Seal and protective shield

摘要

A sealing device (11) for use in a sealing gland (14) in a first body to form a seal between the first body (15) and a second body (16). The sealing gland (14) has a bottom surface (58) and first (60A) and second (60B) side surfaces extending from the bottom surface (58). The sealing device (11) includes a seal body (13) having, when the seal body (13) is uncompressed and viewed in cross-section, a generally uppermost portion and a generally lowermost portion. The seal body (13) includes a first material (10) which is at least partially deformable. The first material (10) is generally disposed at least partially along the generally uppermost portion and at least partially along the generally lowermost portion thereof. The first material (10) contacts the bottom surface (58) of the sealing gland (14) when the seal body (13) is inserted into and at least partially disposed within the sealing gland (14). A second material is harder than the first material. The second material (12) is disposed generally along at least a portion of a lateral side of the seal body, when the seal body is viewed in cross-section, to form a shield. Wherein when the seal body (13) is positioned within the sealing gland (14) and is compressed the seal is formed between the first body (15) and the second body (16) by the first material (10) and an additional seal is formed by the shield (25) for extending the operational life of the sealing device (11) while preventing fluid flow between the first body (15) and the second body (16). <IMAGE>