Invention Grant
- Patent Title: Method, forming and injection tool for manufacturing an aperture surrounding frame for an aircraft fuselage, and frame obtained thereof
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Application No.: US15343788Application Date: 2016-11-04
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Publication No.: US10293557B2Publication Date: 2019-05-21
- Inventor: David Alfonso Cerezo Arce , Melania Sanchez Perez , Alvaro Calero Casanova
- Applicant: Airbus Operations, S.L.
- Applicant Address: ES Madrid
- Assignee: Airbus Operations, S.L.
- Current Assignee: Airbus Operations, S.L.
- Current Assignee Address: ES Madrid
- Agency: Dickinson Wright PLLC
- Agent John S. Artz
- Priority: EP15382543 20151105
- Main IPC: B29C70/34
- IPC: B29C70/34 ; B29C33/42 ; B29C45/26 ; B29C70/48 ; B29C70/44 ; B29C70/46 ; B29C70/22 ; B64C1/14 ; B29K105/08 ; B29K307/04 ; B29L31/30 ; B29L31/00

Abstract:
The present disclosure refers to the manufacturing process of an aperture surrounding frame for an aircraft fuselage. The method includes providing a tubular braiding material (2) with a perimeter equal to the perimeter of the frame to be manufactured, cutting the tubular braiding material (2) to obtain annular-shaped braiding slices (3), providing an annular-shaped inner mold (4) where the annular-shaped inner mold has a surface with a desired shape for the aperture surrounding frame, layering up at least one braiding slice (3) around the inner mold (4), forming the at least one braiding slice (3) around the inner mold (4), and curing the aperture surrounding frame pre-form. The present disclosure also refers to an aperture surrounding frame (1) for an aircraft fuselage formed as a continuous body by at least one annular-shaped braiding slice (3) with a perimeter equal to the perimeter of the desired aperture surrounding frame.
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