US9358733B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9358733-B2 |
| Application number | US-201214111662-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 29, 2012 |
| Priority date | Apr 12, 2011 |
| Publication date | Jun 7, 2016 |
| Grant date | Jun 7, 2016 |
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Official abstract text for this publication.
A method for the manufacture of a fiber composite component with at least one opening, which is edged by an integral collar, a device for the execution of a method of this type with a mold core, which has at least one convexity for the formation of a component section in the form of a bulge, also a fiber composite component with a multiplicity of openings, each of which is edged by an integral collar.
Opening claim text (preview).
The invention claimed is: 1. A method for the manufacture of at least one fibre composite component, comprising the steps: preparing a mould core with at least one convexity, arranging fibre material on the mould core to form a body of material, wherein a bulge-form body section is formed in the region of the convexity, impregnating the body of material with a resin, curing the resin to form a cured body of material, removing the cured body of material from the mould core, opening the bulge-form body section after removing the cured body of material from the mould core such that a hole is formed, while allowing an integral collar surrounding the hole to remain in position. 2. The method in accordance with claim 1 , wherein the step of preparing a mould core comprises preparing a symmetrical mould core with a multiplicity of convexities, on side faces of the mould core that are facing away from one another, the step of arranging fibre material on the mould core to form a body of material, comprises forming a bulge-form body section in the region of each of the convexities, the step of removing the cured body of material from the mould core comprises parting the cured body of material in the plane of symmetry of the mould core into two fibre composite components, and opening the bulge-form body sections in each fiber composite component to form holes, whilst allowing integral collars surrounding the respective holes to remain in position. 3. The method in accordance with claim 1 , wherein the fibre material is arranged in multiple layers on the mould core, and in regions between individual layers fibre structures with a separate fibre orientation are placed in position. 4. The method in accordance with claim 1 , wherein after the arrangement of the fibre material at least one of the convexities is reshaped in a direction opposite of that in which the convexity extends. 5. The method in accordance with claim 1 , wherein the step of arranging fibre material on the mold core comprises braiding continuous fibres around the mould core. 6. The method in accordance with claim 1 , wherein the step of arranging fibre material on the mold core comprises winding continuous fibres around the mould core.
the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends · CPC title
and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM] {, e.g. by vacuum} · CPC title
Perforating, cutting or machining during or after moulding · CPC title
including aperture · CPC title
Prepregs · CPC title
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