公开(公告)号：US20170225411A1

公开(公告)日：2017-08-10

申请号：US15502515

申请日：2015-08-24

Applicant: Hexcel Composites SAS

Inventor： Denis Granger ,  Jeanne Clouteau

IPC: B29C70/54 ,  B29C70/50

Abstract: A method of separating a composite material stack comprising multiple elements (12) in contact with one another is discloses. Each element (12) comprises reinforcement fibers and an uncured resin matrix, and the method comprises the steps of temperature treating the stack and/or applying a stress to the stack to separate the elements.

公开(公告)号：US20170239894A1

公开(公告)日：2017-08-24

申请号：US15503784

申请日：2015-08-18

Applicant: Hexcel Composites SAS ,  Hexcel Composites Limited

Inventor： Denis Granger ,  Chris Harrington ,  Asher Ahmed ,  Joseph Gargiuli

IPC: B29C70/22 ,  B29C65/56 ,  F16B39/02 ,  B29C65/00 ,  F16B5/02 ,  B29C65/48 ,  B29C65/72

CPC classification number: B29C70/228 ,  B29C65/48 ,  B29C65/483 ,  B29C65/561 ,  B29C65/562 ,  B29C65/72 ,  B29C66/03 ,  B29C66/034 ,  B29C66/1122 ,  B29C66/71 ,  B29C66/721 ,  B29C66/7212 ,  B29C66/72141 ,  B29C66/72143 ,  B29C66/73111 ,  B29C66/73755 ,  B29C66/73756 ,  B29C66/7392 ,  B29C66/7394 ,  B29C66/91951 ,  B29C66/9534 ,  B29C66/9592 ,  B29C70/545 ,  B29L2031/30 ,  B29L2031/3076 ,  B29L2031/3085 ,  B29L2031/44 ,  F16B5/0241 ,  F16B39/021 ,  B29K2063/00 ,  B29K2307/04 ,  B29K2309/08 ,  B29K2277/10

Abstract: Mechanically attaching articles made from composites has problems due to the difference in properties of the composite in the x, y planar direction and the z perpendicular direction, this results in different properties between the composite and the attachment member such as differences in coefficients of thermal expansion which can weaken the joint further leading to differences in moisture uptake which can further reduce the strength and robustness of the joint. The invention relates to the selection of the position of a joint in order to reduce such problems and to operating the moulding process in a way that improves the provision of mechanical attachments such as bolt holes.

公开(公告)号：US10800116B2

公开(公告)日：2020-10-13

申请号：US15502515

申请日：2015-08-24

Applicant: Hexcel Composites SAS

Inventor： Denis Granger ,  Jeanne Clouteau

IPC: B29C70/54 ,  B29C70/50 ,  B29B13/04 ,  B29C35/16

Abstract: A method of separating a composite material stack comprising multiple elements (12) in contact with one another is discloses. Each element (12) comprises reinforcement fibers and an uncured resin matrix, and the method comprises the steps of temperature treating the stack and/or applying a stress to the stack to separate the elements.