D, 150D, 200D, 300D, 15S, 25S or 40S. In this embodiment, a yarn with a thickness of 200D is selected.
  • the top surface width of the rubber stem 4 is 3 mm
  • the thickness of the rubber stem 4 is 2 mm
  • the thickness of the rubber layer 3 is 1 mm
  • the cross section of the rubber stem 4 is fan-shaped A circular ring
  • the side surface of the ball piece 51 is an inclined surface
  • the inclined surface matches the side surface of the rubber ball stem 4 .
  • the cross-section of the rubber ball stem 4 is a fan-shaped ring, and its side surface is an inclined surface.
  • the rubber stem 4 and the rubber layer 3 are integrally formed.
  • the one-piece molding structure can effectively prevent the rubber layer 3 from falling off.
  • the rubber layer 3 is formed by vulcanization and welding of multiple rubber sheets. The outer side edges are provided with raised rubber sheets. When vulcanized and welded, the protrusions of adjacent rubber sheets are fused with each other.
  • the rubber ball stem 4 is formed, and the rubber ball stem 4 further thickens the rubber layer 3 there to prevent the rubber layer 3 from being worn.
  • the ball skin layer 5 includes a plurality of ball pieces 51 , and a protruding rubber ball stem 4 is provided on the outer side of the rubber layer 3 , and the rubber ball stem 4 separates the outer surface of the rubber layer 3 into a plurality of bonding areas 31 . , the ball sheet 51 is pasted on the adhesive area 31 .
  • the thickness of the ball piece 51 is 0.8mm, the edge of the ball piece 51 is provided with a thinned portion 52, the width of the thinned portion 52 is 4 mm, and the angle between the thinned portion 52 and the horizontal plane angle ⁇ is 20° , the outer edge of the thinned portion 52 is bonded to the side surface of the rubber ball stem 4 .
  • the ball sheet 51 is used to protect the rubber layer 3, and is usually made of materials with internal wear.
  • the ball sheet 51 needs to have a certain thickness. When the ball sheet 51 is bonded to the rubber layer 3, the periphery of the ball sheet 51 is prone to warping, resulting in quality problems.
  • the transition between the ball piece 51 and the rubber ball stem 4 is not smooth enough, which affects the appearance or roundness of the sphere.
  • the setting of the thinned part 52 can make the connection between the ball piece 51 and the rubber ball stem 4 more arcuate, making the appearance of the sphere more round. More beautiful, less roundness difference,
  • This embodiment provides a machine-mounted ball. Compared with Embodiment 1, the difference is that the edge of the ball piece 51 is not provided with a thinned portion 52, and the structure of the ball is shown in FIG. 4 .
  • This embodiment provides a machine-fitted ball, comprising: an inner bladder, a protective layer, a rubber layer and a ball skin layer, the protective layer and the rubber layer are sequentially wrapped on the outer surface of the inner bladder, and the protective layer is a woven fabric layer, so The woven fabric layer includes a plurality of cloth sheets, and the cloth sheets are adhered to the outer surface of the inner bladder to form a cloth bladder.
  • the width of the top surface of the rubber ball stem is 6 mm
  • the thickness of the rubber ball stem is 3 mm
  • the thickness of the rubber layer is 3 mm
  • the cross section of the rubber ball stem is a fan-shaped ring.
  • the side surface of the ball piece is an inclined surface, and the inclined surface is matched with the side surface of the rubber ball stem.
  • the cross section of the rubber ball stem is a fan-shaped ring, and its side surface is an inclined surface.
  • the rubber ball stem and the rubber layer are integrally formed.
  • the one-piece molding structure can effectively prevent the rubber layer from falling off.
  • the rubber layer is formed by vulcanization and welding of multiple rubber sheets.
  • the outer side edge is provided with a raised rubber sheet.
  • Ball stems, rubber ball stems also further thicken the rubber layer there to prevent the rubber layer from wearing.
  • the ball skin layer includes a plurality of ball pieces, the outer side of the rubber layer is provided with a protruding rubber ball stem, and the rubber ball stem separates the outer surface of the rubber layer into a plurality of bonding areas, and the ball pieces are pasted on the outer surface of the rubber layer. on the bonding area.
