Patent ID: 6079753
Filing Date: 2000-06-27
Classification: F01N,F16L

Abstract:
A flange structure which comprises:a plurality of joined flange segments each having two faces,each of said segments having a first inner surface shaped as a generally circular arc,said first inner surface having a first smooth surface segment extending in a direction generally perpendicular to said faces said first smooth surface segment being directly connected to a second smooth surface segment being tapered away from a central axis of said arc toward one of said faces,fastening means for fastening said flange segments together, said fastening means extending in a direction generally perpendicular to said central axis,at least one shim attached to said first inner surface, said at least one shim having a tab extending away from said inner surface in adirection generally perpendicular to said first smooth surface and having a second inner surface having essentially the same shape as said first smooth surface and said second surface segment,and means for attaching said flange structure to a substrate.