公开(公告)号：US11072127B2

公开(公告)日：2021-07-27

申请号：US16311934

申请日：2017-06-07

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Marco Arcidiacono ,  John Ellis ,  Benjamin Chau

IPC: B32B7/00 ,  B29C65/08 ,  B29C65/82 ,  B29C65/00 ,  B29C70/54

Abstract: Process for forming a permanent join between two sections of fibrous material contained in a thermosetting resin matrix, said process comprising overlaying the two sections and subjecting the overlaid sections to ultrasonic welding to form a permanent join between the two sections, wherein there is no significant change in the sub-ambient Tg of the fibrous material contained in the thermosetting resin matrix in the region of the permanent join.