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1. 发明申请

US20090110515A1 SCREW FOR USE IN NONMETAL OBJECTS 有权
标题翻译：螺丝用于非对象物体
公开(公告)号：US20090110515A1
公开(公告)日：2009-04-30
申请号：US11924555
申请日：2007-10-25
申请人： Chi-Hsiang CHEN
发明人： Chi-Hsiang CHEN
IPC分类号： F16B35/04
CPC分类号： F16B25/103 , F16B25/0015 , F16B25/0052 , F16B25/0068 , F16B25/0078
摘要： The present invention pertains to a screw for use in nonmetal objects comprising a plurality of cut-aiding portions formed by the longer and shorter cutting surfaces inclined toward opposite directions. Further, a cutting edge formed by the junction of any two adjacent cutting surfaces presents in a fastening direction of the screw. Thus, the cutting edge assists the threads to thoroughly severe and to shatter the fibers and debris of the objects, which can also be accommodated into the cut-aiding portions. Also, the ridge of the longer cutting surface aids in cutting fibers and further guides the debris out. In this manner, the present invention facilitates to enhance cutting capability for obtaining less screwing resistance, to prevent the destruction of the object and to increase the screwing speed.
摘要翻译：本发明涉及一种用于非金属物体的螺钉，包括由相对方向倾斜的较长和较短切割表面形成的多个切割部分。此外，由任何两个相邻的切割表面的接合部形成的切削刃沿螺钉的紧固方向呈现。因此，切削刃有助于螺纹彻底严重并破坏物体的纤维和碎屑，其也可以容纳在切割辅助部分中。此外，较长切割表面的脊线有助于切割纤维，并进一步将碎屑引导出来。以这种方式，本发明有助于提高切割能力，以获得较少的旋拧阻力，以防止物体的破坏和提高旋拧速度。

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