公开(公告)号：US11832677B2

公开(公告)日：2023-12-05

申请号：US17742012

申请日：2022-05-11

申请人： Galvion Incorporated

发明人： Elaine Violet Craigie ,  Grzegorz Czeremuszkin ,  Vlad Lucuta ,  Thomas Moynihan ,  Mohamed Latreche ,  Enrick Gauthier

IPC分类号： B29C70/46 ,  A42C2/00 ,  B29C70/44 ,  B29L31/48

CPC分类号： A42C2/005 ,  B29C70/446 ,  B29C2791/002 ,  B29C2791/006 ,  B29L2031/4821

摘要： A system for forming a deep drawn helmet and method therefor are disclosed. The system includes a forming draw ring and a non-forming draw ring and supports a prepreg stack between a forming aperture of the forming draw ring and a non-forming aperture of the non-forming draw ring. The system clamps a flange portion of the prepreg stack between a contact surface of the forming draw ring and a contact surface of the non-forming draw ring, which forms a clamped assembly of the rings and the prepreg stack. The system then forms a deep drawn helmet preform from the prepreg stack of the clamped assembly. The same system or a different forming system then consolidates one or more of the preforms into a final deep drawn helmet. The system can control sliding of the flange during forming of the helmet preform without reducing the flange clamping force.

公开(公告)号：US20220361623A1

公开(公告)日：2022-11-17

申请号：US17742012

申请日：2022-05-11

申请人： Galvion Incorporated

发明人： Elaine Violet Craigie ,  Grzegorz Czeremuszkin ,  Vlad Lucuta ,  Thomas Moynihan ,  Mohamed Latreche ,  Enrick Gauthier

IPC分类号： A42C2/00 ,  B29C70/44

摘要： A system for forming a deep drawn helmet and method therefor are disclosed. The system includes a forming draw ring and a non-forming draw ring and supports a prepreg stack between a forming aperture of the forming draw ring and a non-forming aperture of the non-forming draw ring. The system clamps a flange portion of the prepreg stack between a contact surface of the forming draw ring and a contact surface of the non-forming draw ring, which forms a clamped assembly of the rings and the prepreg stack. The system then forms a deep drawn helmet preform from the prepreg stack of the clamped assembly. The same system or a different forming system then consolidates one or more of the preforms into a final deep drawn helmet. The system can control sliding of the flange during forming of the helmet preform without reducing the flange clamping force.