Patent ID: 8071005

Claim:
A method for the production of a casing ( 2 ) of a solid-propellant engine, the casing ( 2 ) comprising a core ( 10 ) and a layer ( 12 ) of elastomeric material set as coating for at least part of said core ( 10 ) to define a thermal protection of said core, the method comprising the steps of inserting said core ( 10 ) in a forming mould ( 19 ) so as to make within said forming mould two annular chambers ( 35 ) ( 41 ) separated from one another by said core, forming a strand ( 63 ) of said elastomeric material, cutting said strand ( 63 ) transversely in the presence of air, forming a portion ( 64 ) of elastomeric material, transferring said portion of elastomeric material within a transfer chamber ( 55 ), and injecting said portion of elastomeric material into said annular chambers.