Patent ID: 7380837

Claim:
A sanitary hose fitting comprising: an elongated tubular stem; a ferrule; and an annular seal compressibly disposed between said stem and said ferrule; said stem comprising: a first end adapted to engage a corresponding fitting surface, a second end configured to engage the inner diameter of a hose, an intermediate section between said first and second ends, said intermediate section comprising a land formed on an outer surface thereof and sized to support said annular sealing member, said intermediate section further comprising external threads formed on said outer surface, and an axial bore through said stem, between said first and second ends of said stem; said ferrule comprising: a first end having an outer diameter and a first aperture sized to receive said second end of said stem, said first end of said ferrule configured to engage said annular sealing member when said ferrule is coupled to said stem, a second end having a second aperture sized to receive the end of the hose, and having a second outer diameter sized to be initially greater than said first outer diameter and subsequently deformed to be approximately equal to said first outer diameter during attachment of the fitting to the hose, and internal threads disposed on said first end of said ferrule and configured to engage said external threads on said stem to thereby threadably couple said stem and said ferrule; wherein said ferrule has a peripheral surface with a generally convex profile at said second end thereof, said annular seal residing axially between said land and said peripheral surface.