US 11,850,130 B2
Apparatus and a method for manufacturing layered tapes, particularly for use in the manufacturing of sanitary products
Gabriele Sablone, San Giovanni Teatino (IT)
Assigned to Fameccanica.Data S.p.A., San Giovanni Teatino (IT)
Filed by Fameccanica.Data S.p.A., San Giovanni Teatino (IT)
Filed on Oct. 5, 2022, as Appl. No. 17/960,181.
Claims priority of application No. 21201138 (EP), filed on Oct. 6, 2021.
Prior Publication US 2023/0109228 A1, Apr. 6, 2023
Int. Cl. A61F 13/15 (2006.01); B32B 37/02 (2006.01)
CPC A61F 13/15764 (2013.01) [A61F 13/15699 (2013.01); B32B 37/02 (2013.01); A61F 2013/15861 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for manufacturing layered tapes comprising:
feeding a first layer in a machine direction, the first layer comprising paired first and second strips extending in the machine direction and arranged alongside one another in a cross direction transverse to the machine direction,
feeding a second layer in the machine direction, the second layer comprising paired third and fourth strips extending in the machine direction and arranged alongside one another in the cross direction,
applying the second layer onto the first layer, thereby defining a first stack comprising the first strip and the third strip, and a second stack comprising the second strip and the fourth strip, the first stack and the second stack are arranged alongside one another in the cross direction,
feeding a third layer in the machine direction, the third layer extending in the machine direction and extending in the cross direction to overlap one of the first stack and the second stack, and at least part of the other of the first stack and the second stack,
bonding the third layer to said one of the first stack and the second stack thereby defining a first layered tape, and taking away the first layered tape,
feeding a fourth layer in the machine direction, the fourth layer extending in the machine direction and extending in the cross direction to overlap the other of the first stack and the second stack,
bonding the fourth layer to the other of the first stack and the second stack, thereby defining a second layered tape, and taking away the second layered tape,
combining the first layered tape with the second layered tape so that the third layer of the first layered tape overlaps said other of the first stack and the second stack, and the fourth layer of the second layered tape overlaps said one of the first stack and the second stack. stack.