MOULDED SEAL Russian patent published in 2009 - IPC F16J15/00 

FIELD: machine building.

SUBSTANCE: present invention pertains to sealing techniques. The sealing ring is made in form of an annular closed figure. The normal cross-section of the sealing ring is on the butt end side with rectangular sections, on which there are rounded projections with different height from the ends, arranged oxygonally, and two oppositely lying oxygonally arranged rounded projections with different height, joined to the above mentioned projections as well as linearly arranged sections with radius mating. The closed section of the sealing ring is a multi-varying section of a bigger window and a section of a smaller window, mated by the inner perpendicular surface. The outer contour of the section of the sealing ring has matching curvatures.

EFFECT: increased sealing reliability.

3 dwg