Patent ID: 7478838

Claim:
A fitting for sealingly engaging an inlet having an inner surface and a terminal end, the fitting comprising: an elongate mandrel having an axial bore couplable to a source of fluid; at least one resilient bushing disposed on said mandrel; a sealing member extending radially outwardly from said resilient bushing; the fitting having a first condition wherein said resilient bushing and at least a portion of said mandrel can be inserted within the inlet to position said sealing member in abutting relationship with the terminal end of the inlet, and having a second condition wherein said resilient bushing radially expands to sealingly engage the inner surface and said sealing member is axially compressed against the terminal end of the inlet; said mandrel retained within the inlet solely by said resilient bushing in said second condition, when fluid is admitted into the inlet through said axial bore.