SEAL WASHER Russian patent published in 2016 - IPC F16L5/02 H02G15/13 

FIELD: construction.

SUBSTANCE: group of inventions relates to construction and is used for sealing of pipes or cables passing through walls, housing or pipe. Seal washer has a circular pressure surface, which provides sealing contact with pipe or housing; at least one core, which is installed with possibility of removal to create a passage seat for wire; and at least one extending from pressure surface to core in radial direction through axial thickness of sealing washer slot, to be fitted in radial direction of wire. Slot is formed by means of limiting surfaces adjacent to each other along connecting profile. One of limiting surfaces of slot forms connection pocket, and other forms a connecting protrusion. Depth of pocket or height of protrusion in circumferential direction is approximately 1/5-1/3 of diameter of sealing washer. Around removed core there is concentrically arranged at least one removable sealing sleeve. Sleeve is connected to core through a bridge of possible destruction or rupture and has expanding and/or narrowing inner wall for sealing contact with wire.

EFFECT: sealing pipes or cables.

24 cl, 19 dwg