专利检索 ap:("Schlumberger Technology Corporation") AND inv:"Doyle Brinegar" 第 1 页

1.

发明申请
COLD ROLLING DEVICES AND COLD ROLLED ROTARY SHOULDERED CONNECTION THREADS 审中-公开

公开(公告)号：US20190060979A1

公开(公告)日：2019-02-28

申请号：US16173923

申请日：2018-10-29

申请人： Schlumberger Technology Corporation

发明人： Rakesh Singh , Ke Ken Li , Michael Hui Du , Fei Song , Stephen Ray Stafford , Anthony Louis Williams Collins , Keith Moriarty , Doyle Brinegar

IPC分类号： B21H3/04 , B23G9/00

摘要： A device for cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is achieved.

2.

发明授权
Cold rolling devices and cold rolled rotary shouldered connection threads 有权

公开(公告)号：US10160033B2

公开(公告)日：2018-12-25

申请号：US14737451

申请日：2015-06-11

申请人： Schlumberger Technology Corporation

发明人： Rakesh Singh , Ke Ken Li , Michael Hui Du , Fei Song , Stephen Ray Stafford , Anthony Louis William Collins , Keith Moriarty , Doyle Brinegar

IPC分类号： B21H3/04 , B23G9/00

摘要： A method of cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is achieved. The thread may be cold rolled with a wheel tip having an elliptical profile.