-
公开(公告)号:US20210283866A1
公开(公告)日:2021-09-16
申请号:US16464223
申请日:2017-11-23
Applicant: Hexcel Holding GMBH
Inventor: Johannes MOSER , Andreas GABOR
Abstract: A mould for moulding materials, the mould comprising at least two corresponding mould elements (14, 16, 18, 20) moveable relative to one another towards and away from each other, the towards movement exerting pressure on a moulding material positioned within a cavity formed with the mould wherein upon the mould elements being in contact the mould cavity comprises a recess (120), the recess (120) being located beyond the edge of the moulding to allow escape of gas (12) during moulding.
-
公开(公告)号:US20220212424A1
公开(公告)日:2022-07-07
申请号:US17602095
申请日:2020-04-02
Applicant: Hexcel Composites Limited , Hexcel Holding GMBH , Hexcel Corporation
Inventor: Johannes MOSER , Yu-Chen HUNG , Erin REAGAN
Abstract: An assembly (113) for composite manufacture is provided. The assembly comprises a cured resin impregnated reinforcement material (112) comprising a fibre component and a resin matrix component, in which the resin matrix component comprises polyurethane, the assembly having a length to width ratio of at least 5:1, and the assembly defining a longitudinal direction (L) along its length; and a peel ply (116) in contact with the cured resin impregnated reinforcement material (112), the peel ply (116) comprising a woven layer having a plurality of longitudinal fibres (118) extending in the longitudinal direction (L); and a plurality of transverse fibres (120) extending in a transverse direction (T) normal to the longitudinal direction (L); in which the areal density of the plurality of transverse fibres (120) is higher than the areal density of the plurality of longitudinal fibres (118).
-