专利检索 ap:("ANTELOPE OIL TOOL & MFG CO LLC") AND inv:"MILLER EUGENE EDWARD" 第 1 页

1.

发明公开
DEVICES AND METHODS FOR FORMING BOW SPRINGS OF ONE-PIECE CENTRALIZERS 审中-公开

公开(公告)号：EP3294471A1

公开(公告)日：2018-03-21

申请号：EP16793140

申请日：2016-04-22

申请人： ANTELOPE OIL TOOL & MFG CO LLC

发明人： MILLER EUGENE EDWARD , JOHNSTON EVERETT H , NEEL JESSE L , CARROLL CHARLES , RIBBLE GEORGE W

IPC分类号： B21D11/10 , B21D43/11 , B21D43/28

CPC分类号： B21D53/00 , B21D11/10 , E21B17/1028

摘要： A device for forming bow springs in a one-piece centralizer includes a swing arm that is configured to receive the one-piece centralizer. The device and process using the device include mechanically applying, with a press, an external load onto an un-formed bow spring positioned on a form of the swing arm. When the load is applied with the device, the un-formed centralizer is forced downward to allow the bow spring to take the desired form/shape/geometry, length, and height of a formed bow spring.