Importance

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Abstract

A sanitary fitting provides a fluid-tight seal between the fitting and the axial end of the tube coupled to the fitting, thereby eliminating crevices between the end of the tube and the sealing point of the fitting and consequent fluid accumulation and potential bacteria growth. The fitting preferably includes a body having a recessed outer end, an elastomeric seal disposed in the recess in the body, a gripping ring slidable into a stepped notch formed in the outer end of the body, and a locking mechanism which grips the tube and which draws the tube into a position in which its end sealingly engages the seal and causes the seal to sealingly engage an annular shoulder of the body. The gripping ring, body, and tube interact to provide very high retention forces permitting the fitting to withstand fluid pressures on the order of several thousand psi.

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First Claim