Patent ID: 7011344
Filing Date: 2006-03-14
Classification: E21B,F16L

Abstract:
1. A connector for connecting the end portion of a pipe, a pipeline, a pipe string or coiled tubing, wherein the connector is formed or provided with at least one connecting device for equipment/tools, the said connector comprising parts that can be screwed together and have aligned bores for the accommodation of said pipe end portion, which is to be secured in the connector in the screwed-together condition of the parts, said connector further comprising a radially inner transversally shrinkable adapter sleeve, which is to bear, in a connected position, at its inner circumferential surface in a clamping manner against the outer jacket surface of the pipe end portion, characterized in that the adapter sleeve exhibits an external, conically extending threaded jacket surface, which cooperates with a surrounding outer adapter and connector sleeve with an internal, conically extending threaded circumferential surface, said outer adapter and connector sleeve having a second internal threaded surface, spaced in a direction along the longitudinal axis of the pipe end portion from said internal conically extending threaded circumferential surface, and cooperating with a threaded jacket portion of a socket-like connecting element formed on an end piece of the connecting device, wherein at the end located the farthest from said end piece with the socket-like connecting element, the outer adapter and connector sleeve is formed with an inward annular flange defining a sleeve bore section of a diameter generally corresponding to the outer diameter of the pipe.