Abstract: A hollow metallic sealing ring comprised in radial cross-section of pair of outwardly convex limbs contiguous with a loop formation having at least one straight sided loop, the limbs, from their junctions with the ends of the loop formation being of increasing radius towards their free ends which are straight and substantially parallel.
November 16, 1987
Date of Patent:
November 15, 1988
Michael J. C. Tozer, Specialist Sealing Limited