发明申请
- 专利标题： SEAL RING BACKUP DEVICES AND METHODS FOR PREVENTING EXTRUSION
- 专利标题（中）： 密封圈备用装置和防止挤出的方法
-
申请号： US13352829申请日： 2012-01-18
-
公开(公告)号： US20130180733A1公开(公告)日： 2013-07-18
- 发明人: Richard S. Bradshaw , Jeremy Buc Slay
- 申请人： Richard S. Bradshaw , Jeremy Buc Slay
- 申请人地址： US TX Houston
- 专利权人： Halliburton Energy Services, Inc.
- 当前专利权人： Halliburton Energy Services, Inc.
- 当前专利权人地址： US TX Houston
- 主分类号： E21B33/12
- IPC分类号： E21B33/12 ; B23H1/00 ; B22D25/02 ; B26D1/00 ; F16J15/00 ; B05D3/12
摘要：
The present invention relates to seal ring back-up devices suitable for use on glands in sealing systems. In particular, the present invention relates to seal ring back-up devices that have been designed to fit into essentially all types of glands and close extrusion gaps. Some embodiments of the present invention provide a seal ring back-up device having an annular body having an inner diameter, an outer diameter, and a scarf cut; and where the annular body is configured to fit a gland and engage a seal ring.
公开/授权文献
信息查询
