Patent ID: 8235396
Filing Date: 2012-08-07
Classification: E21B,F16J,F16L

Abstract:
1. A seal assembly for sealing an annular gap between first and second bodies, comprising: an annular body having first and second ends, wherein the annular body comprises at least one notched portion disposed between the first and second ends, and the seal assembly comprises a first sealing ring disposed in a first notched portion of the annular body and configured to provide a biasing force in a radially inward direction with respect to the annular body; at least one backup ring disposed on one of the first or second ends, the backup ring comprising: a pair of loop ends extending toward the annular body and configured to secure the backup ring to the annular body; and an inflected portion located between the loop ends and in abutment with the annular body, wherein the inflected portion facilitates elastic deformation of the backup ring.