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公开(公告)号：US20190176407A1
公开(公告)日：2019-06-13
申请号：US15834386
申请日：2017-12-07
Applicant: Bell Helicopter Textron Inc.
Inventor： Olivier Blanc
Abstract: A hollow tube assembly is constructed from two or more concave segments, each having longitudinal edges that are tapered perpendicular to the longitudinal direction of the assembly with substantially identical tapers. The respective tapered edges are joined at respective joining faces forming scarf joints, either with or without applying an adhesive between opposing joining faces. The overall thickness of the scarf joint may substantially correspond to the thickness of the segments. The scarf joints may be straight or arcuate. The segments may be constructed by overlaying layers of a composite material made of carbon fiber reinforced polymers and may be provided in pre-impregnated (prepreg) form.
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公开(公告)号：US20190291355A1
公开(公告)日：2019-09-26
申请号：US15935789
申请日：2018-03-26
Applicant: Bell Helicopter Textron Inc.
Inventor： Olivier Blanc
Abstract: A method is provided in one example embodiment and may include assembling a first component and a second component together using, at least in part, a first adhesive film on the first component and a second adhesive film on the second component, wherein the first component and the second component are fully cured and the first adhesive film and the second adhesive film are at least partially uncured; and curing the first adhesive film and the second adhesive film to form a bonded structure.
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