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1. 发明申请

US20050161263A1 Core bit for use with a core drill 审中-公开
标题翻译：核心钻头用于核心钻头
公开(公告)号：US20050161263A1
公开(公告)日：2005-07-28
申请号：US10504306
申请日：2003-12-25
申请人： Yoshiyuki Takano , Hisashi Okino , Shinji Nakashima
发明人： Yoshiyuki Takano , Hisashi Okino , Shinji Nakashima
IPC分类号： B23B51/04 , B28D1/04 , E21B10/00
CPC分类号： B23B51/0473 , B23B2260/126 , B28D1/041
摘要： The present invention relates to a core bit (1) for a core drill in which a tube (20) is detachable relative to a coupling (10), and has a structure which allows core remaining in a tube to be removed out of an opening of the tube at a side thereof where no segment is present. The core bit further has a firm structure for fitting the tube (20) onto the coupling (10). The coupling (10) of the core bit (1) to be fitted to the core drill has an insertion part (11b), onto which the tube (20) is to be detachably fitted. On the outer side of the coupling (10), there is mounted a coupling cover (30), which covers the insertion part (11b) of the coupling (10). The provided on respective separate positions are: an anti-rotation structure for preventing the tube (20) fitted onto the insertion part (11b) from rotating relative to the insertion part (11b); and a fixing structure for preventing the tube (20) from dropping off the insertion part (11b).
摘要翻译：本发明涉及一种用于芯钻的芯钻头（1），其中管（20）相对于联接件（10）是可拆卸的，并且具有允许保留在管中的铁芯从开口中移除的结构在其一侧没有段存在的管。芯部还具有将管（20）装配到联接器（10）上的牢固结构。要安装到芯钻头的芯钻头（1）的联接器（10）具有插入部分（11b），管（20）可拆卸地安装在该插入部分上。在联接器（10）的外侧上安装有覆盖联轴器（10）的插入部分（11b）的联接盖（30）。设置在各个分开位置的是：用于防止嵌合在插入部分上的管子相对于插入部分旋转的防旋转结构; 以及用于防止所述管（20）脱离所述插入部（11b）的固定结构。

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