首页> 外国专利> RETRO-RETRO-RETRO-RETRO-RETRO-RETRO-RETRO-RETRO-REFRIGERABLE OPENING

RETRO-RETRO-RETRO-RETRO-RETRO-RETRO-RETRO-RETRO-REFRIGERABLE OPENING

机译:复古-复古-复古-复古-复古-复古-复古-复古-可冷藏开口

摘要

A drill bit that has a drill bit body with a side wall and opposite ends. A distal one of the opposite ends of the drill bit body receives a cutting insert. The drill bit body contains at least two helical debris ports in the side wall thereof. The drill bit body further contains a helical scallop that corresponds to each one of the helical debris ports. Each one of the helical scallops surrounds so as to define the periphery of its corresponding one of the helical debris ports.
机译:一种具有具有侧壁和相对端的钻头主体的钻头。钻头主体的相对端的远端之一接收切削刀片。钻头主体在其侧壁中包含至少两个螺旋形碎屑端口。钻头主体还包含与每个螺旋形碎屑端口相对应的螺旋形扇贝。螺旋形扇贝中的每个扇贝围绕,以限定其相应的一个螺旋状碎屑端口的外围。

著录项

  • 公开/公告号DE602004009937D1

    专利类型

  • 公开/公告日2007-12-20

    原文格式PDF

  • 申请/专利权人 KENNAMETAL INC.;

    申请/专利号DE20046009937T

  • 发明设计人 BISE DOUGLAS E.;

    申请日2004-06-09

  • 分类号E21B10/58;E21B10/38;

  • 国家 DE

  • 入库时间 2022-08-21 19:48:18

获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号