Patent ID: 6264207
Filing Date: 2001-07-24
Classification: F16J,F16L

Abstract:
A seal for insertion in a joint between components which define a higher pressure space and a lower pressure space comprising: a seal body (1) having a sealing section (16) and a leading in section (4) inserting said seal body into said joint, said sealing section comprising a latticework structure having first struts (6), second struts (7), and cavities between said first and second struts. Said first struts (6) being arranged to form pressure struts when said seal is inserted into said joint, and said second struts (7) being arranged to form drag struts when said first struts (6) yield under compressive loads; said seal body (1) being formed by co-extrusion of a relatively harder elastomeric substance, and a relatively softer elastomeric substance to form respectively, an edge region (1a), and a core region (1b).