DEVICE FOR FORMING AND APPLYING AT LEAST ONE PAIR OF ACCESSORY ELEMENTS ON A CONTINUOUS BAND OF ABSORBENT MATERIAL AND MACHINE FOR MAKING ABSORBENT SANITARY ARTICLES COMPRISING THE DEVICE
Described is a device for forming and applying at least one pair of accessory elements to a continuous band (22) of absorbent material according to this invention, comprising a unit (10) for feeding a continuous strip (9) to a conveyor roller (11), a unit (12) for cutting the strip (9) in a continuous and alternating succession (13) of first (14) and second (15) pieces, a first (16) and a second (17) roller rotating about respective axes (B, C) parallel to the first direction (D1), each comprising movement means (26) acting along a circumferential direction around the respective axis (B, C) and configured for imparting to each unit a respective law of motion between a position for picking up the pieces (14, 15), located at the conveyor roller (11), and the position for releasing the pieces (14, 15) and means (39) of translating the unit (18, 19) acting along a direction (T1, T2) parallel to the first direction (D1). The device also comprises a unit (20) for applying a pair of pieces (14, 15) to the band (22) equipped with a separating unit (25) equipped with spacer means (62) configured for moving first (60) and/or second carriages (61 ) along a separating direction (F) between a close axial position and a far axial position, wherein the spacer means (62) comprise a plurality of linear actuators (63) each associated with a respective first carriage (60).La présente invention concerne un dispositif permettant de former et dappliquer au moins une paire déléments accessoires à une bande continue (22) de matériau absorbant selon cette invention, comprenant une unité (10) permettant dapprovisionner un rouleau (11) de transporteur en ruban (9) continu, une unité (12) permettant de couper le ruban (9) en une succession (13) continue et alternée dune première pièce (14) et dune seconde pièce (15), un premier rouleau (16) et un second rouleau (17) tournant autour daxes respectifs (B, C) parallèles à la première direction (D1), comprenant chacun un moyen de déplacement (26) a