Patent ID: 8973921
Filing Date: 2015-03-10
Classification: F16J

Abstract:
1. A sealing member configured to be radially outwardly urged into sealing engagement with a surface radially outwardly positioned of the sealing comprising: a body having tapered radially inwardly positioned surface configured to interact with a seperate frustoconical member in or to, in use, radially outwardly urge the body, and the body having a radially outwardly positioned recess opening radially outwardly; one or more backups extending radially outwardly from the body and tapering over a length thereof; the backups each extending at an angle to the body other than orthogonally, at least one of the one or more backups including an internal surface having a first section extending radially outwardly of the body at the first angle and the second section extending from the first section at a second angle, the first section extending into the recess and the second section extending further into the recess; and a sealing element disposed in the recess.