A resilient gasket

A.Device RESILIENT SEAL PLAYING BOTH A ROLE SEAL AND RETURN SPRING PISTON. B.CE DEVICE INCLUDES RING SEALING RING IN THE FIELD PLASTIC DEFORMABLE FLEXIBLE AND THRUST RING REAR 34 CORRESPONDENT, THE RING SEAL WITH A FRONT SIDE WILLING rADIALLY AND ESTABLISH THE SIDE HIGH PRESSURE ACROSS; PERIPHERAL SURFACE INNER RING SEAL BEING MADE THREE PARTIES ADJACENT 38, 40 AND 42 WITH DEFINED SLOPES.