Patent ID: 9657877
Date: 2017-05-23
CPC Classifications: F16L,Y10T

Claim:
1. A coupling device for coupling to a fluid line, said coupling device comprising: a connector having an end portion configured for insertion into a tube end, said connector having an outer surface profile that comprises at least one protrusion at said end portion for engaging an inner surface of a tube when said end portion is inserted into the tube end; a sleeve configured for positioning at least partially around said connector and the tube end disposed at said end portion, wherein said sleeve comprises an inner surface profile that generally corresponds with said outer surface profile of said connector, wherein said sleeve comprises a threaded outer surface; a fastener for threadedly engaging said threaded outer surface of said sleeve, wherein, when said end portion of said connector is inserted into the tube end and said sleeve is positioned at least partially around said connector and tube end at said connector, and when said fastener is threaded onto said sleeve, said inner surface profile of said sleeve engages the tube at said end portion of said connector to substantially clamp around the tube at said connector; and at least one clamping element for enhancing clamping of said sleeve around the tube at said connector.