Patent ID: 7017916

Claim:
A wear ring assembly for use within a positive pressure shaft seal, said wear ring assembly comprising: a first semi-annular structure, having two ends; a second semi-annular structure having two ends, wherein said first semi-annular structure and said second semi-annular structure are both comprised of a plurality of flat sections of metal stacked atop one another and joined together, and wherein said two ends of said first semi-annular structure and said two ends of said second semi-annular structure interconnect to form an annular wear ring structure, said annular wear ring structure having an annular face surface that has a first inside diameter, and a cylindrical wall extending behind said annular face surface that has a second inside diameter larger than said first inside diameter; and mechanical fasteners for fastening said first semi-annular structure and said second semi-annular structure together when forming said wear ring structure.