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公开(公告)号：EP3219367B1
公开(公告)日：2018-07-04
申请号：EP16171436.5
申请日：2016-05-25
发明人： LU, Yadong
CPC分类号： A63B41/08 , A63B41/02 , A63B45/00 , A63B2041/005
摘要： A sewn ball includes an inner tube and a housing (4). The inner tube includes a tube body (1), a yarn layer (2) and a rubber layer (3), wherein the yarn layer is attached to an external surface of the tube body, the rubber layer is attached to an external surface of the yarn layer and is then vulcanized, in such a manner that a rubber raw material of the rubber layer permeates through yarn gaps of the yarn layer, so as to integrate the tube body, the yarn layer with the rubber layer. The housing (4) wraps around and is attached to the inner tube (1). The sewn ball provided by the present invention has excellent bouncing ability, high strength, good durability, small circumferential error, and excellent balance and flight stability.
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公开(公告)号：EP3219367A1
公开(公告)日：2017-09-20
申请号：EP16171436.5
申请日：2016-05-25
发明人： LU, Yadong
CPC分类号： A63B41/08 , A63B41/02 , A63B45/00 , A63B2041/005
摘要： A sewn ball includes an inner tube and a housing (4). The inner tube includes a tube body (1), a yarn layer (2) and a rubber layer (3), wherein the yarn layer is attached to an external surface of the tube body, the rubber layer is attached to an external surface of the yarn layer and is then vulcanized, in such a manner that a rubber raw material of the rubber layer permeates through yarn gaps of the yarn layer, so as to integrate the tube body, the yarn layer with the rubber layer. The housing (4) wraps around and is attached to the inner tube (1). The sewn ball provided by the present invention has excellent bouncing ability, high strength, good durability, small circumferential error, and excellent balance and flight stability.
摘要翻译： 缝制的球包括内管和壳体（4）。 内管包括管体（1），纱层（2）和橡胶层（3），其中纱层附着到管体的外表面，橡胶层附着到管体的外表面 然后硫化，使得橡胶层的橡胶原料渗透通过纱线层的纱线间隙，从而使管体，纱线层与橡胶层成为一体。 壳体（4）环绕并附接到内管（1）。 本发明提供的缝制球具有优异的弹跳能力，强度高，耐用性好，周向误差小，平衡性和飞行稳定性优异。
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