  • the thickness of the ball piece is 2mm
  • the edge of the ball piece is provided with a thinned part
  • the width of the thinned part is 6mm
  • the angle between the thinned part 52 and the angle ⁇ of the horizontal plane is 5°
  • the thickness of the thinned part is 5°.
  • the outside edge is bonded to the side of the rubber stem.
  • the ball is used to protect the rubber layer, and it is usually made of internally worn materials.
  • the ball must have a certain thickness. When the ball is bonded to the rubber layer, the periphery of the ball is prone to warping, resulting in quality problems, or the ball and the rubber
  • the transition of the ball stem is not smooth enough, which affects the appearance or roundness of the sphere.
  • the setting of the thinned part can make the connection between the ball piece and the rubber ball stem more arc, making the appearance of the sphere more beautiful and the roundness difference smaller.
  • Comparative Example 1 A machine-mounted ball, which is different from Example 1 in that it is shown in Table 1.
  • Comparative Example 2 A machine-mounted ball, which is different from Example 1 in that it is shown in Table 1.
  • the rubber ball stem and the rubber layer have an integrated structure, and the ball stem is not easy to fall off.
  • the connection structure between the side surface of the rubber ball stem and the ball skin makes the edge of the ball skin not easy to lift up, so that the finished ball has good impact resistance.
  • the ball stem is attached, which easily affects the roundness of the sphere.
  • the rubber stem and the rubber layer are integrally constructed, and the thinned part of the edge of the ball skin makes the edge of the ball skin and the stem With a good transition area, the roundness of the sphere is less.

