Carter retention for turbojet fan

COVER RETENTION FORM OF AN ASSEMBLY WITH A CASE OUTSIDE 6 METAL AND INTERNAL TRIM 7 MATERIAL COMPOSITE CONCENTRIC, REMOVABLE, fretted AT LEAST PARTIALLY IN HOUSING. ALL THIS AT LEAST IN THE DIRECTION OF THE FLOW OF AIR VEIN ZONE THREE DIFFERENT RETENTION CHARACTERISTICS: AREA WITH A FIRST RING SEAL 8 BLADED SURROUNDING THE ROTOR, IN AN AREA SECOND B WHICH COVERS TRIM BELT RETENTION 12 C ZONE THIRD IN WHICH SEAL DEFINED THE WALL PAN EMPTY SPACE 20.