Patent ID: 11326634

Abstract:
A tubular structure is described herein comprising an elongate tubular member extending between a first end and a second end, wherein the tubular member comprises an inwardly tapered portion adjacent said first end, the inwardly tapered portion narrowing the tubular member in a longitudinal direction towards said first end. A nut is also provided internally of said tubular member at said inwardly tapered portion, said nut having an outer surface that is in contact an inner surface of said tubular member. An annular member is also provided externally of said tubular member at said inwardly tapered portion, said annular member having an inner surface that is in contact with said outer surface of said tapered portion. The inner surface of said tubular member at said inwardly tapered portion is tapered so as to extend at an angle that compliments an angle of the outer surface of said nut.