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  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
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Abstract

本公开涉及篮球领域，公开一种机贴球，包括内胆、保护层、橡胶层和球皮层，所述保护层、橡胶层依次包裹在内胆的外表面，所述球皮层包括多个球片，所述橡胶层的外侧面设有突出的橡胶球梗，所述橡胶球梗将橡胶层的外表面分隔成多个粘合区，所述球片粘贴在粘合区上，本公开中，球梗与橡胶层之间连接，避免了球梗脱落的现象。

Description

一种机贴球 技术领域
本公开涉及机贴球领域，特别是一种机贴球。
背景技术
传统机贴球分橡胶球和胶粘球，常用的是胶粘机贴球，由内胆、中胆、球皮、球嘴等制作而成。内胆即球胆，是球的心脏，在球的最里层，由黑色橡胶制成；中胆位于纱层外面,为表皮的粘着层,且由黑色橡胶制成；球皮分为合成皮(超细强力纤维、PU、PVC等)以及真皮；球嘴用于给球充气。但目前的胶粘球都是用人工将球皮黏合于中胆上，考虑技术工养成不易、人工成本逐年攀升，及贴皮效率无法突破。故考虑运用机器贴皮，以提升生产效率、降低成本。但是，目前现有机贴机贴球加工工艺，制成的机贴球的球梗为后续贴上去或者画上去，后续粘贴上去的球梗与机贴球球皮的边缘粘贴，可能粘贴不够牢固，容易脱落，存在翘皮的隐患，而直接在球皮表面画上的球梗，无法带来良好的手感，方便运动员的抓取。
发明内容
为此，需要提供一种机贴球，解决球梗容易翘皮、脱落的问题。
为实现上述目的，本公开提供了一种机贴球，包括：内胆、保护层、橡胶层和球皮层，所述保护层、橡胶层依次包裹在内胆的外表面，所述球皮层包括多个球片，所述橡胶层的外侧面设有突出的橡胶球梗，所述橡胶球梗将橡胶层的外表面分隔成多个粘合区，所述球片粘贴在粘合区上。
进一步，所述橡胶球梗的横截面为扇形圆环，所述球片的侧面为一倾斜面，所述倾斜面与橡胶球梗的侧面相匹配。横截面为扇形圆环的橡胶球梗，其侧面为倾斜面，当球片的侧面与该倾斜面相互配合时，倾斜的橡胶球梗能够阻止球片的边缘翘起，有效的阻止了翘皮现象的产生。
进一步，所述橡胶球梗的顶面宽度为3-6mm，所述橡胶球梗的厚度为 2-3mm。
进一步，所述橡胶球梗与橡胶层为一体成型结构。一体成型结构可以有效的防止橡胶层脱落，橡胶层由多片橡胶片硫化熔接而成，使用外侧面边缘设有凸起的橡胶片，硫化熔接时，相邻橡胶片的凸起相互融合形成橡胶球梗，橡胶球梗也进一步加厚该处的橡胶层，防止橡胶层磨损。
进一步，所述橡胶层的厚度为1-3mm。
进一步，所述球片的厚度为0.8-2mm。
进一步，所述球片的外侧面边缘设有倾斜设置的削薄部，所述削薄部的宽度为4-6mm，所述削薄部与水平面具有夹角α，所述夹角α的范围为5°-20°削薄部的外侧边与橡胶球梗的侧面相粘接。削薄部的设置能够使得球片与橡胶球梗的连接处更加的圆弧，使得球体的外观更美观，圆度差更小。
进一步，所述保护层为缠纱层或织布层，所述缠纱层包括缠绕在内胆外表面的纱线，所述布层包括多个布片，所述布片粘附在内胆的外表面。内胆缠绕上缠纱层或粘贴上织布层后形成，纱胆或者布，有效的防止内胆受到破坏。
进一步，所述纱线为棉纱、短纤纱、锦纶纱、涤纶纱、尼龙纱中的一种，所述纱线的粗度为75D-300D或15-40S。
上述技术方案具有以下有益效果：
本公开中，橡胶球梗与橡胶层直接连接，在球皮接受大面积冲击时，球皮边缘的震动不会影响球梗的连接，有效防止球梗从球体上脱落，同时，橡胶球梗在制作橡胶层时，同时，节省了球体成型后的贴球梗工序，减少了球体制作工序，提高了机贴球的制作效率，机贴球可以是篮球、足球、排球等充气球。
附图说明
图1为具体实施方式所述机贴球的结构图。
