Patent ID: 7789397

Claim:
An annular, axial seal consisting of: a central section having of opposite ends, a first side and an opposite second side, said central section having a slight curve therein in accordance with a first, predetermined radius; a curled section contiguous with one of said ends of said central section, said curled section curling in a first direction to a distal end, said curled section curling in said first direction in accordance with a second predetermined radius and predetermined distance such that said distal end of said curled section is located across from said first side of said central section; wherein the ratio of said first, predetermined radius to said second, predetermined radius is greater than or equal to 1:1; an end portion contiguous with said opposite end of said central section such that said central section is between said end portion and said curled section, said end portion slightly curving in said first direction and having an end that does not directly face said distal end of said curled section; and said annular axial seal having a substantially uniform material thickness throughout the cross-section of said annular axial seal.