Abstract: A system for making clipped thermoplastic yarns or filaments, such as chipped glass yarns, including at least a die co-operating with at least a cutting machine located in extension of each other. A mechanism sizes the yarns and/or filaments coming from the die. The system further includes at least one return mechanism and a floor. Further, a mechanism displaces and positions the cutting machine in at least two positions, the first position being beneath the floor and the second position being above the floor. A first opening is provided in the floor through which the cutting machine is moved.

Abstract: An assembly and associated method for cutting strands formed by thermoplastic filaments. The assembly includes a blade-holder wheel and an anvil-wheel rotating in reverse directions about two parallel axes, and at least a mechanism for actuating the wheels and for contacting a strand with the anvil wheel. The assembly further includes a mechanism oscillating the support of the wheels, whereof the axis of the support is parallel to the axis of the wheels, and an associated actuator. A mechanism for contacting the wheels is designed in particular to pinch the strand and the associated actuator for passing the strand between the blade-holder wheel and the anvil-wheel when the wheels are not in contact.

Abstract: The invention concerns an assembly for cutting strands formed by thermoplastic filaments, and comprising a blade-holder wheel (1) and an anvil-wheel (2) rotating in reverse direction about two parallel axes (x1, x2), at least means for actuating (B) said wheels and means (6) for contacting a strand with the anvil wheel (2). The invention is characterised in that it further comprises: means oscillating (3) the support of said wheels (1, 2) whereof the axis (x3) is parallel to the axis of said wheels and associated actuating means (A); means (C) for contacting said wheels; means (10) designed in particular to pinch said strand and associated actuating means for passing the strand between the blade-holder wheel (1) and the anvil-wheel (2) when said wheels are not in contact. The invention further concerns the associated method.

Abstract: The invention concerns a system for making clipped thermoplastic yarns, such as chipped glass yarns comprising at least a die (1) co-operating with at least a cutting machine (7) located in the extension of each other, means (3) for sizing the yarns (5) and/or filaments (2) coming from the die (1), at least one return means (4), a floor. The invention is characterised in that the system further comprises means (74) for displacing and positioning the cutting machine (7) in at least two positions: the first beneath said floor (9), the second above said floor (9), and a first opening (10) in the floor (9) through which the cutting machine (7) is moved.