图2为具体实施方式所述机贴球内部结构图。
图3为具体实施方式所述球片结构图。
图4为具体实施方式所述球片未设削薄部的机贴篮球的结构图
附图标记说明：
1、内胆；2、保护层；3、橡胶层；31、粘合区；4、橡胶球梗；5、球皮层；51、球片；52、削薄部。
具体实施方式
为详细说明技术方案的技术内容、构造特征、所实现目的及效果，以下结合具体实施例并配合附图详予说明。
实施例1
请参阅图1-4，本实施例提供一种机贴球，包括内胆1、保护层2、橡胶层3和球皮层5，所述保护层2、橡胶层3依次包裹在内胆1的外表面，所述保护层2为缠纱层，所述缠纱层包括缠绕在内胆1外表面的纱线。所述纱线为为棉纱、短纤纱、锦纶纱、涤纶纱、尼龙纱中的一种，本实施例选用尼龙纱，所述纱线的粗度为75D-300D或15-40S，具体的可以为75D、150D、200D、300D、15S、25S或40S，本实施例中选用粗度为200D的纱线。
本实施例中，所述橡胶球梗4的顶面宽度为3mm，所述橡胶球梗4的厚度为2mm，所述橡胶层3的厚度为1mm，所述橡胶球梗4的横截面为扇形圆环，所述球片51的侧面为一倾斜面，所述倾斜面与橡胶球梗4的侧面相匹配。横截面为扇形圆环的橡胶球梗4，其侧面为倾斜面，当球片51的侧面与该倾斜面相互配合时，倾斜的橡胶球梗4能够阻止球片51的边缘翘起，有效的阻止了翘皮现象的产生。
所述橡胶球梗4与橡胶层3为一体成型结构。一体成型结构可以有效的防止橡胶层3脱落，橡胶层3由多片橡胶片硫化熔接而成，使用外侧面边缘设有凸起的橡胶片，硫化熔接时，相邻橡胶片的凸起相互融合形成橡胶球梗4，橡胶球梗4也进一步加厚该处的橡胶层3，防止橡胶层3磨损。
所述球皮层5包括多个球片51，所述橡胶层3的外侧面设有突出的橡胶 球梗4，所述橡胶球梗4将橡胶层3的外表面分隔成多个粘合区31，所述球片51粘贴在粘合区31上。
所述球片51的厚度为0.8mm，所述球片51的边缘设有削薄部52，所述削薄部52的宽度为4mm，削薄部52与水平面夹角α的角度为20°，削薄部52的外侧边与橡胶球梗4的侧面相粘接。球片51用于保护橡胶层3，通常使用内磨损的材料制成，球片51需具有一定的厚度，球片51与橡胶层3粘合时，其周边容易发生翘皮，导致质量问题，或者球片51与橡胶球梗4的过渡不够圆滑，影响球体的外观或圆度，削薄部52的设置能够使得球片51与橡胶球梗4的连接处更加的圆弧，使得球体的外观更美观，圆度差更小，
实施例2
本实施例提供一种机贴球，与实施例1相比，不同点在于，球片51的边缘不设置削薄部52，则球的结构如图4所示。
实施例3
本实施例提供一种机贴球，包括：内胆、保护层、橡胶层和球皮层，所述保护层、橡胶层依次包裹在内胆的外表面，所述保护层为织布层，所述织布层包括多个布片，所述布片粘附在内胆的外表面形成布胆。本实施例中，所述橡胶球梗的顶面宽度为6mm，所述橡胶球梗的厚度为3mm，所述橡胶层的厚度为3mm，所述橡胶球梗的横截面为扇形圆环，所述球片的侧面为一倾斜面，所述倾斜面与橡胶球梗的侧面相匹配。横截面为扇形圆环的橡胶球梗，其侧面为倾斜面，当球片的侧面与该倾斜面相互配合时，倾斜的橡胶球梗能够阻止球片的边缘翘起，有效的阻止了翘皮现象的产生。
所述橡胶球梗与橡胶层为一体成型结构。一体成型结构可以有效的防止橡胶层脱落，橡胶层由多片橡胶片硫化熔接而成，使用外侧面边缘设有凸起的橡胶片，硫化熔接时，相邻橡胶片的凸起相互融合形成橡胶球梗，橡胶球梗也进一步加厚该处的橡胶层，防止橡胶层磨损。
所述球皮层包括多个球片，所述橡胶层的外侧面设有突出的橡胶球梗， 所述橡胶球梗将橡胶层的外表面分隔成多个粘合区，所述球片粘贴在粘合区上。
所述球片的厚度为2mm，所述球片的边缘设有削薄部，所述削薄部的宽度为6mm，削薄部52与水平面夹角α的角度为5°，削薄部的外侧边与橡胶球梗的侧面相粘接。球片用于保护橡胶层，通常使用内磨损的材料制成，球片需具有一定的厚度，球片与橡胶层粘合时，其周边容易发生翘皮，导致质量问题，或者球片与橡胶球梗的过渡不够圆滑，影响球体的外观或圆度，削薄部的设置能够使得球片与橡胶球梗的连接处更加的圆弧，使得球体的外观更美观，圆度差更小.
