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Sports shoe spike for synthetic tracks - has axial grooves of varying depth to prevent embedding in track
Sports shoe spike for synthetic tracks - has axial grooves of varying depth to prevent embedding in track
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机译:用于合成履带的运动鞋钉-具有变化深度的轴向凹槽以防止嵌入履带中
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摘要
The sports shoe spike comprises a conical member which tapers towards its free end and has pref. three grooves which begin at the tip of the spike and extend to the base of the cone. The depth of the grooves gradually increases from the tip of the spike and then rapidly decreases to the base of the spike so that the angle between the longitudinal axis of the spike and the base of the groove increases comparatively quickly in the area of the cone adjoining the sole so that the spike is prevented from embedding itself in the synthetic track. The free end of the spike can be rounded off and flattened in the normal way if required.
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