| 摘要 |
Protection and undeceitful rigid patch for contraceptive sheath, having on its contour a flat flange (1) intended to be engaged under the winding bead (B) of the contraceptive sheath (P), said patch being arranged on the extremity and on the external side of the sheath. The flange (1) surrounds a portion of said patch which presents externally an overthickness with respect to the plane of the flange. Said overthickness is preferably comprised of a lateral bearing skirt (2) surrounding a convex bottom (3) which may be spherical. Application to all contraceptive sheathes. |
