FIELD: machine building.
SUBSTANCE: sealing element includes a number of elements forming a clamping ring located at least on some part of the pipe periphery and equipped with the first projections and the second projections pressed inwards and/or outwards respectively, which protrude from surface of clamping ring. The first and the second projections respectively are equipped in the plane of those projections with the first projecting anchor teeth and the second projecting anchor teeth respectively. Flat sections are located between the first anchor teeth and /or the second anchor teeth. Manufacturing method of element of clamping ring is described.
EFFECT: invention improves the connection reliability.
2 cl, 11 dwg
