| 摘要 |
Method for the laying flat of materials in the form of flexible sheets taking the form of laps (A, B), especially for the purpose of carrying out the opening and reworking of stitched seams, said method involving, after the shaping of the two free edges of the sheets (D, E) joined by stitching (C), performing an ultrasonic reworking by the use of an ultrasonic sonotrode (10, 12), the frequency of which is selected so as to bring about a controlled heating of the two layers of fabric. <IMAGE> |
