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发明公开
CN102138010A 具有增大的摩擦系数的垫圈、螺栓或螺母 无效 - 驳回

具有增大的摩擦系数的垫圈、螺栓或螺母
摘要：
本发明涉及一种垫圈(10)、螺栓或螺母，其包括面向工件的端面(12)，其中，端面(12)具有同心、环状的环绕缘部(14)，并且端面(12)的位于环绕缘部(14)外侧的区域(18)从外侧朝向缘部(14)锥形地渐变，并且随着从外侧向内侧而远离工件地倾斜。
摘要（英）：

The present invention relates to a washer (10), screw or nut having an end surface (12) which faces toward a workpiece, wherein the end surface (12) is provided with a concentric, annularly encircling web (14), and that region (18) of the end surface (12) which is situated outside the encircling web (14) tapers conically toward the web (14) from the outside, with the inclination from the outside to the inside being directed away from the workpiece.

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