Patent ID: 8201832

Claim:
A system, comprising: a fluid seal having an annular seal body, comprising: an annular seal interface having one or more engagement portions; a first annular elastomer portion; a second annular elastomer portion; and a third annular elastomer portion, wherein the annular seal interface comprises the first, second, and third annular elastomer portions, wherein the first, second, and third annular elastomer portions have material properties that are different from one another, wherein the second annular elastomer portion comprises a U-shaped cross-section disposed in a first annular recess in the first annular elastomer portion, the third annular elastomer portion is disposed in a second annular recess in the second annular elastomer portion, and opposite ends of the U-shaped cross-section of the second annular elastomer portion are disposed along the seal interface on opposite sides of the third annular elastomer portion.