Patent 7350828 was granted and assigned to Swagelok on April, 2008 by the United States Patent and Trademark Office.
A tube fitting (50) that uses two basic components, namely a fitting body (54) and a fitting nut (52). The nut (52) and body (54) are adapted to be threadably coupled together by relative rotation therebetween. The nut (52) includes an integral tube gripping ring (80) that may be separable from the nut upon pull-up of the fitting. The tube gripping ring and nut (52) form a trepan in which a sealant (400) is disposed.