Machine for making absorbent items

Details Machine for making absorbent items Machine for making absorbent items

B - Operations, Transporting

65

H

B65H 35/04 (2006.01) A61F 13/15 (2006.01) B65H 39/14 (2006.01)

Patent

CA 2729579

A machine for making absorbent items comprises a conveyor (9) for feeding a continuous strip (7) of absorbent items in a predetermined direction L, a cutting element (11) for cutting the strip into single absorbent items (2), a unit for feeding and applying to each stretch of the strip which will constitute a single absorbent item (2) a pair of fastening and closure elements (6) for the items, the unit (13) comprising a roller (18) for conveying a succession of pieces (15), intended to form the fastening elements (6), a separating device (22) consisting of a pair of rollers (20, 21) which are at a tangent to the conveyor roller (18) and equipped with suction seats (29, 30), able to slide parallel with their axes, for forming respective successions (32, 33) of pieces (15), which are spaced out in a direction T transversal to the direction L, by a stretch having a predetermined length, a roller (23) for forming pairs of pieces (15), which is at a tangent to both of the rollers (20, 21) and equipped with a first and a second ring of seats, each seat (34) of the first ring being axially aligned with a seat (35) of the second ring so as to form a succession of pairs of pieces (15) which are aligned according to the direction T, an accelerator roller (25) which is at a tangent to the roller (23) and to the feed conveyor (9) varies the pitch P of the pairs of pieces (15) according to the pitch P1 of the stretches of strip (7) intended to form the single absorbent items (2)

Machine de fabrication darticles absorbants, comportant un convoyeur (9) servant à faire avancer une bande continue (7) darticles absorbants dans une direction prédéterminée L, un élément (11) de découpe servant à découper la bande en articles absorbants distincts (2), une unité servant à amener et à appliquer sur chaque tronçon de bande appelé à constituer un article absorbant distinct (2) une paire déléments (6) de fixation et de fermeture des articles ; lunité (13) comportant un rouleau (18) destiné à convoyer une succession de pièces (15), appelées à former les éléments (6) de fixation, un dispositif (22) de séparation constitué dune paire de rouleaux (20, 21) tangents au rouleau convoyeur (18) et équipés de sièges (29, 30) à aspiration, capable de coulisser parallèlement à leurs axes, afin de former des successions respectives (32, 33) de pièces (15) espacées dans une direction T transversale à la direction L, par un tronçon de longueur prédéterminée, un rouleau (23) servant à former des paires de pièces (15), qui est tangent aux deux rouleaux (20, 21) et équipé dun premier et dun deuxième anneau de sièges, chaque siège (34) du premier anneau étant aligné axialement avec un siège (35) du deuxième anneau de façon à former une succession de paires de pièces (15) alignées suivant la direction T ; un rouleau accélérateur (25) tangent au rouleau (23) et au convoyeur (9) davance fait varier le pas P des paires de pièces (15) en fonction du pas Pl des tronçons de bande (7) appelés à former les articles absorbants distincts (2).

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