对照例1：一种机贴球，与实施例1不同点在于如表1所示。
对照例2：一种机贴球，与实施例1不同点在于如表1所示。
表1.实施例1-3和对比例1-2的检测结果。
Figure PCTCN2021080979-appb-000001
Figure PCTCN2021080979-appb-000002
表1中，圆周差按照GB/T 14625.5进行检验，圆度即最大半径差按照GB/T 14625.1进行检验，耐冲击性能即冲击次数按照GB/T 14625.3进行检验，检验结果符合国标要求也符合FIBA国际标准，另外通过对照例1-2对比可知，当削薄部的夹角α超出本发明的范围时，成品样球的性能及外观有较大的降低。
本公开中，橡胶球梗与橡胶层为一体结构，球梗不易脱落，同时橡胶球梗侧面与球皮的连接结构，使得球皮的边缘不易翘起，进而使得球体成品具有良好的耐冲击能力。另外，现有技术中，球体成型后再贴球梗，容易对球体的圆度产生影响，橡胶球梗与橡胶层为一体结构，且球皮边缘的削薄部使得球皮与球梗的边缘具有良好的过渡区域，使得球体的圆度更小。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下，由语句“包括……”或“包含……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的要素。此外，在本文中，“大于”、“小于”、“超过”等理解为不包括本数；“以上”、“以下”、“以内”等理解为包括本数。
尽管已经对上述各实施例进行了描述，但本领域内的技术人员一旦得知 了基本创造性概念，则可对这些实施例做出另外的变更和修改，所以以上所述仅为本公开的实施例，并非因此限制本公开的专利保护范围，凡是利用本公开说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本公开的专利保护范围之内。

Claims (9)

  1. 一种机贴球，其特征在于，包括内胆、保护层、橡胶层和球皮层，所述保护层、橡胶层依次包裹在内胆的外表面，所述球皮层包括多个球片，所述橡胶层的外侧面设有突出的橡胶球梗，所述橡胶球梗将橡胶层的外表面分隔成多个粘合区，所述球片粘贴在粘合区上。
  2. 如权利要求1所述的机贴球，其特征在于，所述橡胶球梗的横截面为扇形圆环，所述球片的侧面为一倾斜面，所述倾斜面与橡胶球梗的侧面相匹配。
  3. 如权利要求2所述的机贴球，其特征在于，所述橡胶球梗的顶面宽度为3-6mm，所述橡胶球梗的厚度为2-3mm。
  4. 如权利要求2所述的机贴球，其特征在于，所述橡胶球梗与橡胶层为一体成型结构。
  5. 如权利要求1所述的机贴球，其特征在于，所述橡胶层的厚度为1-3mm。
  6. 如权利要求1所述的机贴球，其特征在于，所述球片的厚度为0.8-2mm。
  7. 如权利要求1所述的机贴球，其特征在于，所述球片的外侧面边缘设有倾斜设置的削薄部，所述削薄部的宽度为4-6mm，所述削薄部与水平面具有夹角α，所述夹角α的范围为5°-20°，削薄部的外侧边与橡胶球梗的侧面相粘接。
  8. 如权利要求1所述的机贴球，其特征在于，所述保护层为缠纱层或织布层，所述缠纱层包括缠绕在内胆外表面的纱线，所述布层包括多个布片，所述布片粘附在内胆的外表面。
  9. 如权利要求8所述的机贴球，其特征在于，所述纱线为棉纱、短纤纱、锦纶纱、涤纶纱、尼龙纱中的一种，所述纱线的粗度为75D-300D或15-40S。
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Publication number Priority date Publication date Assignee Title
US5310178A (en) * 1993-01-29 1994-05-10 Lisco, Inc. Basketball with polyurethane cover
US20040259670A1 (en) * 2003-06-18 2004-12-23 Yen-Li Chang Basketball
CN101773723A (zh) * 2010-01-12 2010-07-14 黄凤 无胶无缝硫化贴皮球制作工艺
CN104524748A (zh) * 2014-12-31 2015-04-22 通城辉隆体育用品有限公司 一种贴皮球及其制作工艺
CN204380137U (zh) * 2014-12-31 2015-06-10 通城辉隆体育用品有限公司 一种贴皮球
CN111973959A (zh) * 2020-09-15 2020-11-24 洞口县昌冠隆体育用品有限公司 一种球的制作方法、tpu皮料、加硫模具和机贴球

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310178A (en) * 1993-01-29 1994-05-10 Lisco, Inc. Basketball with polyurethane cover
US20040259670A1 (en) * 2003-06-18 2004-12-23 Yen-Li Chang Basketball
CN101773723A (zh) * 2010-01-12 2010-07-14 黄凤 无胶无缝硫化贴皮球制作工艺
CN104524748A (zh) * 2014-12-31 2015-04-22 通城辉隆体育用品有限公司 一种贴皮球及其制作工艺
CN204380137U (zh) * 2014-12-31 2015-06-10 通城辉隆体育用品有限公司 一种贴皮球
CN111973959A (zh) * 2020-09-15 2020-11-24 洞口县昌冠隆体育用品有限公司 一种球的制作方法、tpu皮料、加硫模具和机贴球

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