Patent ID: 6540000
Filing Date: 2003-04-01
Classification: B29C,D04H,Y10T

Abstract:
Device for the deposition in contact of roving of pre-impregnated fibers, comprising a deposition head mounted on a digitally controlled machine comprising at least four axes of mobility, said deposition head being movable relative to a surface to be covered and comprising a deposition roller, means for supplying said roving to the deposition roller, arranged such that the roving remains constantly in contact with the deposition roller over a substantial portion of its peripheral surface, means for braking the roving and means for cutting the roving arranged to cut the roving downstream of the deposition roller in the direction of movement of the roving relative to the roller between the roller and said surface, wherein said deposition head further comprises means to press against the surface to be covered the portion of the deposited roving, at least at the two ends of the section of the roving and wherein said means for cutting the roving are constituted by a cutting member and an anvil, positioned on opposite sides of the roving in its portion extending between the deposition roller in the position spaced from the surface to be covered in the pressing position of the second end of the section of deposited roving, the portion of the cutting means interposed between the roving and the surface to be covered being retractable.