Invention Grant
- Patent Title: Cutting elements retained within sleeves
- Patent Title (中): 切割元件保留在袖子中
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Application No.: US13786085Application Date: 2013-03-05
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Publication No.: US09328564B2Publication Date: 2016-05-03
- Inventor: Youhe Zhang , Jibin Shi , Yuri Burhan , Chen Chen
- Applicant: SMITH INTERNATIONAL, INC.
- Applicant Address: US TX Houston
- Assignee: SMITH INTERNATIONAL, INC.
- Current Assignee: SMITH INTERNATIONAL, INC.
- Current Assignee Address: US TX Houston
- Main IPC: E21B10/573
- IPC: E21B10/573 ; E21B10/42 ; E21B10/627 ; E21B10/633
Abstract:
A cutter assembly may include a sleeve; and at least one cutting element having a lower spindle portion retained in the sleeve and a portion of the cutting element interfacing an axial bearing surface of the sleeve, wherein an outer diameter D of the cutting element and a radial length T of a substantially planar portion of the axial bearing surface of the sleeve have the following relationship: (1/25)D≦T≦(1/4)D.
Public/Granted literature
- US20130333953A1 CUTTING ELEMENTS RETAINED WITHIN SLEEVES Public/Granted day:2013-12-19
Information query
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