Device for sealing between a first part of elongate shape, which can move axially, such as a screw, and a second part through which it passes

摘要

This device comprises a cup 3 having a central opening 4 for the passage of the screw, made from a material which may be deformed under the effect of the pressure and is filled with a sealing product 7 capable, under the effect of the pressure and the deformation of the cup, of flowing out of the latter, the cup comprising bearing surfaces respectively on the screw or the like and on the part passed through, with openings made in the direction of the zones where the sealing product is to flow. Application to fixing accessory supports whose fixing zone must be sealed against liquids or against powdery products. IMAGE