B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/74 (2006.01)
Patent
CA 2561687
A method and a device for cutting along a cutting line of a laminate (1), including a first (5) and a second (8) textile layer surrounding an intermediate layer (6) of a porous elastic material. The laminate (1) is pressed together in a local nip (2) between an ultrasound emitting element (3) and a counteracting element (4), and the laminate (1) is moved in the cutting line through and passed the nip during ultrasound cutting of the laminate (1) simultaneous with ultrasound welding of the first and the second surface layers to each other in order to form a smooth, rounded, continuous edge joint (11) between the surface layers at a free edge (10) of the laminate. The invention concerns also a cut product.
L'invention concerne un procédé et un dispositif de coupe d'un laminé (1) le long d'une ligne de coupe, comprenant une première (5) et une seconde (8) couche textile entourant une couche intermédiaire (6) faite d'un matériau élastique poreux. Le laminé (1) est comprimé dans un espace (2) entre un élément (3) d'émission d'ultrasons et un élément (4) de neutralisation, et le laminé (1) est déplacé dans l'espace sur la ligne de coupe au cours de la coupe par ultrasons du laminé (1), en même temps que le soudage par ultrasons de la première et de la seconde couche de surface, afin d'obtenir un joint d'extrémité lisse, continu et arrondi (11) entre les couches de surface au niveau d'un bord libre (10) du laminé. L'invention concerne également un produit coupé.
Fetherstonhaugh & Co.
Otto Bock Scandinavia Ab
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