公开(公告)号：US09624730B2

公开(公告)日：2017-04-18

申请号：US13991090

申请日：2011-11-30

申请人： Randy R. Runquist ,  Keith Allen Hoelting ,  Chris Fontana

发明人： Randy R. Runquist ,  Keith Allen Hoelting ,  Chris Fontana

IPC分类号： E21B10/08 ,  E21B10/54 ,  E21B10/62 ,  B05D1/32

CPC分类号： E21B10/08 ,  B05D1/32 ,  E21B10/54 ,  E21B10/62

摘要： Bits configured for drilling rock that are of the type that includes a plurality of teeth supported in pockets that are on a cutting face that is driven to rotate. The pockets are configured to allow the teeth to passively rotate while in the pockets. The present disclosure provides a bit having hardfacing around the pockets and related methods.

公开(公告)号：US20130248255A1

公开(公告)日：2013-09-26

申请号：US13991090

申请日：2011-11-30

申请人： Randy R. Runquist ,  Keith Allen Hoelting ,  Chris Fontana

发明人： Randy R. Runquist ,  Keith Allen Hoelting ,  Chris Fontana

IPC分类号： E21B10/08 ,  B05D1/32

CPC分类号： E21B10/08 ,  B05D1/32 ,  E21B10/54 ,  E21B10/62

摘要： Bits configured for drilling rock that are of the type that includes a plurality of teeth supported in pockets that are on a cutting face that is driven to rotate. The pockets are configured to allow the teeth to passively rotate while in the pockets. The present disclosure provides a bit having hardfacing around the pockets and related methods.

摘要翻译： 用于钻岩的钻头，其类型包括支撑在被驱动旋转的切割面上的凹穴中的多个齿。 口袋配置成允许牙齿在口袋中被动旋转。 本公开提供了一些在口袋周围具有硬面部位和相关方法的位。