Patent ID: 8328243

Claim:
A conduit coupling, comprising: a first conduit; an annular flange on an outer surface of the first conduit adjacent to an end of the first conduit; an annular adapter coupled to the outer surface of the first conduit, the adapter comprising a body including an annular first engagement surface positioned adjacent to the flange and an annular second engagement surface that is spherical and convex, the second engagement surface being spaced from and opposed to the first engagement surface; a second conduit comprising a flared end, the flared end having an inner surface comprising an adapter engagement surface that is spherical and concave, the adapter engagement surface being engageable with the second engagement surface, the flared end also comprising a clamp engagement surface; and a clamp comprising a flared end engagement surface that is engageable with the clamp engagement surface, the clamp being configured to urge the annular flange, the adapter, and the flared end together upon tightening the clamp, wherein the flared end engagement surface of the clamp is spherical and concave and wherein the clamp engagement surface of the flared end is spherical and convex.