TOSCANI, Federico,PIANTONI, Matteo,DUCHINI, Andrea,ROSANI, Marco
申请号：
IBIB2019/050379
公开号：
WO2019/150211A1
申请日:
2019.01.17
申请国别(地区):
IB
年份:
2019
代理人:
摘要：
An apparatus for forming an absorbent pad (100) for an absorbent sanitary article having at least one zone (Z1, Z2) free of absorbent material (103) and intended to define a respective channel (104, 105) of the pad (100)； the apparatus comprises a forming drum (2), a first feed system (4) for feeding a first web (NW1), a second feed system (5) for feeding a second web (NW2), at least one spreader (6) for spreading the absorbent material (103) on the forming drum (2)； a joining system (15) for joining the first and second webs (NW1, NW2) at least at the zones (Z1, Z2) free of absorbent material (103) to define the channels (104, 105) of the pad (100)； the apparatus (1) comprises a first dispenser (9) of a first adhesive substance (10), configured to create on the first web (NW1) a layer (110) of the first adhesive substance (10) according to a spreading pattern (M2) having zones (S1, S2) free of the first adhesive substance (10) corresponding to the zones (Z1, Z2) free of the absorbent material (103) and a second dispenser (11) for dispensing on the second web (NW2) a second adhesive substance (12), whose adhesive force is greater than the adhesive force of the first adhesive substance (10), and configured to spread the second adhesive substance (12) on the second web (NW2) according to a spreading pattern (M3) having at least one layer (112) of the second adhesive substance (12) intended to be placed at least at a respective zone (S1, S2) free of the first adhesive substance (10).L'invention concerne un appareil destiné à former un tampon absorbant (100) pour un article hygiénique absorbant ayant au moins une zone (Z1, Z2) exempte de matériau absorbant (103) et destinée à définir un canal respectif (104, 105) du tampon (100)； l'appareil comprend un tambour de mise en forme (2), un premier système d'alimentation (4) pour alimenter une première toile (NW1), un second système d'alimentation (5) pour alimenter une seconde toile (NW2), au moins un palonnier (6) pour étal
