Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; {Production of reinforced objects} wherein the elements are reinforcing members the elements being stressed to form prestressed circumferential reinforcements
Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; {Production of reinforced objects} wherein the elements are reinforcing members the elements being stressed to form prestressed circumferential reinforcements