Patent ID: 8623145
Filing Date: 2014-01-07
Classification: F16J,H01L

Abstract:
1. A seal for sealing an interface between a container and a lid of a process chamber, the seal comprising: a first seal element having a deflectable portion and a protrusion extending radially inwardly from the deflectable portion; and a second seal element having at least one sealing surface and a radially outwardly extending recess in which the protrusion of the first seal element is received, a radially inner surface of the protrusion abutting a radially inner surface of the recess; wherein the protrusion and recess interlock to restrict separation of the first and second seal elements; wherein the protrusion has an inclined surface that is radially coextensive with a major portion of the sealing surface and extends to a maximum axial extent of the protrusion; and wherein the at least one sealing surface is configured to pivot about a point located radially inwardly and outside of the second seal member when the seal is deflected.