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    Lamination system and method using a plurality of static lamination heads
    94.
    发明授权
    Lamination system and method using a plurality of static lamination heads 有权

    公开(公告)号：US10994502B2

    公开(公告)日：2021-05-04

    申请号：US16862010

    申请日：2020-04-29

    Applicant: The Boeing Company

    Inventor： Andrew E. Modin ,  Darrell D. Jones ,  Kurtis S. Willden

    IPC: B29C70/38 ,  B29C70/54 ,  B32B38/00

    Abstract: A manufacturing system includes a plurality of lamination heads statically positioned in end-to-end relation to each other and defining a lamination station, and configured to dispense a layup material along a dispensing direction. The manufacturing system also includes a lamination surface movable underneath the lamination station. The lamination heads are configured to sequentially apply the layup material onto the lamination surface and onto previously applied layup material as the lamination surface passes through the lamination station to thereby form a composite laminate having a stack of composite plies arranged in a desired ply stacking sequence defined by positions of the lamination heads relative to each other within the lamination station.

    Method of producing a fibrous material pre-impregnated with thermoplastic polymer in a fluid bed
    98.
    发明授权
    Method of producing a fibrous material pre-impregnated with thermoplastic polymer in a fluid bed 有权

    公开(公告)号：US10974418B2

    公开(公告)日：2021-04-13

    申请号：US15118188

    申请日：2015-02-11

    Applicant: ARKEMA FRANCE

    Inventor： Patrice Gaillard ,  Gilles Hochstetter ,  Thibaut Savart

    IPC: B29B15/12 ,  B29C70/38 ,  B29C70/50 ,  B29K101/12 ,  B29K105/10

    Abstract: A method of producing a pre-impregnated fibrous material including a fibrous material of continuous fibres and a thermoplastic polymer matrix, wherein the pre-impregnated fibrous material is produced in a single unidirectional strip or in a plurality of parallel unidirectional strips, the method including the following steps: (i) impregnating the fibrous material in the form of a strand or a plurality of parallel strands with the thermoplastic polymer in the form of a powder in a fluid bed; and (ii) shaping the strand or parallel strands of the fibrous material impregnated as in step (i) by calendering by at least one heating calender in the form of a single unidirectional strip or of a plurality of parallel unidirectional strips, the heating calender, in the latter case, including a plurality of calendering grooves, and the pressure and/or a spacing between the rollers of the calender being regulated by an auxiliary system.

    Cutting mechanism with rotatable blades
    99.
    发明授权
    Cutting mechanism with rotatable blades 有权

    公开(公告)号：US10953613B2

    公开(公告)日：2021-03-23

    申请号：US16154082

    申请日：2018-10-08

    Applicant: ROLLS-ROYCE plc

    Inventor： Petar Zivkovic

    IPC: B29C70/00 ,  B26D7/00 ,  B29C70/54 ,  B26D7/26 ,  B29C70/38 ,  B26D1/09 ,  B26D1/01 ,  B26D7/06 ,  B29K63/00 ,  B29K307/04 ,  B29L31/08

    Abstract: A cutting mechanism for a composite material lay-up head comprises a plurality of blades, each blade having a variable width, and a drive mechanism to drive the blades along an axial direction to cut a respective tow of composite material. The blades are rotatable about the axial direction between a first angular position, wherein the blades sever the respective tow along a first cutting direction transversal to a longitudinal direction of the respective tow, and a second angular position, wherein the blades sever the respective tow along a second cutting direction rotated by a rotation angle to the first cutting direction.

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